SILICON MIRROR R6M 15.6DX4mm

CONFIGURATION: DISC, PLANO-CONCAVE
DIAMETER: 15.60mm + 0.00mm /- 0.05mm
EDGE THICKNESS: 4.00mm +/- 0.20mm
EDGE BEVEL: 0.20mm +/- 0.10mm X 45deg, 2 PLACES.
WEDGE ERROR: 6 ARC MINUTES MAXIMUM.
SPHERICAL RADIUS: 6.0 METERS +/- 1.0 METER
SURFACE ACCURACY: POWER: 1/2 WAVE MAXIMUM @ 633nm
IRREG: 1/4 WAVE MAXIMUM @ 633nm
CLEAR APERTURE: CENTRAL 14.60mm MINIMUM DIAMETER.
SURFACE FINISH: 40-20 PER MIL-PRF-13830, POLISHED
CONCAVE FACE.
FINE GROUND PLANO FACE.
MATERIAL TYPE/QUALITY: SILICON, SINGLE CRYSTAL,
MIRROR GRADE.
COATING: HIGHLY ENHANCED SILVER COATING FOR
99.80% MINIMUM RELFECTANCE AT 10.60um
WITH A NORMAL INCIDENCE ANGLE, APPLIED
TO CONCAVE FACE.
SEE DRAWING FOR ALL OTHER SPECIFICATIONS.