BCM-2505-BK7-SPF

CONFIGURATION: PLANE-PARALLEL
DIAMETER: 25.00mm + 0.00mm /- 0.10mm
THICKNESS: 5.00mm +/- 0.25mm
PARALLELISM: 3 ARC MINUTES MAXIMUM.
FLATNESS: 1/40 WAVE AT 10.6u, 1 FACE (40-20 S/D)
SURFACE QUALITY: 40-20 PER MIL-O-13830, 1 FACE.
80-50 PER MIL-O-13830, 1 FACE.
MARKING: ARROW LOCATED ON OD POINTING TOWARDS
40-20 SURFACE AND 1/40 WAVE FLAT SURFACE.
MATERIAL: SCHOTT BK-7, GRADE A, FINE ANNEALED.
COATING: SHORT PASS FILTER COAT FOR 98.0% MINIMUM
REFLECTANCE AT 10.6 MICRON AND 50.0%
MINIMUM TRANSMISSION AT 0.633 MICRONS,
BOTH WITH A 45deg INCIDENCE ANGLE,
APPLIED TO 1/40 WAVE FLAT FACE.