OCCCCX-2020-Z-20 1.5-18

CONFIGURATION: DISC, CONCAVE/CONVEX
DIAMETER: 2.000″+.000″/-.005″
CENTER THICKNESS: 0.200″+/-.010″
WEDGE ERROR: 3 ARC MINUTES MAXIMUM
CONCAVE SPHERICAL RADIUS: 20 METER +/- 0.5%
CONVEX SPHERICAL RADIUS: 1.5 METER +/- 0.5%
SURFACE ACCURACY: 1/40 WAVE MAXIMUM @ 10.6um.
SURFACE QUALITY: 40-20 SCRATCH-DIG PER MIL-0-13830
MATERIAL TYPE/QUALITY: CVD ZnSe, LASER GRADE
COATING: SURFACE “1”(CONCAVE): UNCOATED, WILL
ACHIEVE 18% NOMINAL REFLECTANCE AT 10.6
MICRONS, WITH A NORMAL INCIDENCE ANGLE.
SURFACE “2”(CONVEX): ANTIREFLECTIVE
COATED FOR 0.25% MAXIMUM REFLECTANCE
AT 10.6 MICRONS WITH A NORMAL INCIDENCE
ANGLE.
MARKING: ARROW ON OD SURFACE POINTING TOWARDS
SURFACE “1”.