型号 T-1500-930-28x18-94 分类 Laser Accessories RoHS 数据表 T-1500-930-28x18-94 描述 Laser Accessories High Efficiency Transmission Grating: Center Wavelength 930 nm, Groove Density 1500.38 lines/mm, Angle of Incidence 44.2 deg, Diffraction efficiency 94% min, Polarization S