CONFIGURATION: DISC, PLANO/CONVEX
DIAMETER: 19.05mm + 0.00mm /- 0.25mm
CENTER THICKNESS: 3.15mm +/- 0.20mm
EDGE THICKNESS: 3.00mm REF.
EDGE BEVEL: PROTECTIVE BEVEL, 2 PLACES.
SPHERICAL RADIUS: 301.86mm +/- 0.50mm CONVEX
FOCAL LENGTH: 672.00 mm +/- 1.0% AT 1064nm.
CENTERING ERROR: 3 ARC MINUTES MAXIMUM.
CLEAR APERTURE: CENTRAL 90% OF DIAMETER.
SURFACE ACCURACY: 1/4 WAVE MAXIMUM, 2 FACES.
SURFACE QUALITY: 20-10 PER MIL-O-13830, 2 FACES.
MATERIAL TYPE/QUALITY: FUSED SILICA, OPTICAL
GRADE.
COATING: ANTIREFLECTIVE COATED FOR MAXIMUM
TRANSMISSION @ 1064nm WITH A NORMAL
INCIDENCE ANGLE, APPLIED TO BOTH FACES.