DIAMETER: 0.625″+/-.002″
THICKNESS: 0.040″+/-.002″
PARALLELISM: CONTROLLED BY THICKNESS TOLERANCE.
EDGE BEVEL: LIGHT PROTECTIVE BEVEL, 2 PLACES
SURFACE ACCURACY: NOT SPECIFIED.
SURFACE QUALITY: 40-20 PER MIL-PRF-13830, 2 FACES.
CLEAR APERTURE: CENTRAL 0.5625″MINIMUM DIAMETER.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: RANDOM
COATING: ANTIREFLECTIVE COATED FOR < 0.50% R FROM
1600nm TO 2400nm WITH A NORMAL INCIDENCE
ANGLE, APPLIED TO BOTH FACES.
POLARIZATION: RANDOM (“s” AND “p”)