TM-1025-BK-DBMR(CV/HeNe)

CONFIGURATION: DISC, PLANE-PARALLEL
DIAMETER: 1.000″+.000″/-.005″
THICKNESS: 0.120″+/-.010″
PARALLELISM: 3 ARC MINUTES MAXIMUM.
FLATNESS: 1/2 WAVE MAXIMUM AT 0.633u, 20-10 FACE.
SURFACE QUALITY: 20-10 SCRATCH-DIG, 1/2 WAVE FACE
BACK FACE POLISHED 80-50.
MATERIAL: BK-7 GLASS, GRADE A, FINE ANNEALED.
MARKING: ARROW ON OD SURFACE POINTING TOWARDS
COATED FACE.
COATING: DUAL BAND MAXIMUM REFLECTIVE COATING FOR
> 99.50% REFLECTANCE AT 510nm AND 578nm,
AND ALSO > 90.0% REFLECTANCE AT 633nm,
ALL WITH A INCIDENCE ANGLE OF 45 DEGREES,
APPLIED TO 1 FACE. (1/2 WAVE FACE).