Measurement and Testing Services for Optical Materials
We provide the following measurement and testing services :
Optical material
| Test item | Test condition | |
|---|---|---|
| Measurement of Optical absorption spectrum |
Optical absorption spectrum |
Wavelength : UV - visual |
| Measurement of refractive index (Double refraction) |
Abbe | Wavelength : 589.3 nm |
| Prismatic coupler | Wavelength : 400, 633, 830, 1300, 1550 nm Optical polarization : TE, TM |
|
| Material loss (Streak method) |
Prismatic coupler | Wavelength : 400, 633, 830, 1300, 1550 nm Optical polarization : TE, TM |
Optical waveguide and waveguide component
| Test item | Test condition | |
|---|---|---|
| Measurement of Optical loss |
Measurement of optical intensity |
Wavelength : 850, 1300, 1550 nm Optical polarization : TE, TM |
| Propagation loss (Cutback method) |
Wavelength : 850, 1300, 1550 nm Optical polarization : TE, TM |
|
| Optical loss dependence on wavelength |
Measurement of optical intensity |
Wavelength : 400 - 1700 nm |
| Optical waveguide mode | Photographing of near field pattern |
Wavelength : 850, 1300, 1550 nm Optical polarization : TE, TM |
| Waveguide birefringence | Senarmont method | Wavelength : 850, 1300, 1550 nm |
Examples of actual measurements
![]() Near field pattern of polyimide optical waveguide |
![]() Evaluation of waveguide propagation loss by the cutback method |
![]() Optical absorption spectrum of polyimide material |



