BC-2020-Z-AR-U / 162385Rev.P01

CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 2.000″+.000″/-.005″
THICKNESS: 0.200″+/-.005″
PARALLELISM: 1 ARC MINUTE MAXIMUM
FLATNESS: 1/10 WAVE MAXIMUM @ 10.6um, 2 FACES.
SURFACE FINISH: 60-40 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: ZINC SELENIDE, LASER
GRADE.
COATING: SURFACE “1” AND SURFACE “2” COATED FOR
> 99.0% AVERAGE TRANSMISSION AT 10.6
MICRONS WITH A 10 DEGREE ANGLE OF
INCIDENCE.
SURFACE “2” COATED FOR > 85.0% AVERAGE
REFLECTANCE AT 0.650 MICRONS WITH A
10 DEGREE ANGLE OF INCIDENCE.
MARKING: ARROW & “650 R” ON OD SURFACE POINTING
TOWARDS SURFACE “2”.