BS-1516-Z-18-U(9.6)

CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 1.500″+.000″/-.005″
THICKNESS: 0.160″+/-.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”: ANTIREFLECTIVE COATED FOR
0.25% MAXIMUM REFLECTANCE
AT 9.60 MICRONS WITH A
45deg ANGLE OF INCIDENCE.
SURFACE “2”: NONE, UNCOATED
(WILL ACHIEVE 18.0% NOMINAL
REFLECTANCE AT 45deg)
POLARIZATION: RANDOM
MARKING: ARROW ON OD SURFACE POINTING TOWARDS
SURFACE “2”.