CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 12.00 +/- 0.05mm
OD FLAT: 5.65mm FROM THE CENTER OF THE PART.
THICKNESS: 0.55mm TO YIELD RETARDATION TOL.
PARALLELISM: 2 ARC SECONDS MAXIMUM.
T.W.E: 1/8 WAVE MAXIMUM AT 632.8nm OVER CA.
RETARDATION TOLERANCE: +/- 1/500 WAVE
CLEAR APERTURE: CENTRAL 10.50 mm OF DIAMETER.
SURFACE FINISH: 40-20 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QULAITY: SAPPHIRE, OPTICAL GRADE,
CSI HEMLITE ONLY.
CRYSTALLOGRAPHIC ORIENTATION: M-PLANE
COATING: ANTIREFLECTIVE “V” COAT FOR MAXIMUM
TRANSMISSION AT 1.319 MICRONS WITH A
NORMAL INCIDENCE ANGLE, APPLIED TO
BOTH FACES. SEE DRAWING FOR TEST DATA
REQUIRED.