BC-2020-Z-AR-U(633)

CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 2.000″+.000″/-.005″
THICKNESS: 0.200″+/-.010″
PARALLELISM: 5 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” AND SURFACE “2” COATED FOR
>98.7% AVERAGE TRANSMISSION AT 10.6
MICRONS WITH A 45 DEGREE ANGLE OF
INCIDENCE.
SURFACE “2” COATED FOR >90.0% AVERAGE
REFLECTANCE AT 0.633 MICRONS WITH A
45 DEGREE ANGLE OF INCIDENCE.
MARKING: ARROW ON OD SURFACE POINTING TOWARDS
SURFACE “2”.