Laser Accessories High Efficiency Transmission Grating: Center Wavelength 1030 nm, Groove Density 1600 lines/mm, Angle of Incidence 55.5 deg, Polarization S (E field parallel to grooves), Efficiency 94% min. Size 31.8 x 12.3 (groove length 12.3 mm), thickness 0.95 mm
Laser Accessories High Efficiency Transmission Grating: Center Wavelength 1030 nm, Groove Density 1702.13 lines/mm, Angle of Incidence 61.2 deg, Polarization S (E field parallel to grooves), Efficiency 93% min. Size 24.7 x 15 x 0.95 mm (groove length 15 mm), Clear ape