DIAMETER: 0.500″+/-.002″
THICKNESS: 0.020″+/-.002″
PARALLELISM: 5 ARC MINUTES MAXIMUM.
EDGE BEVEL: LIGHT CHEM.POLISH ROLL, 2 PLACES
SURFACE ACCURACY: 10 WAVES MAXIMUM T.W.E, 2 FACES.
SURFACE QUALITY: 20-10 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: RANDOM
COATING: ANTIREFLECTIVE COAT FOR < 0.3% RELECTANCE
PER SURFACE FROM 790nm TO 1000nm WITH A
NORMAL +/- 13 DEG INCIDENCE ANGLE,
APPLIED TO BOTH FACES.
POLARIZATION: “s” AND “p” POLARIZATION.
DAMAGE THRESHOLD: (CW) > 10kW/cm2
COATING APERTURE: CENTRAL 0.400″ MINIMUM DIAMETER,
BOTH FACES.