Source: https://patents.google.com/patent/CN103797391B/en
Timestamp: 2020-01-20 14:22:08
Document Index: 447362325

Matched Legal Cases: ['art 42', 'art 44', 'art 42', 'art 44', 'art 42', 'art 42', 'art 44', 'art 42', 'art 42', 'art 44', 'art 42', 'art 44', 'art 42', 'art 142', 'art 144', 'art 142', 'art 144', 'art 142', 'art 144', 'art 142', 'art 144', 'art 144', 'art 142', 'art 144', 'art 142', 'art 142', 'art 142', 'art 142', 'art 142', 'art 142', 'art 142', 'art 142', 'art 142', 'art 144', 'art 144', 'art 142', 'art 144', 'art 142', 'art 134', 'art 142', 'art 144', 'art 142', 'art 142', 'art 144', 'art 144', 'art 144', 'art 142', 'art 144', 'art 142', 'art.\n4', 'art.\n10']

CN103797391B - Use the translated lens frame assembly of boring material discharge region and merge the optical conenctor of described lens mount assembly - Google Patents
Use the translated lens frame assembly of boring material discharge region and merge the optical conenctor of described lens mount assembly Download PDF
CN103797391B
CN103797391B CN201280043490.2A CN201280043490A CN103797391B CN 103797391 B CN103797391 B CN 103797391B CN 201280043490 A CN201280043490 A CN 201280043490A CN 103797391 B CN103797391 B CN 103797391B
CN201280043490.2A
CN103797391A (en
迈克尔·德容
迈卡·C·艾森豪尔
丹尼斯·M·克内克特
詹姆斯·P·卢瑟
2011-09-13 Priority to US61/533,986 priority
2011-12-09 Priority to US61/568,951 priority
2012-09-07 Application filed by 康宁光电通信有限责任公司 filed Critical 康宁光电通信有限责任公司
2014-05-14 Publication of CN103797391A publication Critical patent/CN103797391A/en
2016-09-28 Publication of CN103797391B publication Critical patent/CN103797391B/en
The translated lens frame assembly using boring material discharge region disclosed herein and use the optical conenctor of described lens mount assembly.In one embodiment, lens mount assembly includes that lens mount main body, described lens mount main body have: inserting face；The the first forward slip part being placed on the first side of lens mount main body and first slides backward part；And the second forward slip part and second being placed on the second side of lens mount main body slides backward part.First forward slip part is slided backward with first by the first boring material discharge region and is partially separated, and the second forward slip part is slided backward with second by the second boring material discharge region and is partially separated.In one embodiment, lens mount assembly farther includes at least one the groove alignment feature structure being placed in lens mount main body, and described groove alignment feature structure is configured to support at least one grin lens.
Use the translated lens frame assembly of boring material discharge region and merge described lens mount assembly Optical conenctor
Subject application asks entitled " Gradient Index (GRIN) filed in December in 2011 9 days according to Patent Law Lens Holders Employing Groove Alignment Feature(s)In Recessed Cover And Single Piece Components Connectors, and Methods " U.S. Provisional Patent Application case the 61/568th, Entitled " Connector With Pin Aligned Translation Optical filed in No. 951 and JIUYUE in 2011 13 days Interface " the priority right of U.S. Provisional Patent Application case, the content of described application case is relied on by this case and entirely Portion is incorporated herein by reference.
The technology of disclosure case relates to lens mount assembly, and described lens mount assembly is configured to support graded index (gradient index;GRIN) lens, wherein lens mount assembly can be used in plug, socket etc. to promote that optics connects.
The benefit of optical fiber includes the widest bandwidth and low operation noise.Due to described advantage, along with end user requirements more Many bandwidth, optical fiber is increasingly being used for various application, includes, but is not limited to broadband voice, video and data transmission.Make Transmit in order to transmit voice, video and data by dedicated network and public network to user with the fiber optic network of optical fiber.Along with Fiber optic cables assembly starts to allow higher data transmission bauds between electronic installation in consumer electronic product is applied, Recognize the limitation that conventional telecommunications cable assembly designs.Although telecommunication optical fiber network usually includes the junction point separated, described Junction point link optical fiber is to use cable assembly to provide the " field optical fibers (live from a junction point to another junction point Fiber) ", but for the demand of consumption-orientation application cable assembly and differ widely for the environment of described assembly.This point is come Saying, fiber plant is positioned at data distribution center, central office or supports other pure environment of optical fiber interconnections, described optical fiber interconnections Generally will not as consumer electronic product application would be required to experience substantial amounts of inserting number of times.Additionally, communication cable assembly For high-precision product, described product generally avoids being affected by dust, residue etc.；And consumer electronics will need commonly Operation in environment, in described conventional environment, exposure to dust and residue will be common phenomenon.
For example, the conventional fiber optic connectors for telecommunications uses many core sleeve with flat end, to promote to prop up The joints of optical fibre of support set pipe and other joints of optical fibre or there is the multiple direct optical fiber between other devices that optics is connected Connect to optical fiber.For this puts, it is important that fiber optic connector design is the end face quilt of optical fiber allowing to be placed in sleeve pipe It is placed as being connected with optics or other optical fiber contact or tight spacing, for optical transport.Described tradition for telecommunications application Multi-fiber connector needs to be used for the time-consuming manufacturing process of the precision surface of direct fiber-to-fiber inserting for preparation.Citing For, in order to maintain the close alignment of the optical fiber between adapter, make optic fibre extension exceed inserting end face at optical fiber through fastening After, remove excess fiber by cut, and use grinding agent to mechanically polish remaining prominent optical fiber, to obtain, there is height The accurate end face of degree planar array.When described adapter is through inserting, the end contact of optical fiber is provided across the low of optical interface Loss, but need precise polished to obtain the inserting geometry of described type.Described high accuracy polishing cost is high and difficult, Because described polishing is time-consuming and needs for polishing the equipment with multiple manufacturing steps and consumable goods.Additionally, described type Structure is not to be especially suitable for the application of desired consumption type device by a large amount of inserting number of times of experience.Therefore, it is used for manufacturing cable assembly Conventional construction and method be not suitable for the cable assembly for consumer devices due to described reason and other reasons.
The open joints of optical fibre with lens mount, to promote that optics connects for the optical signal transmission between device.Citing For, optical fiber can be optically connected to another Optical devices (such as light emitting diode (LED), laser diode or electrooptical device) For light/signal transmission.As another example, if it is desired, optical fiber can be optically connected with by the inserting joints of optical fibre To other optical fiber.Under either case in the described situation, it is important that optics connect end face and the Optical devices of optical fiber or its He aligns with the coupling loss avoiding or reducing signal by optical-fibre precise.For example, fiber placing is through lens mount main body Part, described part makes optical fiber be precisely oriented about optical fiber lens.
Graded index (GRIN) lens provide the precise polished replacement in adapter based on telecommunications, described Adapter has fiber-to-fiber inserting.Grin lens passes through the refractive index of lens material from the optical axial of lens to edge Precise controlled radial variations makes light focus on.The internal structure of described refractive index gradient can drastically reduce the need to high accuracy polishing Seek and produce simple micro objective.Described situation allow to have the grin lens calibration of the flat surfaces light from fibre optical transmission or By in incident beam focus to optical fiber.Grin lens can provide with the form of Glass rod, and described Glass rod is placed in lens mount Part as the joints of optical fibre.The flat surfaces of grin lens allows an end easily to engage or be fused to be placed in light Optical fiber within fiber connector, wherein the other end of grin lens is placed in box face.Putting down on the end face of grin lens Deviation can be reduced in smooth surface, because end face can be finished to smooth slightly inserting with the end face relative to sleeve pipe.Grin lens Flat surfaces allows easily to be cleaned the end face of grin lens by terminal use, and this is favourable, because assembly must be subjected to greatly Amount inserting/pull out number of times.It is essential that lens mount assembly is designed with internal stent, grin lens is placed by described internal stent And fasten as aliging with required angular accuracy (that is, tilting), to avoid or to reduce coupling loss.
Embodiments disclosed herein includes the translation graded index using one or more groove alignment feature structure (GRIN) lens mount.The limiting examples of described optical conenctor includes plug and socket.In one embodiment, lens Frame assembly contains one or more interior grooves alignment feature structure, and described Characteristic Structure Configuration is by tight for one or more grin lens Gu in lens mount assembly.Groove alignment feature structure is additionally configured to exactly with quick, simple and reliable way alignment The end face of grin lens is applied for consumption-orientation.In plug embodiment, translated lens frame assembly comprises slipper, institute Stating slipper makes lens mount assembly can translate on alignment pin in connector shell.Slipper is by boring discharge District separates, and described boring material discharge region promotes cleaning pin and vat waste is (such as, in the benign locations relative to lens mount assembly Liquid, dust etc.).Lens mount assembly disclosed herein can be provided for forming ferrule and/or the optical fiber that optics connects Assembly or the part of adapter.Lens mount assembly can have overall structure or according to concepts disclosed herein have cover cap (as Fruit needs).The joints of optical fibre containing lens mount assembly disclosed herein can be optically connected in another joints of optical fibre One or more optical fiber or be connected to Optical devices for optical transport, described Optical devices such as laser emitting diode (laser-emitting diode;LED), laser diode, vertical cavity surface emitting laser (vertical-cavity surface-emitting laser;Or electrooptical device VCSEL).
For this puts, in one embodiment, lens mount assembly includes lens mount main body, and described lens mount main body has Have: inserting face；The the first forward slip part being placed on the first side of lens mount main body and first slides backward part；With And the second forward slip part and second being placed on the second side of lens mount main body slides backward part.First to advancing slip Dynamic part is with first to slide backward part longitudinally-aligned, so that the first forward slip part is by the first boring material discharge region and the One slides backward and is partially separated；And the second forward slip part is with second to slide backward part longitudinally-aligned, so that second Forward slip part is slided backward with second by the second boring material discharge region and is partially separated.At least one optical module is positioned at slotting Join at face and be configured to be optically coupled to the optical module of inserting.
In another embodiment, optical conenctor includes connector shell, lens mount main body, the first alignment pin and Two alignment pins.Lens mount main body includes inserting face, at least one optical module in lens mount main body, the first forward slip portion Point, the second forward slip part, first slide backward part and second slide backward part.First forward slip part and first Slide backward part longitudinally-aligned, so that the first forward slip part slides backward portion by the first boring material discharge region and first Separate.Second forward slip part is with second to slide backward part longitudinally-aligned, so that the second forward slip part is passed through Second boring material discharge region slides backward with second and is partially separated.At least one optical module is optically coupled to inserting face.First Alignment pin is placed in the first forward slip part and first and slides backward in part, and the second alignment pin is placed in second forward Slipper and second slide backward part in so that lens mount main body on the first alignment pin and the second alignment pin along optics The optical axial longitudinal translation of adapter.
In another embodiment again, optical conenctor include connector shell, lens mount assembly, the first alignment pin, Two alignment pins and recessed cover cap.Lens mount main body include inserting face, internal chamber, the recessed base plate being placed in internal chamber, The the first forward slip part being placed on the first side of recessed base plate and first slides backward part and is placed in the recessed end The second forward slip part and second on second side of plate slides backward part.First forward slip part is with first backward Slipper is longitudinally-aligned, so that the first forward slip part slides backward part point by the first boring material discharge region with first From.Second forward slip part is with second to slide backward part longitudinally-aligned, so that the second forward slip part is by second Boring material discharge region slides backward with second and is partially separated.At least one groove alignment feature structural arrangement is in lens mount main body In the recessed base plate of portion's chamber.At least one groove alignment feature structure is configured to support at least be placed in internal chamber At least one end section of individual grin lens at least one grin lens of substantial alignment and inserting face.Recessed cover cap disposes In internal chamber between the first forward slip part and the second forward slip part of lens mount main body and between One slides backward part and second slides backward between part.Certainly, it is noted that if it is required, the concept of boring material discharge region can be only Stand on recessed cover cap concept or other feature structures use.First alignment pin is placed in the first forward slip part and first backward In slipper, and the second alignment pin is placed in the second forward slip part and second and slides backward in part, so that thoroughly Mirror holder assembly on the first alignment pin and the second alignment pin along the optical axial longitudinal translation of optical conenctor.
Other feature structures and advantage will be illustrated in detailed description subsequently, and to those skilled in the art Speech, other feature structures and advantage are prone to described in basis be described in a way it is clear that or (included herein by practice Detailed description of the invention subsequently, claims and accompanying drawing explanation) described by embodiment recognize.
Should be understood that above-mentioned general description and all show embodiment with the following specifically describes, and aim to provide for understanding The essence of disclosure case and the general introduction of characteristic or framework.It is further appreciated by provide including accompanying drawing, and accompanying drawing is incorporated to this explanation In book and constitute the part of this specification.The various embodiment of graphic explanation, and it is used for explaining disclosed together with the description The principle of concept and operation.
Fig. 1 is the front perspective view of the lens mount assembly with a pair boring material discharge region；
Fig. 2 A is the front perspective view of the optical conenctor being configured to plug, and described optical conenctor has at connector shell In lens mount assembly；
Fig. 2 B is the exploded front perspective view of the plug of Fig. 2 A；
Fig. 2 C is the decomposition close-up view of the lens mount assembly of the plug of Fig. 2 A；
Fig. 3 is the front perspective view of socket connector, and described socket connector has grin lens frame and is configured to and Fig. 2 A Optical conenctor inserting；
Fig. 4 A is the plug partial sectional perspective view close to the socket connector of Fig. 3 of Fig. 2 A；
Fig. 4 B is the partial sectional perspective view that the plug of Fig. 2 A and the socket connector of Fig. 3 form initial contact；
Fig. 4 C is the partial sectional perspective view that the plug of Fig. 2 A is at a fully engaged with the socket connector of Fig. 3；
Fig. 5 is the decomposition close-up view of another lens mount assembly, and described lens mount assembly has and is placed between slipper Optional cleaning element；
Fig. 6 is the part close-up view of the boring of lens mount assembly, and described boring has optional molding circumference；
Fig. 7 A is the partial cross sectional views of the optical conenctor according to one or more embodiment shown and described herein, Described optical conenctor comprises grin lens array, and described lens arra is couple to fiber array；And
Fig. 7 B is the cut-away section close-up view of the optical conenctor of indicative icon in Fig. 7 A.
Now with detailed reference to embodiment, the example of described embodiment is illustrated in the accompanying drawings, schemes in the accompanying drawings Show some embodiments and not all embodiments.It is true that concept can embody in many different forms and the most not Should be interpreted restrictive；On the contrary, it is provided that described embodiment is so that disclosure case will meet the legal requiremnt being suitable for.? In the case of Ke Neng, represent identical assembly or part by using similar elements symbol.
Embodiment disclosed herein includes lens mount assembly and the optical conenctor using boring material discharge region.Adapter Limiting examples includes plug, socket etc..It is right in one or more in the enclosure that lens mount assembly described herein is configured to The upper translation of neat pin.In one embodiment, lens mount assembly contains one or more interior grooves alignment feature structure, described spy Levy structure to be configured to be fastened in lens mount assembly one or more graded index (GRIN) lens.Groove alignment feature structure Be additionally configured to the end face accurate alignment of grin lens in lens mount, in order to internal with fiber alignment and outside with give Device aligns.In another embodiment, lens mount assembly comprises one or more refractor, for by lens mount assembly light Learn the adapter being couple to inserting.
Lens mount assembly comprises slipper pair, and each of described slipper centering is separated by boring material discharge region. Slipper is configured to accommodate alignment pin, so that lens mount assembly can translate in the connector shell of optical conenctor.Just For described layout, boring material discharge region can provide less contact surface area between lens mount assembly and alignment pin, thus Friction between the described element of littleization.Boring material discharge region provides the cleaning to alignment pin also by wiping after inserting/pull out And the benign locations that bad residue (such as, can enter the liquid of connector shell, dust etc.) is between slipper is heavy Long-pending.It addition, boring material discharge region makes the boring of lens mount assembly to coordinate with one or more optional sleeve, to reduce lens mount Friction between assembly and alignment pin (the need to).
Lens mount assembly disclosed herein can be provided for formed optics connect ferrule and/or optical fiber component or The part of adapter.The joints of optical fibre containing lens mount assembly disclosed herein can be optically connected to another joints of optical fibre In one or more optical fiber or be connected to Optical devices for optical transport, described Optical devices such as laser emitting diode (LED), laser diode, vertical cavity surface emitting laser (VCSEL) or electrooptical device.As limiting examples, institute herein Disclosed lens mount assembly can be provided for setting up the plug containing one or more optical fiber or the part of socket that optics connects.
For this puts, Fig. 1 is the illustrative lens mount assembly 10 used according to adapter concept disclosed herein Perspective view.As described below, lens mount assembly 10 can be for transmitting the connection of the optics of optical signalling between coupling device The translation assembly of device.Lens mount assembly 10 generally comprises the lens mount main body 40 with inserting face 16.One or more optical module 50 are positioned at inserting face place and are couple to optical fiber 20 in lens mount main body 40.Optical module 50 in embodiment illustrated is Refractor, described refractor is configured to the optical signalling that refraction is propagated in optical fiber 20, so that optical signalling is suitably Received by the optical module of inserting adapter.Refractor 50 can be one or more single group held by lens mount main body 40 Part, or it is integrated into the black box in lens mount main body 40, so that lens mount main body 40 and one or more refractor 50 are Single component (such as, refractor and lens mount main body can use same mould to be formed during molding process).Briefly, Refractor is moldable to the independent lens that in lens mount assembly can be maybe attachment.In other embodiments, lens mount main body Can be formed by more than single-piece, as discussed herein.Optical module can use various forms, and GRIN the most described below is saturating Mirror, waveguide, fiber optic tap and can carry out the optical signalling coupling from the optical module of the adapter of optical fiber 20 to inserting appoint What optical module.
The lens mount main body 40 of illustrated embodiment includes two slippers pair with boring, and described boring is configured to Accommodate the first alignment pin 32A and the second alignment pin 32B.First slipper has boring to by the first forward slip part 42A( 43A) He the first slides backward part 44A(has boring 45A) define, described slipper is divided by the first boring material discharge region 48A From.Second slipper has boring 43B to by the second forward slip part 42B() and second slide backward part 44B(and have Boring 45B) define, described slipper is separated by the second boring material discharge region 48B.First forward slip part 42A and first to Rear slipper 44A is longitudinally-aligned to receive alignment pin.Equally, the second forward slip part 42B and second slides backward part 44B is longitudinally-aligned.The front surface of the first forward slip part 42A and the second forward slip part 42B defines the portion in inserting face 16 Point.First boring material discharge region 48A and the region that the second boring material discharge region 48B is lens mount main body 40, in this region, remove Material is so that the first alignment pin 32A and the second alignment pin 32B exposes and not by lens mount main body in described region or district 40 close.The material that removes reduces frictional force and by wiping during inserting as discussed herein/pull out lens mount main body Cleaning is provided.
Boring 43A, 43B, 45A, 45B are set size and are configured to accommodate the first alignment pin 32A and the second alignment pin 32B.The diameter of boring 43A, 43B, 45A, 45B should make the inner periphery of boring 43A, 43B, 45A, 45B contact the first alignment pin 32A and the second alignment pin 32B.
First boring material discharge region 48A and the second boring material discharge region 48B allows at lens mount assembly 10 in connector shell (example As in Fig. 2 A, Fig. 2 B diagram connector shell 115) in along x-axis translate time clean hole 43A, 43B, 45A, 45B and first Alignment pin 32A and the second alignment pin 32B.May have been enter into the residue (such as, liquid, dust etc.) of connector shell can discharge with Slide backward between part 44A (that is, at the first boring material discharge region 48A in the first forward slip part 42A and first the most respectively In) and slide backward between part 44B (that is, in the second boring material discharge region 48B) in the second forward slip part 42B and second The first alignment pin 32A and the second alignment pin 32B on gather.In other words, the first boring material discharge region 48A and the second boring discharge District 48B can prevent residue in boring 43A, 43B, 45A, 45B inner accumulated.Residue is described in boring 43A, 43B, 45A, 45B Accumulation may translate and also may suppress optical module 50(such as by suppression lens mount assembly 10 in connector shell, refraction Lens subassembly) with the lens of the optical conenctor of inserting or optical module optical alignment.
Fig. 2 A is the perspective view of the Exemplary optical adapter of the assembling using lens mount assembly, and described lens mount assembly is joined Being set to supports and align is used as the grin lens of optical module so that optical signalling is through lens mount assembly.In present embodiment Optical conenctor provides with the form of plug 110, and described plug 110 is the assembly of optical cable assembly 100.For example, plug 110 Can be that optical fiber connects plug, described optical fiber connects plug and supports that optical module is set up optics by optical cable assembly 100 and connected and logical Letter.Or, as limiting examples, plug 110 may also include the electric component being placed in plug 110 and electrically connects to set up Connect.Should be understood that embodiment is not limited in Fig. 2 A the configuration of the example socket 110 of diagram, and be merely disclosed concept Explanation.
More specifically, plug 110 generally comprises connector body 130, and described connector body 130 has from adapter The connector shell 115 that the front surface 111 of main body 130 extends.Plug 110 comprises the optical fiber being placed in cable 122 further 120, described cable 122 is fastened to connector body 130.Connector shell 115 defines and can be inserted into socket 170(Fig. 4 A to Fig. 4 C) Plug portion, described socket 170 can be merged in compensation device for optical communication.Shown connector shell 115 comprises Optional engagement feature structure 113A, 113B, described Characteristic Structure Configuration is the inserting engagement spy of engagement socket connector shell 172 Levy structure 175A, 175B, referring below to described by Fig. 3.
Connector shell 115 defines optical conenctor opening 121, and described opening exposes lens mount assembly 101, described lens Frame assembly 101 maintains in the housing in connector shell 115.As illustrated in Fig. 4 A to Fig. 4 C, particular implementation saturating Mirror holder assembly 101 is configured to when with complimentary socket inserting in connector shell 115 along x-axis (that is, the optic axis of plug 110 Line) translation.Referring still to Fig. 2 A, shown lens mount assembly 101 comprises the lens mount main body 140 with inserting face 116, and thoroughly Mirror holder assembly 101 be configured with open recess with at lens mount main body 140 or lower section receive recessed cover cap 102, to seal arrangement Internal chamber (not shown) in lens mount main body 140.Optical module (such as grin lens 118 etc.) is placed in internal chamber In be in groove alignment feature structure 150, so that optical module is alignd with the inserting face 116 of lens mount main body 140.Although this The described embodiment of literary composition describes grin lens in detail, but other optical modules can be placed in lens mount assembly 101, and such as optical fiber is taken out Head and waveguide.
Grin lens 118 is become from the precise controlled radial direction of the optical axial of lens to edge by the refractive index of lens material Changing makes light focus on.The internal structure of described refractive index gradient can drastically reduce the demand to carefully controlled surface curvature and produce Simple micro objective.Described situation allows the grin lens 118 with flat surfaces calibrate the light launched from optical fiber 120 or incite somebody to action Incident beam focus is in optical fiber 120.In said embodiment, as will be described in more detail, grin lens 118 is with glass The form of rod provides, and described Glass rod is placed in lens mount assembly 101.The flat end surface of grin lens 118 allows The end of grin lens 118 is optically coupled to the end section of the optical fiber 120 within plug 110, wherein grin lens simply Another end of 118 is placed on the inserting face 116 of lens mount main body 140, as illustrated in Fig. 2 A.Putting down of grin lens 118 Smooth end face surface also can reduce deviation.
It addition, with continued reference to Fig. 2 A, the end face of grin lens 118 can be smooth slightly to insert inserting face 116(example As, in 0 μm to 25 μm).In some embodiments, the end face of grin lens 118 can be the most recessed relative to inserting face 116 Enter, to avoid the grin lens material contact with inserting optical conenctor, thus prevent the infringement to grin lens 118.But, If the offset distance between the end face of grin lens 118 is excessive, then be likely to be formed dirt and collect recess.Substituting embodiment party In formula, the end face of grin lens 118 can flush with inserting face 116.The flat surfaces of grin lens 118 allows easily to clean The end face of grin lens 118.As discussed more detail below, lens mount assembly 101 is designed with internal alignment feature structure, Described feature structure supports grin lens 118 and makes the grin lens 118 of alignment align with lens mount assembly 101 and plug 110, With avoid or reduce grin lens 118 and by be optically connected to the inserting of plug 110 grin lens 118 optical module it Between coupling loss.
Referring now to Fig. 2 B and Fig. 2 C, the assembly of plug 110 be will be described in more detail.The optical cable that Fig. 2 B is illustrated in Fig. 2 A is total One-tenth 100 and the decomposition diagram of plug 110, and the decomposition close-up view that Fig. 2 C is lens mount assembly 101 illustrated in Fig. 2 B.Thoroughly Translate along x-axis in mirror holder assembly 101 is configured to be placed in connector shell 115 and on alignment pin 132A, 132B.
The lens mount main body 140 of illustrated embodiment includes two slippers pair with boring, described boring configuration For accommodating the first alignment pin 132A and the second alignment pin 132B.First slipper is to by the first forward slip part 142A(tool Have boring 143A) and first slide backward part 144A(there is boring 145A) define, described slipper is by the first boring row Material district 148A separates.Second slipper has boring 143B to by the second forward slip part 142B() and second slide backward Part 144B(has boring 145B) define, described slipper is separated by the second boring material discharge region 148B.First forward slip It is longitudinally-aligned that part 142A and first slides backward part 144A.Second forward slip part 142B and second slides backward part 144B is longitudinally-aligned.First boring material discharge region 148A and the region that the second boring material discharge region 148B is lens mount main body 140, in institute State in region, remove material so that the first alignment pin 132A and the second alignment pin 132B exposes and in described region or district Do not closed by lens mount main body 140.
Boring 143A, 143B, 145A, 145B are set size and are configured to accommodate the first alignment pin 132A and second alignment Pin 132B, as described in detail below.Boring 143A, 143B, 145A, 145B diameter should make hole 143A, 143B, 145A, The inner periphery of 145B contacts the first alignment pin 132A and the second alignment pin 132B, so that lens mount assembly 101 is for plug The tolerance inner position that optimal optics between 110 and inserting optical conenctor couples is in connector shell 115.
First boring material discharge region 148A and the second boring material discharge region 148B allows at lens mount assembly 101 at connector shell Boring 143A, 143B, 145A, 145B and the first alignment pin 132A and the second alignment pin is cleaned when translating along x-axis in 115 132B, this situation is favourable for requiring the adapter of a large amount of inserting number of times.The residue of connector shell 115 may be had been enter into (such as, liquid, dust etc.) can discharge to slide backward part 144A in the first forward slip part 142A and first respectively Between (that is, in the first boring material discharge region 148A) and slide backward part 144B in the second forward slip part 142B and second Between the first alignment pin 132A of (that is, in the second boring material discharge region 148B) and the upper accumulation of the second alignment pin 132B.In other words Saying, the first boring material discharge region 148A and the second boring material discharge region 148B can prevent residue at boring 143A, 143B, 145A, 145B Inner accumulated.The residue described accumulation in boring 143A, 143B, 145A, 145B may suppress lens mount assembly 101 at adapter The lens of the optical conenctor of the interior translation of shell 115 and also possible suppression grin lens 118 and inserting or optical module optics Alignment.
In the illustrated embodiment, optional cylindrical sleeve 146A to 146D be placed in boring 143A, 143B, 145A, In 145B, to serve as reducing the friction between lens mount assembly 101 and the first alignment pin 132A and the second alignment pin 132B Bearing element.Cylindrical sleeve 146A to 146D can be made up to contribute to lens mount assembly 101 along of any lubricious material One alignment pin 132A and the translation of the second alignment pin 132B.Unrestricted as an example, cylindrical sleeve 146A to 146D can be by The bronze of sintering is made.Should be understood that cylindrical sleeve 146A to 146D can be additionally used in the optics having in addition to grin lens 118 The embodiment with refractor 50 in the embodiment of assembly, such as described in Fig. 1.
The front surface portion boundary of a piece of land fix-focus lens frame of the first forward slip part 142A and the second forward slip part 142B is total Become the inserting face 116 of 101.Therefore, the front surface of the first forward slip part 142A and the second forward slip part 142B is facilitated The coupling and align of the optical module of grin lens 118 and inserting optical conenctor.It addition, the first forward slip part 142A and The front surface of the second forward slip part 142B can provide the stability that lens mount main body 140 increases in the y-axis direction.
Although Fig. 2 B to Fig. 2 C illustrates a certain lenses frame body configuration, but the concept of boring material discharge region can make at needs With in the case of other designs of cover cap for any applicable lens mount main body (such as, the one-piece molded of use cover cap useless Design).But, the embodiment of assembly is illustrated as using cover cap, because cover cap is usually easier by required tolerance and control Manufacturing, described cover cap has the open recesses for groove alignment feature structure.Open recesses is set size for storage There is the lens of different relative dimensions and the part of optical fiber and described lens and described partial optical are alignd, at assembly Between formed optical communication.Additionally, the part of groove may be arranged in the Different Plane of lens mount main body, to guarantee suitable light The fine alignment to lens and/or lens are to the oblique alignment of lens.For example, optical fiber and lens are in the Y direction and right in Z-direction 0.008 milli is snapped to in Z-direction in the Y direction within neat to 0.01 millimeter or less and preferably relative to inserting centrage Rice or less within；And lens tilt away from axis of reference within 0.5 degree or the less number of degrees.
Referring in particular to the exploded view of Fig. 2 C, the first forward slip part 142A and the second forward slip part 142B and One slides backward part 144A and second slides backward part 144B and defines the internal chamber 149 with recessed base plate 153.Recessed Base plate 153 comprises multiple groove alignment feature structures 150 with three different groove section 150A, 150B, 150C, as one Individual illustrative example, each in described section has different groove size and has difference to accommodate respectively and securely to support The coated fiber 120(of outside dimension such as, 250 micron coatings of optical fiber), nuditing fiber 120(such as, 80 microns of optical fiber are extremely The glass of 125 microns) and grin lens 118(is such as, the lens of 400 microns).In other words, groove alignment feature structure is from thoroughly The front portion of mirror holder main body 140 changes to rear portion, to accommodate the various sizes of feature structure of assembly.Although multiple grooves alignment spy Levy structure 150 and be illustrated as series of rectangular groove, but embodiment is not limited to this.As limiting examples, one or more is recessed Groove section 150A, 150B, 150C can be rectangle, V-arrangement, circle and/or combinations of the above.Multiple grooves alignment spy Levy structure 150 to extend in recessed base plate 153, to be formed for optical fiber 120 and the grin lens 118 at inserting face 116 Opening.With reference to Fig. 2 B, the end section of optical fiber 120 can be placed in groove section 150B, and grin lens 118 is placed in recessed In groove section 150C.The end section of optical fiber 120 can be optically coupled to grin lens in groove alignment feature structure 150 118。
As illustrated in Fig. 2 B and Fig. 2 C, recessed cover cap 102 is special containing the first inserting feature structure 107A and the second inserting Levying structure 107B, described inserting Characteristic Structure Configuration is for slide backward part with the first forward slip part 142A and first respectively 144A and slide backward part 144B interface with the second forward slip part 142B and second and be connected.In other words, first insert Join feature structure 107A and the second inserting feature structure 107B is configured to be respectively disposed on the first boring material discharge region 148A and second In boring material discharge region 148B.Recessed cover cap 102 can be inserted in internal chamber 149, wherein the first inserting feature structure 107A and Two inserting feature structures 107B are respectively disposed in the first boring material discharge region 148A and second boring material discharge region 148B.A reality Execute in mode, the front surface 106 of recessed cover cap 102 relative to inserting face 116 inverse offset of lens mount main body 140 so that The front surface 106 of recessed cover cap 102 will not facilitate the optics of the grin lens 118 lens mount assembly 101 at plug 110 and inserting Angular alignment during the inserting of the optical module of adapter (such as, illustrated in Fig. 3 socket connector 170).Recessed cover The bottom surface of lid 102 can include or may not include the groove alignment feature structure 104 of correspondence, and described groove alignment feature structure can be determined Position or be configured to cover the grin lens 118 being placed in internal chamber 149 and the top section of optical fiber 120.
With continued reference to Fig. 2 B and Fig. 2 C, when removing recessed cover cap 102, grin lens 118 may pass through internal chamber 149 pacifies Put in lens mount main body 140.Suitably refractive index matched adhesive (such as, epoxy resin etc.) can be placed in internal chamber subsequently In 149, and recessed cover cap 102 is placed in open recess with sealed interior 149 and is fastened on by grin lens 118 Mirror holder main body 140 is internal.As limiting examples, there is the lens mount assembly 101 of independent lens mount main body and recessed cover cap Can easily be molded or suppress.
Now referring in particular to Fig. 2 B, plug 110 comprises connector body 130 further, and described connector body 130 is by first Connector body half 130A and the second connector body half 130B defines.First connector body half 130A and second is even Connect device main body half 130B can each self-contained otch 131A, 131B, when the first connector body half 130A and the second adapter Main body half 130B be coupled together (such as, by mechanical engagement, binding agent or any other couple means) time, described otch Define opening 131, can be placed at least partially in described opening 131 of connector shell 115.Shown first connector body Half 130A comprises interior notches 137, and described recess 137 is configured to when plug 110 is couple to second joints of optical fibre receive Lens mount assembly 101, referring below to described by Fig. 4 A to Fig. 4 B.Although the most invisible, but the second connector body Half 130B can include similar interior notches.First connector body half 130A's and the second connector body half 130B is interior Portion's recess 137 may also include locating feature 139A, 139B(and notes, only locating feature 139A is the most visible), Described locating feature is configured to outthrust, and described outthrust (can note, only otch 119B with otch 119A, 119B inserting The most visible), so that connector shell 115 is accurately positioned in connector body 130.Otch 119B is configured to and location The inserting of feature structure 139B and otch 119A are configured to and locating feature 139A inserting, with by connector shell 115 and company Connect device main body 130 to fasten.
First connector body half 130A also can comprise alignment pin recess engagement feature structure 135A, 135B.Alignment pin Recess engagement feature structure 135A, 135B can be configured to be securely retained within the first alignment pin 132A and the second alignment pin 132B In connector body 130 and connector shell 115.As limiting examples, the first alignment pin 132A and the second alignment pin 132B can include that rear portion 133A, the 133B with width or diameter, described width or diameter are more than the first alignment pin 132A With the remainder of the second alignment pin 132B, lens mount assembly 101 translates on described remainder.First alignment pin 132A and Rear portion 133A, 133B of second alignment pin 132B can be placed in alignment pin recess engagement feature structure 135A, 135B, with The first alignment pin 132A and the second alignment pin 132B is made securely to be placed in connector body 130 in pre-position and connect In device shell 115.Should be understood that the first alignment pin 132A and the second alignment pin 132B can be placed in adapter master by other means In body 130.
First connector body half 130A also can comprise optical fiber recess 136, and described optical fiber recess 136 can be adapter master There is provided region for positioning optical fiber 120 when lens mount assembly 101 translates in body 130.For example, optical fiber 120 can be positioned on Gap 138 between first alignment pin recess engagement feature structure 135A and the second alignment pin recess engagement feature structure 135B In.When lens mount assembly 101 moves in connector body along x-axis, optical fiber 120 is pushed through gap 138 and enters optical fiber Recess 136.First connector body half 130A and the second connector body half 130B also can comprise receiving strain relief member Otch 131C, 131D of 123.
Plug 110 comprises the first biasing member 134A and the second biasing member 134B further, and described biasing member is respectively It is placed in around the first alignment pin 132A and the second alignment pin 132B and engages with the first alignment pin recess between lens mount main body 140 Between feature structure 135A and the second alignment pin recess engagement feature structure 135B.First biasing member 134A and second biasing structure Part 134B biased forward lens mount assembly 101, so that when plug 110 is not with the second joints of optical fibre inserting, inserting face 116 Being positioned at connector opening 121, described biasing member is configured to compression spring in the illustrated embodiment.When lens mount assembly 101 when translating back in connector body 130 on the first alignment pin 132A and the second alignment pin 132B, the first biasing member 134A and the second biasing member 134B compression.
Referring now to Fig. 3, it is illustrated that example socket 170.Socket 170 can provide for the COM1 of electronic installation, described Electronic installation is such as but not limited to PC, electronic data storage device, panel computer, mobile communications device and special applications Calculate device.In Fig. 3, the socket 170 of diagram generally comprises jack housing 172, and described jack housing 172 is couple to printed circuit Plate (printed circuit board;PCB) 171 etc., described printed circuit board (PCB) 171 can be the shell maintaining electronic installation Interior PCB.Example socket shell 172 is comprised installation sheet 175M, described installation sheet 175M and can be used for (such as) and welded by use Jack housing 172 is couple to PCB171 by material or binding agent.Jack housing 172 comprise further engagement feature structure 175A, 175B, described engagement feature structure be configured to when two assemblies are couple to together removedly with the engagement feature of plug 110 Structure 113A, 113B engage.
Socket 170 comprises lens mount assembly 180 further, and described lens mount assembly 180 is placed in by jack housing 172 boundary In fixed housing, so that there is gap 181 between the inner surface of the outer surface of lens mount assembly 180 and jack housing 172.As Being described in more detail below with reference to Fig. 4 A to Fig. 4 C, gap 181 is configured to when plug 110 inserts socket 170 receive outside adapter Shell 115.The lens mount assembly 180 of diagram comprises seamless smooth inserting face 176, and it is saturating that described inserting face is configured to plug 110 The inserting face 116 of mirror holder assembly 101 couples.Although shown lens mount assembly 180 is illustrated as one-piece assemblies in figure 3, but implements Mode is not limited to this.Unrestricted as an example, lens mount assembly 180 can comprise multicompartment assembly, described multicompartment assembly bag Containing lens mount main body and recessed cover cap.It addition, multicompartment receptable lens frame assembly also can have boring material discharge region and/or groove pair Neat feature structure, as described above.
Grin lens 178 is placed in lens mount assembly 180, so that the end face of grin lens 178 is smooth, with phase (such as, in 0 μm to 50 μm) is slightly inserted for inserting face 176.Grin lens 178 should be arranged in lens mount assembly 180, Align with the grin lens 118 with plug 110 when plug 110 is with socket 170 inserting.
Lens mount assembly 180 additionally comprises the first boring 179A and second boring 179B, and described boring is adjacent to grin lens 178 and be configured to when plug 110 inserts socket 170 to receive respectively the first pin 132A and the second pin 132B of plug 110.As follows Literary composition more detailed description, the first pin 132A and the second pin 132B of plug 110 and the first boring 179A and second of socket 170 bore Hole 179B provides the optical alignment of the grin lens 118,178 of inserting.First boring 179A and the second boring 179B also can comprise Optical telescopic sleeve 177A, 177B as spacer element, hole 179A and the with first reducing the first pin 132A and second pin 132B Friction between the inner surface of two boring 179B.As above in relation to described by plug 110, sleeve can by lubricious material (such as But it is not limited to the bronze of sintering) make.
Referring now to Fig. 4 A to Fig. 4 C, the intraware of plug 110 and socket 170 is with the schematic map of partial sectional perspective view Show to illustrate coupling of plug 110 and socket 170.Fig. 4 A diagram plug 110 positions away from socket 170.Fig. 4 B illustrates plug 110 Near socket 170, and Fig. 4 C diagram plug 110 engages with socket 170 with complete inserting relation.When user by plug 110 towards When socket 170 promotes, the inserting face 116 of the lens mount assembly 101 being associated with plug 110 contacts and is associated with socket 170 The inserting face 176 of lens mount assembly 180.The end face of the grin lens 118 being placed in the lens mount assembly 101 of socket 110 connects Touch or almost in contact with the end face of the grin lens 178 in the lens mount assembly 180 being placed in socket 170, so that grin lens 118,178 optically alignment and optical signalling can transmit between grin lens 118,178.
When plug 110 inserts socket 170, the first pin 132A and the second pin 132B of plug 110 are respectively positioned at first In boring 179A and second boring 179B.Referring in particular to Fig. 4 C, when plug 110 is pushed into socket 170, the lens of plug 110 The inserting face 116 of frame assembly 101 is through being pushed against the inserting face 176 of the lens mount assembly 101 of socket 170, so that lens mount Assembly 101 returns along x-axis translation and is placed in even when plug 110 and socket 170 are at a fully engaged in connector shell 115 Connect in device main body 130.First biasing member 134A and the second biasing member 134B is compressed in connector body 130.Additionally, even Connect device shell 115 to be placed in the gap 181 of socket 170, so that engagement feature structure 113A of plug 110,113B(note Meaning, engagement feature structure 113B is invisible in Fig. 4 A to Fig. 4 C) note with engagement feature structure 175A, 175B(, engagement feature Structure 175B is invisible in Fig. 4 A to Fig. 4 C) engage plug 110 and socket 170 to be maintained in inserting connection.
When plug 110 is fully engaged in socket 170, the inserting face 116 of plug 110 and the inserting face 176 of socket 170 Material contact.The lens mount assembly 180 of socket 170 can comprise total internal reflection (total internal reflective;TIR) Surface 173, described surface 173 is through providing to reflect light to be placed in the grin lens 178 in described lens mount assembly 180 also Reflect the light from described grin lens 178.Lens (not shown in Fig. 4 A to Fig. 4 C) can be passed through from being placed in PCB171 Optical transmission apparatus (such as, laser diode) receive light.Described light can reflex to grin lens 178 from TIR 173 In.Similarly, the light received from grin lens 178 can reflect from TIR 173 and pass through lens focus, and described light can be by light Learn and receive device (such as, photodiode) reception.
Plug 110 can by departing from from socket 170 from the electronic installation drawing plug 110 incorporating socket 170 so that Obtain engagement feature structure 113A, 113B and engagement feature structure 175A, 175B departs from each other.When plug 110 removes from socket 170 Time, biasing member 134A, 134B make lens mount assembly 101 return towards connector opening translation, so that inserting face 116 He Grin lens 118 can be user's come-at-able (such as, for cleaning purpose).
As described above, the first boring material discharge region 148A and the second boring material discharge region 148B contributes to cleaning first forward Slipper 142A and the second forward slip part 142B and first slide backward part 144A and second and slide backward part Boring 143A, 143B, 145A, 145B of 144B and the first alignment pin 132A and the second alignment pin 132B, so that residue is not Can gather between inner surface and the first alignment pin 132A and the second alignment pin 132B of boring 143A, 143B, 145A, 145B. Lens mount assembly 101 along the translational motion of the first alignment pin 132A and the second alignment pin 132B (as schemed in Fig. 4 A to Fig. 4 B Show) residue can be made to be stripped and/or make residue in the first forward slip part 142A and the second forward slip part 142B and One slide backward part 144A and second slide backward be pushed between part 144B the first boring material discharge region 148A and second bore In the 148B of material discharge region, hole.Residue in first boring material discharge region 148A and the second boring material discharge region 148B may be to lens mount assembly The translation of 101 is without obvious negative effect, because residue will not contact the inner surface of boring 143A, 143B, 145A, 145B.
Referring now to Fig. 5, it is illustrated that substituting lens mount assembly 101, described lens mount assembly 101 has and is positioned at first forward Slipper 142A and first slides backward the cylindrical cleaning element 160A of first between part 144A and is positioned at second Forward slip part 142B and second slides backward the cylindrical cleaning element 160B of second between part 144B.First is cylindrical Cleaning element 160A and the second cylindrical cleaning element 160B can be configured to help respectively when lens mount assembly 101 translates from the One alignment pin 132A and the second alignment pin 132B cleans residue.In one embodiment, in addition to sleeve 146A to 146D, the The one cylindrical cleaning element 160B of cylindrical cleaning element 160A and second provides in the boring as illustrated in Fig. 2 B and Fig. 2 C In 143A, 143B, 145A, 145B.In another embodiment, lens mount assembly be included in boring 143A, 143B, 145A, The first cylindrical cleaning element 160A and the second cylindrical cleaning element 160B in 145B and do not comprise sleeve.First is cylindrical Cleaning element 160A and the second cylindrical cleaning element 160B can be by can be from the first alignment pin 132A and the second alignment pin 132B Surface absorption/attract and remove any material of residue (such as, liquid, dust etc.) and make.In one embodiment, The one cylindrical cleaning element 160B of cylindrical cleaning element 160A and second is made up of superfine fibre.
In addition to boring material discharge region 148A, 148B or replace boring material discharge region 148A, 148B, the first alignment pin 132A and the The inner surface of two alignment pin 132B and/or boring 143A, 143B, 145A, 145B can have optional molding circumference, so that boring Residue in 143A, 143B, 145A, 145B can accumulate in the district not contacted with the first alignment pin 132A and the second alignment pin 132B In territory.Referring now to Fig. 6, the second forward slip part 142B of indicative icon lens mount assembly 101, the second alignment pin 132B and The close-up view of corresponding boring 143B.Boring 143B comprises molding circumferential surface 190.Although the residue boring of lens mount assembly 101 143A, 145A, 145B illustrate the most in figure 6, it should be appreciated that described residue boring also can comprise molding circumferential surface 190.Demonstration Property molding circumferential surface 190 comprise contact the second alignment pin 132B outer surface multiple contact areas 192 with do not contact second Multiple non-contact areas 194 of the outer surface of alignment pin 132B.Therefore, when lens mount assembly 101 such as Fig. 4 A to Fig. 4 B schemes When showing along the first alignment pin 132A and the second alignment pin 132B translation, boring 143B(and boring 143A, 145A, 145B) internal memory Any residue will be pushed into by the non-contact area 194 and the second alignment pin 132B(and first of molding circumferential surface 190 Alignment pin 132A) the recess that defines of outer surface in, and thus without significantly affecting lens mount assembly 101 at connector shell Translation in 115.Should be understood that and can use except the circumferential section of circumferential section illustrated in Fig. 6.In alternative embodiment In, the first alignment pin 132A and the second alignment pin 132B can comprise molding circumferential surface, to minimize residue to lens mount assembly The impact of the translation of 101, or boring 143A, 143B, 145A, 145B and the first alignment pin 132A and the second alignment pin 132B May comprise molded surface so that residue accumulates in optimum non-contact area.
Referring now to Fig. 7 A and Fig. 7 B, the partial cross sectional views of indicative icon optical conenctor 200, described optical conenctor 200 have multiple fiber array 220A to the 220A(only grin lens battle array being couple to multiple grin lens array 231A to 231D 231A is the most visible for row).Optical conenctor 200 comprises some machinery further and couples feature structure 210, described machinery coupling Connect Characteristic Structure Configuration for by optical conenctor 200 and the second optical conenctor (not shown) inserting.Such as institute in Fig. 7 A and Fig. 7 B Diagram, the belt distance of multiple fiber array 220A to 220D and the size of grin lens 234 and position have common centrage, Described situation eliminates the demand to belt distance to the conversion of different grin lens spacing.Referring in particular to Fig. 7 B, lens mount assembly 230 Containing GRIN boring 236, described GRIN boring 236 is set size to accommodate grin lens 234.Shown lens mount assembly 230 The grin lens array 231A being made up of multiple grin lenses row 232A to 232D is defined with grin lens 234.Lens mount assembly 230 comprise further close to each GRIN boring 236 optical fiber connector groove 237C with accommodate fiber array 220A optical fiber End, as described below.
The individual fibers 222 of fiber array 220A can be placed in the optical fiber boring 237 of optical fibre frame 232.Optical fiber boring 237 Size and dimension be configured to securely accommodate and keep the individual fibers 222 of fiber array 220A.Optical fiber boring 237 can be wrapped Containing: have the first section 237A of diameter, described first section is configured to accommodate the individual fibers with one or more outer layer；Tool There is the second section 237B reducing diameter；With there is smaller diameter to keep the 3rd section 237C of a part of optical fiber 222 (that is, optical fiber connector groove), in the part., has removed one or more outer layer to expose optical fiber connector 223.Optical fiber connector 223 with or almost contact with the end face 235 of grin lens 234, so that optical fiber 222 and grin lens 234 optics couple.Optical fiber Joint between the end face 235 of end 223 and grin lens 234 can be provided by refractive index match or bonding.More specifically, There is refractive index match glue and/or refractive index matched adhesive (such as, the epoxy resin of the refractive index for refractive index match Deng) can be placed in the end face 235 being joined to corresponding grin lens 234 in internal chamber 149 with the face by optical fiber connector 223.Recessed Enter cover cap 102 and can be placed in open recess subsequently, be fastened on lens mount with sealed interior 149 and by grin lens 118 Main body 140 is internal.
The spacing (that is, optical fiber pitch) of fiber array 220A is substantially equal to the spacing of grin lens array 231A (i.e., thoroughly Mirror spacing) so that the conversion that need not between the spacing of fiber array 220A and grin lens array 231A.For example, If grin lens array has the lenticular spacing of 400 microns, then band optical fiber has the optical fiber pitch of about 400 microns with coupling Spacing also avoids relatively large interval to change.So help to manufacture and also the stress on optical fiber and/or strain can be reduced.
Now should be understood that embodiments described herein is for using one or more groove alignment feature structure and boring The lens mount assembly of material discharge region and optical conenctor.Boring material discharge region can help to alignment pin and the brill of clean lens frame assembly Hole, to promote the translation in plug of the lens mount assembly.
As limiting examples, grin lens disclosed herein can comprise the usually circle with radial variations refractive index The glass component of cylindricality, described glass component has length, so that lens have the spacing of less than about 0.23.Such as institute herein Using, the gap length Lo of lens is 2 π/A；Mark spacing or following spacing are L/Lo=LA/2 π, and wherein L is the reality of lens Body length.In various embodiments, spacing between about between 0.08 and 0.23, such as lens have 0.22,0.21,0.20, 0.19, the spacing of 0.18,0.17,0.16,0.15,0.14,0.13,0.12,0.11,0.10,0.09 and 0.08.Some embodiment party Formula relates to small diameter lenses, such as, has the lens of diameter less than or equal to about one (1) millimeter (such as, 0.8mm).At certain In a little embodiments, when irradiating with the light beam of the mode field diameter with about 10.4 μm, there are the lens of the diameter of less than about 1mm Effective for producing the light beam of the mode field diameter having between about 350 μm and 450 μm.
Can include with the example of the Optical devices that the grin lens interface disclosed in lens mount assembly disclosed herein is connected But be not limited to calibration fiber device, DWDM, OADM, isolator, circulator, hybrid optical device, optical attenuator, MEM device and Optical switch.
It addition, as used herein, term " fiber optic cables " and/or " optical fiber " are intended to include that all types of single mode is with many Mould fiber waveguide, described single mode and multimode lightguide include one or more optical fiber, and in the cable, one or more optical fiber described can be through upper Coat, colour, buffer, striping and/or there is its hetero-organization or protection structure, such as one or more pipe, strength member, sheath Deng.Optical fiber disclosed herein can be single mode or multimode fibre.Equally, other kinds of applicable optical fiber includes bending unwise The optical fiber felt or any other the rational medium being used for transmitting optical signal.Bend insensitive fiber or the example of resist bending optical fiber For can buy from Corning companyMultimode fibre.At (such as) Patent Application Publication The optical fiber being suitable for of this type disclosed in No. 2008/0166094 and No. 2009/0169163, the disclosure of described publication All it is incorporated herein by reference.
Have benefited from the technology people of the described embodiment art of the teaching presented in described above and associated drawings Member is it is appreciated that the multiple amendment of embodiment described in this paper and other embodiments.Want it will be understood, therefore, that describe with right Ask book to be not only restricted to disclosed particular implementation, and be intended to described amendment and other embodiments are included in appended right In the range of claim.If the modifications and variations of embodiment belong to the equivalent of appended claims and claims In the range of, then embodiment is intended to the described modifications and variations of described embodiment.Although it is used herein specific Term, but described term only uses with general significance and describing significance and is not intended to limit.
1. a lens mount assembly, described lens mount assembly comprises:
Lens mount main body, described lens mount main body comprises: in described lens mount main body and comprise at least one refractor At least one optical module；Inserting face；The the first forward slip part being placed on the first side of described lens mount main body and First slides backward part；And the second forward slip part and second being placed on the second side of described lens mount main body Slide backward part；Wherein:
Described first forward slip part is with described first to slide backward part longitudinally-aligned, so that described first forward slip Part is slided backward with described first by the first boring material discharge region and is partially separated；
Described second forward slip part is with described second to slide backward part longitudinally-aligned, so that described second forward slip Part is slided backward with described second by the second boring material discharge region and is partially separated；And
At least one optical module described is positioned at described inserting face place and is configured to be optically coupled to the optical module of inserting.
2. lens mount assembly as claimed in claim 1, described lens mount assembly comprises further and is placed in described lens mount master At least one groove alignment feature structure in body, wherein:
At least one optical module described comprises at least one gradient-index lens (gradient-index；GRIN) lens； And
At least one groove alignment feature structure described is configured to support described at least be placed in described lens mount main body Individual grin lens also substantially makes at least one end section of at least one grin lens described with described inserting in the face of neat.
3. lens mount assembly as claimed in claim 2, described lens mount assembly comprises further:
Internal chamber, described internal chamber comprises recessed base plate；And
Recessed cover cap, the female cover cap be placed in described internal chamber between described lens mount main body described first forward Portion is slided backward between slipper and described second forward slip part and between described the first of described lens mount main body Point and described second slide backward between part.
4. the lens mount assembly as described in any claim in claims 1 to 3, the length of wherein said first boring material discharge region The length of degree and described second boring material discharge region is more than or equal to described first forward slip part, described second forward slip portion Point, described first slide backward the length that part and described second slides backward in part each.
5. lens mount assembly as claimed in claim 4, described lens mount assembly comprises at least one optical fiber, described light further Fibre is placed in described lens mount main body, is couple at least one light described the final optical of at least one optical fiber wherein said Learn assembly.
6. the lens mount assembly as described in any claim in claims 1 to 3, wherein:
Described first forward slip part, described second forward slip part, described first slide backward part and described second The each slided backward in part comprises boring；And
Described lens mount assembly comprises at least one sleeve further, and described sleeve is placed in and described first forward slip portion Point, described second forward slip part, described first slide backward part and described second and slide backward the institute that is associated of part State at least one boring in boring.
7. lens mount assembly as claimed in claim 6, wherein with described first forward slip part, described second forward slip Partly, described first one or more brill that part and described second slides backward in the described boring that part is associated is slided backward Hole comprises molding circumferential surface.
8. an optical conenctor, described optical conenctor comprises:
Connector shell；
Lens mount main body, described lens mount main body comprises: inserting face；In described lens mount main body and comprise at least one refraction At least one optical module of lens；First forward slip part；Second forward slip part；First slides backward part；And Second slides backward part；Wherein:
At least one optical module described is optically coupled to described inserting face；And
First alignment pin and the second alignment pin, described alignment pin is longitudinally disposed in described connector shell, wherein:
Described first alignment pin is placed in described first forward slip part and described first and slides backward in part；
Described second alignment pin is placed in described second forward slip part and described second and slides backward in part；And
Described lens mount main body is configured on described first alignment pin and described second alignment pin along described optical conenctor Optical axial longitudinal translation.
9. optical conenctor as claimed in claim 8, the length of wherein said first boring material discharge region and described second boring The length of material discharge region is more than or equal to described first forward slip part, described second forward slip part, described first backward Slipper and described second slides backward the length of each in part.
10. optical conenctor as claimed in claim 8, described optical conenctor comprises further: the first biasing member, described First biasing member is placed in around described first alignment pin；And second biasing member, described second biasing member is placed in institute State around the second alignment pin.
11. optical conenctors as claimed in claim 10, wherein when described optical conenctor is in disengaged position, described One biasing member and described second biasing member by described lens mount body bias in forward facing position so that described inserting face Come-at-able for user.
Optical conenctor as described in any claim in 12. such as claim 8 to 11, described optical conenctor wraps further Containing: the first cylindrical cleaning element, the described first cylindrical cleaning element is positioned at around described first alignment pin between described First forward slip part and described first slides backward between part；And the second cylindrical cleaning element, described second cylinder Shape cleaning element is positioned at around described second alignment pin and slides backward with described second between described second forward slip part Between part.
Optical conenctor as described in any claim in 13. such as claim 8 to 11, at least one optical module wherein said Comprise at least one graded index (GRIN) lens being placed in described lens mount main body so that described at least one The end of grin lens is smooth relative to described inserting face.
14. optical conenctors as claimed in claim 13, described optical conenctor comprises at least one optical fiber further, described Fiber placing in described lens mount main body, be couple to the final optical of at least one optical fiber wherein said described at least one Second end section of grin lens.
15. optical conenctors as claimed in claim 13, wherein:
At least one grin lens described comprises grin lens array, and described grin lens array is at described grin lens array Between independent grin lens, there is lenticular spacing；And
Described optical conenctor comprises fiber array further, and described fiber array has optical fiber pitch between individual fibers, Described optical fiber pitch is substantially equal to described lenticular spacing.
Optical conenctor as described in any claim in 16. such as claim 8 to 11, at least one optical module wherein said Comprise one or more refractor.
Optical conenctor as described in any claim in 17. such as claim 8 to 11, wherein:
Described optical conenctor comprises at least one sleeve further, and described sleeve is placed in and described first forward slip portion Point, described second forward slip part, described first slide backward part and described second and slide backward the institute that is associated of part State at least one boring in boring.
18. optical conenctors as claimed in claim 17, wherein with described first forward slip part, described second to advancing slip Dynamic part, described first slide backward that part and described second slides backward in the described boring that part is associated one or more Boring comprises molding circumferential surface.
19. optical conenctors as claimed in claim 18, wherein said molding circumferential surface provides multiple non-contact areas, institute State multiple non-contact area and do not contact described first alignment pin or described second alignment pin.
Optical conenctor as described in any claim in 20. such as claim 8 to 11, wherein said first alignment pin and described Second alignment pin comprises the molding circumferential surface in cross section, so that described first alignment pin and the one of described second alignment pin Or multiple outer surface does not contact described first forward slip part, described second forward slip part, described first slides backward Part and described second slides backward part.
Optical conenctor as described in any claim in 21. such as claim 8 to 11, wherein said inserting face is relative to described The front surface of the first forward slip part and the front surface of described second forward slip part are smooth.
22. 1 kinds of optical conenctors, described optical conenctor comprises:
Lens mount assembly, described lens mount assembly comprises:
Lens mount main body, described lens mount main body comprises: inserting face；Internal chamber；Be placed in described internal chamber is recessed Base plate；The the first forward slip part being placed on the first side of the female base plate and first slides backward part；And peace The the second forward slip part and second put on the second side of the female base plate slides backward part；Wherein:
Described first forward slip part is with described first to slide backward part longitudinally-aligned, so that described first forward slip Part is slided backward with described first by the first boring material discharge region and is partially separated；And
Described second forward slip part is with described second to slide backward part longitudinally-aligned, so that described second forward slip Part is slided backward with described second by the second boring material discharge region and is partially separated；
At least one groove alignment feature structure, described groove alignment feature structural arrangement described lens mount main body described in In the female base plate of portion's chamber, at least one groove alignment feature structure described is configured to support and is placed in described inner chamber At least one grin lens in room also substantially makes at least one end section of at least one grin lens described with described Inserting is in the face of neat；And
Recessed cover cap, the female cover cap be placed in described internal chamber between described lens mount main body described first forward Part is slided backward with described second backward between slipper and described second forward slip part and between described first Between slipper；And
Described lens mount assembly is configured on described first alignment pin and described second alignment pin along described optical conenctor Optical axial longitudinal translation.
23. optical conenctors as claimed in claim 22, described optical conenctor comprises further: the first biasing member, institute State the first biasing member to be placed in around described first alignment pin；And second biasing member, described second biasing member is placed in Around described second alignment pin.
24. optical conenctors as claimed in claim 23, wherein when described optical conenctor is in disengaged position, described Described lens mount assembly is biased in forward facing position by one biasing member and described second biasing member, so that described inserting face Come-at-able for user.
Optical conenctor as described in any claim in 25. such as claim 22 to 24, described optical conenctor wraps further Containing: the first cylindrical cleaning element, the described first cylindrical cleaning element is positioned at around described first alignment pin between described First forward slip part and described first slides backward between part；And the second cylindrical cleaning element, described second cylinder Shape cleaning element is positioned at around described second alignment pin and slides backward with described second between described second forward slip part Between part.
Optical conenctor as described in any claim in 26. such as claim 22 to 24, described optical conenctor wraps further Containing at least one optical fiber, described fiber placing in described lens mount main body, the final optical of at least one optical fiber wherein said Be couple to the second end section of at least one grin lens described.
Optical conenctor as described in any claim in 27. such as claim 22 to 24, wherein:
Optical conenctor as described in any claim in 28. such as claim 22 to 24, wherein:
Described first forward slip part, described second forward slip part, described first slide backward part and described second Sliding backward each in part and comprise boring, described boring has molding circumferential surface；And
Optical conenctor as described in any claim in 29. such as claim 22 to 24, wherein said first alignment pin and institute State the second alignment pin and comprise the molding circumferential surface in cross section, so that described first alignment pin and described second alignment pin One or more outer surface does not contact described first forward slip part, described second forward slip part, described first slides backward Dynamic part and described second slides backward part and comprises molding circumferential surface.
CN201280043490.2A 2011-09-13 2012-09-07 Use the translated lens frame assembly of boring material discharge region and merge the optical conenctor of described lens mount assembly CN103797391B (en)
US61/533,986 2011-09-13
US61/568,951 2011-12-09
CN103797391A CN103797391A (en) 2014-05-14
CN103797391B true CN103797391B (en) 2016-09-28
CN201280043490.2A CN103797391B (en) 2011-09-13 2012-09-07 Use the translated lens frame assembly of boring material discharge region and merge the optical conenctor of described lens mount assembly
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