CONFIGURATION: SQUARE, PLANE-PARALLEL
L X W: 7.82mm + 0.00mm /- 0.10mm (2 PLACES)
THICKNESS: 2.00mm +/- 0.12mm
PARALLELISM: 1 ARC MINUTE MAXIMUM.
EDGE BEVELS: LIGHT PROTECTIVE BEVEL, ALL EDGES.
CLEAR APERTURE: CENTRAL 90% OF FACES.
SURFACE ACCURACY: 1/4 WAVE MAXIMUM @ 633um,
2 FACES.
SURFACE QUALITY: 60-40 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: (0001)
COATING: NONE, UNCOATED SUBSTRATE.