ERCC-0508-Z-1.5-99

CONFIGURATION: DISC, PLANO-CONCAVE (1.5 METER)
DIAMETER: 0.500″+.000″/-.005″
EDGE THICKNESS: 0.080″+/-.005″
WEDGE ERROR: 3 ARC MINUTES MAXIMUM
SPHERICAL RADIUS: 1.50 METERS +/- 0.0075 METER
SURFACE ACCURACY: 1/40 WAVE MAXIMUM @ 10.6um.
SURFACE FINISH: 40-20 SCRATCH-DIG PER MIL-O-13830.
MATERIAL TYPE/QUALITY: ZINC SELENIDE, LASER GRADE.
COATING: CONCAVE FACE: PARTIAL REFLECTIVE COATING
FOR 99.0% +/- 0.25% REFLECTANCE AT
10.60um WITH A NORMAL INCIDENCE ANGLE.
PLANO FACE: ANTIREFLECTIVE COATED FOR
0.25% MAXIMUM REFLECTANCE AT 10.60um
WITH A NORMAL INCIDENCE ANGLE.
MARKING: ARROW ON OD SURFACE POINTING TOWARDS
CONCAVE FACE.