CONFIGURATION: DISC, PLANE-WEDGED
DIAMETER: 25.00mm + 0.00mm /- 0.10mm
EDGE THICKNESS: 8.00mm +/- 0.50mm (HIGH SIDE)
WEDGE ANGLE: 30 ARC MINUTES +/- 10 ARC MINUTES
EDGE BEVEL: 0.50mm X 45deg MAXIMUM, 2 SIDES
SURFACE QUALITY: 20-10 OVER THE CENTRAL 5.0 mm
DIAMETER & 30 ANGSTROMS MAXIMUM, 2 SIDES
SURFACE ACCURACY: 0.1 FRINGE MAXIMUM, 2 SIDES
TRANSMITTED WAVEFRONT: 1/40 WAVE OVER CLEAR
APERTURE AT 9.0 TO 9.2 MICRONS.
MATERIAL TYPE/QUALITY: ZINC SELENIDE, LASER GRADE
COATING: NONE, NOT REQUIRED