SCD4152-01A

Diameter: 25.40mm + 0.00mm /- 0.10mm Thickness: 9.16mm Reference Only (High Side of Wedge) 4.95mm +/- 0.05mm (Low Side of Wedge) Wedge Angle: 9.50 Degrees +/- 0.017 Degree Edge Bevels: Light Protective Edge Break, Both Faces Flatness: 1/4 Wave Maximum @ 633nm, Both Faces Surface Roughness: < 10 Angstroms RMS, Both Faces Surface Quality: 40-20 Per MIL-PRF-13830, Both Faces Clear Aperture: Central 24.13mm Diameter Faces Material Type / Quality: Schott N-SF6 Glass Coating: Non-wedged Face: Antireflective Coated for < 1.0% Reflectance @ 1540nm +/- 25nm With a Zero to 7.50 Degree Incidence Angle Wedged Face: Antireflective Coated for < 1.0% Reflectance @ 1540nm +/- 25nm With a Zero to 9.50 Degree Incidence Angle See Notes 8,9,10,& 11 of Drawing 70-00207 for All Requirements

SCD4153-01A

Diameter: 31.00mm + 0.00mm /- 0.10mm Thickness: 10.38mm Reference Only (High Side of Wedge) 4.95mm +/- 0.05mm (Low Side of Wedge) Wedge Angle: 9.50 Degrees +/- 0.017 Degree Edge Bevels: Light Protective Edge Break, Both Faces Flatness: 1/4 Wave Maximum @ 633nm, Both Faces Surface Roughness: < 10 Angstroms RMS, Both Faces Surface Quality: 40-20 Per MIL-PRF-13830, Both Faces Clear Aperture: Central 29.45mm Diameter Faces Material Type / Quality: Schott N-SF6 Glass Coating: Non-wedged Face: Antireflective Coated for < 1.0% Reflectance @ 1540nm +/- 25nm With a Zero to 7.50 Degree Incidence Angle Wedged Face: Antireflective Coated for < 1.0% Reflectance @ 1540nm +/- 25nm With a Zero to 25.0 Degree Incidence Angle See Notes 8,9,10,& 11 of Drawing 70-00210 for All Requirements