DIAMETER: 12.700mm +/- 0.025mm
THICKNESS: 0.500mm +/- 0.025mm
PARALLELISM: 3 ARC MINUTES MAXIMUM.
EDGE BEVEL: LIGHT PROTECTIVE BRUSHED EDGE, 2 PLACE
SURFACE ACCURACY: 1/4 WAVE MAXIMUM @633um, 2 FACES
SURFACE QUALITY: 40-20 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
KYROPULOS GROWTH METHOD.
CRYSTALLOGRAPHIC ORIENTATION: c-PLANE
COATING: ANTIREFLECTIVE COATED FOR < 0.50% R FROM
700nm TO 1050nm WITH A NORMAL INCIDENCE
ANGLE +/- 20 DEGREES, APPLIED TO BOTH
FACES.
POLARIZATION: RANDOM (“s” AND “p”)
COATING APERTURE: 12.20mm MINIMUM, 2 FACES.