DIAMETER: 1.000″+.000″/-.010″
THICKNESS: 0.375″+/-.010″
PARALLELISM: 30 ARC SECONDS MAXIMUM.
EDGE BEVEL: 0.040″+/-.005″ X 45deg, 1 PLACE.
0.010″NOMINAL X 45deg, 1 PLACE.
FLATNESS: 1/20 WAVE MAXIMUM, 2 FACES.
SURFACE FINISH: 10-5 PER MIL-O-13830, 2 FACES.
MARKING(S): ARROW ON OD POINTING TOWARDS SURFACE
“1” (LARGE EDGE BEVEL FACE).
MATERIAL TYPE/QUALITY: FUSED SILICA, DYNASIL 1000
or EQUIVALENT.
COATING: SURFACE”1″: NONE, UNCOATED.
SURFACE”2″: COATED FOR >99.0% REFLECTANCE
FROM 500nm TO 520nm AND ALSO 80.0% to
95.0% TRANSMISSION AT 633nm WITH A
NORMAL INCIDENCE ANGLE.
DAMAGE THRESHOLD: 6 J/cm2 @ 400 nsec,
510 NANOMETERS.