T-GP3510M - VPH Transmission Grating, 900 nm DWL, 1000 Lines/mm, 27° AOI, 50 mm x 30 mm tubing-length_1-meter Radius R1 (mm): 6

Radius R1 (mm): 6

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and other brand name manufacturers but with a VERY competitive price

Exceeds Category 5e performance requirements

T-GP3510M - VPH Transmission Grating, 900 nm DWL, 1000 Lines/mm, 27° AOI, 50 mm x 30 mm tubing-length_1-meter Radius R1 (mm): 6T GP3510M VPH Transmission Grating, 900 nm DWL, 1000 Lines mm, 27 AOI, 50 mm x 30 mm Product Drawing T GP3510M Specifications Design Wavelength 900 nm Spatial Frequency 1000 2 lines mm Line Perpendicularity 1 Off of 50 mm Edge Angle of Incidence (AOI)a 27 1 Diffraction Efficiencyb 800 nm: S Pol > 65%; P Pol > 78% 900 nm: S Pol > 85%; P Pol > 85% 1000 nm: S Pol > 75%; P Pol > 70% BBAR Coatingc 750 1050 nm Ravg < 0. 75% Transmitted Wavefront Error (RMS)