CONFIGURATION: DISC W/ OD FLAT, PLANE-PARALLEL
DIAMETER: 100.00mm +/- 0.10mm
OD FLAT SIZE: 32.50mm +/- 0.50mm
OD FLAT LOCATION: RANDOMLY LOCATED.
THICKNESS: 2.00mm +/- 0.05mm
PARALLELISM: < 10 ARC SECONDS.
EDGE BEVELS: 0.20mm +/- 0.10mm X 45deg, 2 PLACES
FLATNESS: 1.50 WAVES MAXIMUM @ 633nm, 2 FACES.
TRANSMITTED WAVEFRONT: 0.75 WAVE MAXIMUM @ 633nm.
SURFACE QUALITY: 40-20 PER MIL-PRF-13830, 2 FACES
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: (0001) +/- 1/2deg
COATING: NONE, NOT REQUIRED.