ER-0513-FS-MR(Y)

CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 0.500″+.000″/-.005″
THICKNESS: 0.125″+/-.005″
PARALLELISM: 3 ARC MINUTES MAXIMUM.
FLATNESS: 1/4 WAVE MAXIMUM @ 0.633um, 2 FACES.
SURFACE FINISH: 20-10 PER MIL-O-13830, 2 FACES.
MATERIAL TYPE/QUALITY: FUSED SILICA, STANDARD
OPTICAL GRADE.
COATING: SURFACE “1”: 99.7% MINIMUM REFLECTANCE
AT 1.064 MICRONS WITH A
NORMAL INCIDENCE ANGLE.
SURFACE “2”: NONE, UNCOATED.
MARKING: ARROW ON OD SURFACE POINTING TOWARDS
SURFACE “1”.