LENGTH & WIDTH TOLERANCE: +/-0.05MM
THICKNESS TOLERANCE: +/-0.05MM
PARALLELISM: 3 ARC MINUTES MAXIMUM.
FLATNESS: 1 WAVE AT 633nm, 2 ENDS AND SIDES.
1/2 WAVE AT 633nm, 2 FACES.
SURFACE FINISH: 60-40 OR BETTER ALL SURFACES.
MATERIAL QUALITY: OPTICAL GRADE.
CRYSTALLOGRAPHIC ORIENTATION: (0001).
COATING: NONE