DIAMETER: 0.300″+/-.005″
THICKNESS: 0.040″+/-.002″ (HIGH SIDE OF WEDGE)
WEDGE ANGLE: 20 ARC MINUTES +/- 5 ARC MINUTES.
FLATNESS: 10 WAVES/INCH MAXIMUM, 2 FACES.
SURFACE FINISH: 20-10 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: RANDOM.
COATING: ANTIREFLECTIVE COATING FOR MINIMUM
REFLECTANCE PER SURFACE AT 1.37 MICRONS
WITH A NORMAL INCIDENCE ANGLE, APPLIED
TO BOTH FACES.
POLARIZATION: RANDOM.