TM-2012-FS-DBMR(Y-HeNe)

CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 2.000″+.000″/-.005″
THICKNESS: 0.120″+/-.010″
PARALLELISM: 5 ARC MINUTES MAXIMUM
FLATNESS: 1/4 WAVE MAXIMUM AT 0.633 MICRONS,
2 FACES.
SURFACE QUALITY: SURFACE”1″: 20-10 SCRATCH/DIG
SURFACE”2″: 80-50 SCRATCH-DIG
MATERIAL TYPE/QUALITY: FUSED SILICA, STD.OPTICAL
COATING: DUAL BAND MIRROR REFLECTIVE COATING FOR
99.5% MINIMUM REFLECTANCE AT 1.06 MICRONS
AND ALSO 80.0% MINIMUM REFLECTANCE AT
0.633 MICRONS WITH A 45deg INCIDENCE
ANGLE, APPLIED TO SURFACE “1”.
MARKING: ARROW ON OD SURFACE POINTING TOWARDS
SURFACE “1”.