CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 0.500″+.000″/-.010″
OD FLAT: NONE
THICKNESS: 0.022″ NOMINAL TO YIELD RETARDATION TOL
PARALLELISM: 2 ARC SECONDS MAXIMUM.
T.W.E: 1/10 WAVE MAXIMUM AT 632.8nm.
RETARDATION TOLERANCE: +/- 1/1200 WAVE
CLEAR APERTURE: CENTRAL 85% OF DIAMETER FACES.
MATERIAL TYPE/QUALITY: SAPPHIRE, OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: M-PLANE
COATING: ANTIREFLECTIVE “V” COAT FOR MAXIMUM
TRANSMISSION AT 3.388 MICRONS WITH A
NORMAL INCIDENCE ANGLE, APPLIED TO
BOTH FACES.