CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 1.9685″+.0000″/-.0039″
THICKNESS: 0.1181″+/-.0019″
OD FLAT WIDTH: 0.515″ +/-.050″
OD FLAT LOCATION: RANDOM.
PARALLELISM: 3 ARC MINUTES MAXIMUM.
SURFACE ACCURACY: 2 WAVES MAXIMUM @ 633um, 2 FACES
SURFACE FINISH: 40-20 PER MIL-PRF-13830, 2 FACES.
MATERIAL TYPE/QUALITY: GERMANIUM, SINGLE CRYSTAL,
OPTICAL GRADE.
COATING: NONE, NOT REQUIRED.