DIAMETER: 88.90mm + 0.00mm /- 0.50mm
THICKNESS: 6.35mm +/- 0.50mm
PARALLELISM: 10 ARC SECONDS MAXIMUM
EDGE BEVEL: 1.00mm MAXIMUM FACE WIDTH, 2 PLACES
SURFACE ACCURACY: PWR: 4 FRINGES MAXIMUM, 2 FACES
(@ 633nm) IRR: 1 FRINGE MAXIMUM, 2 FACES
SURFACE QUALITY: E-E PER MIL-F-48616, 2 FACES.
SURFACE ROUGHNESS: < 3nm Rq
CLEAR APERTURE: CENTRAL 83.00mm DIAMETER, 2 FACES
MATERIAL TYPE/QUALITY: SILICON, n-TYPE, OPTICAL
QUALITY. n= 3.4244+/- 0.001
@ 4.0um. HOMOGENEITY
< 1.0e-5 AT 4.0um
COATING: NONE, UNCOATED SUBSTRATE.