Patent ID: 11914199
Assignee: IPG PHOTONICS CORPORATION
Field: Optics (Instruments)
Classification: CPC G  A | IPC A  G

Claim 5:
6. An optical fiber connector coupling for connecting a laser radiation source to a device, the coupling comprising a launch connector having a forward end, a rearward end and an axis, the launch connector comprising a body portion with an optical fiber extending into the body portion at the rearward end, the launch connector having a mechanical connection portion defined by the body portion and an optical connection portion, the optical connection portion contained within the mechanical connection portion and comprising a male ferrule connected to the optical fiber, the optical fiber having a forwardly exposed facet at a forward end of the ferrule, a block of compliant elastomeric material centrally positioned within the body portion about the launch connector axis, the block configured as a cup with a central aperture, the cup receiving a rearward end of the optical connection portion and abutting a rearward facing surface of the optical connection portion wherein the body portion has a forward nose piece with a tubular portion containing the optical connection portion, the optical connection portion being generally cylindrical with a central circumferential band, the forward nose piece having a cavity form fit to the optical connection portion but with a gap between the optical connection portion and the nose piece whereby the optical connection piece has constrained movement therein.