CONFIGURATION: DISC, CONVEX/CONVEX
DIAMETER: 14.00mm + 0.00mm /- 0.025mm
CENTER THICKNESS: 3.25mm +/- 0.05mm
EDGE BEVELS: 0.20mm MAXIMUM FACE WIDTH, 2 PLACES.
CENTERING ERROR: 2 ARC MINUTES MAXIMUM
SPHERICAL RADIUS (1): 66.50mm +/- 4 FRINGES
SPHERICAL RADIUS (2): 66.50mm +/- 4 FRINGES
SURFACE ACCURACY: 1 FRINGE MAXIMUM @ 633nm OVER
CLEAR APERTURE, 2 FACES
SURFACE QUALITY: 60-40 PER MIL-PRF-13830, 2 FACES.
CLEAR APERTURE: CENTRAL 12.50mm DIAMETER, 2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: c-PLANE
COATING: NONE, UNCOATED SUBSTRATE
NOTE: SEE SPECIAL OD WALL CONFIGURATION.