CONFIGURATION: DISC, PLANO-CONCAVE
DIAMETER: 1.060″+.000″/-.001″
CENTER THICKNESS: 0.100″+/-.001″
EDGE THICKNESS: 0.130″ REF.ONLY
CONCAVE SAG DEPTH: 0.030″+/-.001″
CENTERING ERROR: 0.0002″ MAXIMUM T.I.R.
EDGE BEVEL: 0.006″+/-.004″ FACE WIDTH, 2 PLACES.
CONCAVE SPHERICAL RADIUS: 4.4115″+/-.0441″
CONCAVE SURFACE IRREG: 1 FRINGE MAXIMUM @ 633nm.
PLANO SURFACE ACCURACY: POWER: 2 FRINGES MAXIMUM.
(@ 633nm) IRREG: 1 FRINGE MAXIMUM.
SURFACE QUALITY: 80-50 PER MIL-PRF-13830, 2 FACES.
SURFACE ROUGHNESS: 127 ANGSTROMS RMS MAXIMUM.
CLEAR APERTURES: CONCAVE FACE: 0.930″ MIMIMUM.
PLANO FACE: 0.890″ MINIMUM.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: (0001) +/- 2 Deg.
COATING: QUAD-BAND ANTIREFLECTIVE COATING PER
DRAWING 6621013 NOTES 9 & 10.