T-1850-970s-31.8x20.2-93

Laser Accessories High Efficiency Transmission Grating: Center Wavelength 970 nm, Groove Density 1851.85 lines/mm, Angle of Incidence 63.9 deg, Polarization S (E field parallel to grooves), Efficiency 93% min. Size 31.8 x 20.2 x 0.675 mm (groove length 20.2 mm), Clear