1 Optical grating performance will remain substantially similar over a 5 ? variation in angle of incidence.
2 P-polarization: Incident electric field vector perpendicular to grating lines
尺寸
Parameter
Value
Substrate length x width
Refer to Ordering Information table for standard substrate dimensions. Clear aperture starts 0.5 mm from the edges of the substrate. Custom grating sizes available upon request. Dimensional tolerance ± 0.20 mm
Substrate Thickness
0.675 ± 0.050 mm
Surface quality
Standard 60/40 scratch/dig; custom up to 10/5 scratch/dig
Material
Fused silica substrate, non-organic dielectrics. Contains no polymers.