CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 0.375″+.000″/-.005″
THICKNESS: 0.120″+/-.010″
PARALLELISM: 3 ARC MINUTES MAXIMUM.
FLATNESS: 1/40 WAVE MAXIMUM @ 10.6u, 2 FACES.
SURFACE FINISH: 40-20 PER MIL-O-13830, 2 FACES.
MATERIAL TYPE/QUALITY: CVD ZINC SELENIDE, LASER
GRADE.
COATING: SURFACE “1”: 95.0% +/- 2.0% REFLECTANCE
FROM 10.20 MICRONS TO
10.80 MICRONS WITH A NORMAL
INCIDENCE ANGLE.
SURFACE “2”: ANTIREFLECTIVE COATED FOR
0.25% MAXIMUM REFLECTANCE
FROM 10.20 MICRONS TO
10.80 MICRONS WITH A NORMAL
INCIDENCE ANGLE.
MARKING: ARROW ON OD SURFACE POINTING TOWARDS
SURFACE “1”.