CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 70.00mm + 0.00mm /- 0.12mm
MARKING: SMALL OD FLAT INDICATING THE PROJECTION
OF THE C-AXIS.
THICKNESS: 4.9mm NOMINAL TO YIELD RETARDATION TOL.
EDGE BEVEL: 0.13mm MAXIMUM X 45deg, 2 PLACES.
RETARDATION: 19 LAMBDA/2
RETARDATION TOLERANCE: LAMBDA/1000
SURFACE QUALITY: 60-40 PER MIL-O-13830, 2 FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: M-PLANE
COATING: ANTIREFLECTIVE COATING FOR 0.50% MAXIMUM
REFLECTANCE PER SURFACE FROM 3.0 TO 5.0
MICRONS WITH A NORMAL INCIDENCE ANGLE,
APPLIED TO BOTH FACES.