OCCC-1524-Z-20M-85

CONFIGURATION: DISC, PLANO-CONCAVE (20 METER)
DIAMETER: 1.500″+.000″/-.005″
THICKNESS: 0.236″+/-.005″
WEDGE ERROR: 3 ARC MINUTES MAXIMUM
SURFACE ACCURACY: 1/40 WAVE MAXIMUM @ 10.6u.
SURFACE FINISH: 40-20 PER MIL-O-13830, 2 FACES.
MATERIAL TYPE/QUALITY: CVD ZINC SELENIDE, LASER
GRADE.
COATING: SURFACE “1”: 85.0% +/- 2.0% REFLECTANCE
(CONCAVE) AT 10.60 MICRONS WITH A
NORMAL INCIDENCE ANGLE.
SURFACE “2”: ANTIREFLECTANCE COAT FOR
(PLANO) 0.50% MAXIMUM REFLECTANCE
AT 10.60 MICRONS WITH A
NORMAL INCIDENCE ANGLE.