DIAMETER: 0.500″+.000″/-.005″
THICKNESS: 1.00mm +/- 0.10mm
PARALLELISM: 1 ARC MINUTE MAXIMUM.
FLATNESS: 1/4 WAVE MAXIMUM, 2 FACES.
EDGE BEVEL: 0.005″/0.010″ X 45deg, 2 PLACES.
SURFACE FINISH: 60-40 PER MIL-O-13830. 2 FACES.
CLEAR APERTURE: CENTRAL 85% OF DIAMETER FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: C-AXIS PERPENDICULAR
TO FACES, (0001) +/-2 DEGREES.
COATING: ANTIREFLECTIVE COAT FOR MAXIMUM
TRANSMISSION FROM 350nm TO 500nm WITH A
NORMAL ANGLE OF INCIDENCE, APPLIED TO
ONE FACE ONLY.
DAMAGE THESHOLD: > 200 MICRO JOULES WITH
A 300um DIAMETER BEAM.