DIAMETER: 30.00mm + 0.00mm /- 0.10mm
THICKNESS: 10.15mm REF.ONLY (HIGH SIDE OF WEDGE)
3.005mm +/- 0.065mm (LOW SIDE OF WEDGE)
WEDGE ANGLE: 13.40 DEGREES +/- 0.025 DEGREE
EDGE BEVEL: PROTECTIVE EDGE BREAK, 2 FACES.
FLATNESS: 1/2 WAVE MAXIMUM @ 633nm, 2 FACES.
SURFACE ROUGHNESS: < 10 ANGSTROMS BOTH FACES.
SURFACE QUALITY: 40-20 PER MIL-PRF-13830, 2 FACES.
CLEAR APERTURE: CENTRAL 95% OF THE DIAMETER FACES.
MATERIAL TYPE/QUALITY: ZINC SELENIDE, LASER GRADE.
COATING: NON-WEDGED FACE: ANTIREFLECTIVE COATED
FOR < 1.0% REFLECTANCE @ 1540nm +/- 25nm
WITH A 20 DEGREE +/- 1 DEGREE INCIDENCE
ANGLE.
WEDGED FACE: ANTIREFLECTIVE COATED FOR
< 1.0% REFLECTANCE @ 1540nm +/- 25nm WITH
A 13.40 DEGREE INCIDENCE ANGLE.
SEE NOTES 8,9,10,& 11 OF DRAWING 70-00071
FOR ALL REQUIREMENTS.