Synos

OPTICAL MEASUREMENT OPTICS / BEAM IRRADIATION & DETECTION, BEAM PROFILE MEASUREMENT
SUMMERY OF SYNOSʼ OPTICAL MEASUREMENT OPTICS
Synosʼ original and specially-designed multi-purpose optics for optical beam irradiation & detection, beam proﬁle measurement.

Synos' optical measurement optics is highly functional optics, specially-designed for optical beam irradiation & detection measurement.
In the ﬁeld of optical applied measurement in recent years, with miniaturization, high integration and functionality of various opticalsemiconductor devices and elements, optical characteristic measurement by irradiating micro light beam to the microstructural
sample, or detecting measurement light emitted from microstructural sample, is widely needed. Synos' optical measurement optics isequipped with optical ﬁber connection port and imaging detector connection port for image observation. With these functions, it
becomes easy to introduce probe light from ﬁber light source to the sample, or to detect the measurement light from the sample, bymonitoring sample image. It can be applied to a wide range of ﬁelds and applications, such as optical characteristic measurement ofphoto detector devices and light-emitting devices, irradiation of probe light to microscopic samples such as biocells, etc.
○Optical beam irradiation
Coaxial observation
cameraFiber output
measurement
light source

Coaxial epiillumination

Irradiation
light beam

Optical ﬁber
Objective lensDUT
(sample to be measured)○Optical beam detection
Coaxial observation
cameraOptical measurement
instruments(Optical spectrum
analyzer, etc.)

Coaxial epiillumination

Detectionlight beam

Optical ﬁber
Objective lensDUT
(sample to be measured)○Light beam irradiation measurement
The left ﬁgure shows the simple internal structure of Synos' optical measurement optics.
In beam irradiation measurement, the light from the ﬁber light source is applied to thesample surface to be measured. The light emitted from the optical ﬁber connected to theoptical ﬁber connection port, travels along the optical path shown in red in the left ﬁgure,and is focused and irradiated to the sample that is placed at the focus position of objectivelens. The core of the connected optical ﬁber is relayed to the sample at a ratio of 1: 1 (using
10× the objective lens). For example, if an optical ﬁber with a core diameter of 10um is used,
the sample will be irradiated with a spot of 10umφ. The condition of the sample surface
can be checked directly with the coaxial observation camera. In this way, it is possible toeasily irradiate the sample with minute irradiation light equivalent to the diameter of theoptical ﬁber core connected to the optical ﬁber port. The spot diameter of the irradiation
light beam can be adjusted by changing the optical ﬁber core or objective lens magniﬁcation.
In this way, by using optical measurement optics, it is possible to easily and reliably introduce
minute measuring light to the sample. This method has been applied to the measurementof optical characteristics of light receiving elements such as photodiodes and optical sensors,
introduction of light beams into optical waveguides and optical passive elements, andirradiation of light into biocells, etc.
○Light detection measurement
In the case of received light measurement, contrary to light irradiation measurement,the measured light from the measured sample is coupled to the optical ﬁber connectedto the optical ﬁber connection port.
The light emitted from the sample travels along the optical path shown in green on the left
and is coupled to the optical ﬁber connected to the optical ﬁber connection port. At this time,the measuring light from the sample corresponding to the core diameter of the connected
optical ﬁber is relayed to the optical ﬁber core with 1: 1 (using 10× objective lens). For
example, if optical ﬁber with a core diameter of 50 μm is used, the measured light from theportion corresponding to 50 umφ on the measured sample will be relayed to the optical ﬁber.
Similar to the light irradiation measurement, the condition of the sample can be checked
directly with the coaxial observation camera, including the light emitting position and lightemitting condition, so easily checked the measurement position and light emission statusby checking the image of the coaxial observation camera. As with light irradiation, thediameter of the light receiving measurement target can be adjusted by changing thediameter of the optical ﬁber core or the magniﬁcation of the objective lens. This method isapplied to the measurement of light emission characteristics of semiconductor lasers andVCSELs, insertion loss and optical characteristic measurement of optical waveguides,
optical ﬁbers, etc.

【Component selection】●Stage, optics bench●Optical measurement optics●for visible~1100nm

Sample stage
Optics stage

Optics workbench forﬁber measurement

Vertical setting
optics bench＊Possible to combine various
manual/motorized stages

https://www.synos.jp●Image processing & analysis●Imaging detectorSophisticated opticalmeasurement optics
M-Scope type I series

Simpliﬁes opticalmeasurement optics
M-Scope type J seriesCompact-type opticalmeasurement optics
M-Scope type M series

3Image processing& data analysissystem

High resolution CMOS
detector ISA071

・Optical beam analysis software
Optometrics BA Standard
・Special software : opticalcharacteristic measurement,
stage & system control, etc.

●for 950~1700nm

InGaAs high sensitivity NIR
detector ISA041H2●Accessories
ND ﬁlter●for 400~1700nm

Objective lens
InGaAs high resolution NIR
detector ISA041HRA/HRVA

Coaxial epi-illumination
light source

SYNERGY OPTOSYSTEMS CO., LTD