Лазерные принадлежности II-VI / Finisar T-940C-21x17-94

Laser Accessories High Efficiency Telecom Transmission Grating: Groove Density 940.07 lines/mm, Angle of incidence 46.5 degrees, Operating Wavelength 1525-1565 nm (C band), Polarization S and P, Efficiency 94% min. Size 21.0 x 17.0 x 0.675 mm. Clear aperture 19.0 x 15