CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 1.500″+.000″/-.005″
THICKNESS: 0.125″+/-.005″
PARALLELISM: 30 ARC SECONDS MAXIMUM.
EDGE BEVEL: 0.020″ MAXIMUM X 45deg, 2 PLACES
TRANSMITTED WAVEFRONT: 1/8 WAVE MAXIMUM @ 633nm.
CLEAR APERTURE: CENTRAL 85% OF DIAMETER FACES.
SURFACE QUALITY: 20-10 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: CRYSTAL QUARTZ, OPTICAL
GRADE.
CRYSTALLOGRAPHIC ORIENTATION: Z-CUT
COATING: NONE, NOT REQUIRED.