CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 30.00mm + 0.00mm /- 0.20mm
THICKNESS: 1.20mm +/- 0.06mm
PARALLELISM: 3 ARC MINUTES MAXIMUM.
EDGE BEVEL: 0.10mm MAXIMUM X 45deg, 2 PLACES.
CLEAR APERTURE: CENTRAL 25.50mm MINIMUM DIAMETER,
2 FACES.
FLATNESS: 1 WAVE MAXIMUM @ 633um, 2 FACES.
SURFACE QUALITY: 80-50 PER MIL-PRF-13830, WITHIN
CLEAR APERTURE, 2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: (0001) +/- 2deg.
COATING: ANTIREFLECTIVE COATED, ONE FACE ONLY FOR:
R<= 0.5% FROM 1060nm TO 1070nm
R<= 0.5% FROM 1530mm TO 1580nm
POLARIZATRION ARBITRARY
ANGLE OF INCIDENCE: ZERO TO 3 DEGREES.
MARKING: ARROW ON OD SURFACE POINTING TOWARDS
THE COATED FACE.