BC-2020-FS-SPF

CONFIGURATION: PLANE-PARALLEL
DIAMETER: 2.000″+.000″/-.005″
THICKNESS: 0.200″+/-.010″
PARALLELISM: 3 ARC MINUTES MAXIMUM.
FLATNESS: 1/2 WAVE MAXIMUM 0.633um, 2 FACES.
SURFACE QUALITY: SURFACE”1″: 40-20 PER MIL-O-13830
SURFACE”2″: 80-50 PER MIL-O-13830
MARKING: ARROW LOCATED ON OD POINTING TOWARDS
SURFACE “1” FACE.
MATERIAL: FUSED SILICA, STANDARD OPTICAL GRADE.
COATING: SURFACE “1”: SHORT PASS FILTER COAT FOR
REFLECTANCE AT 10.6 MICRONS AND > 60.0%
TRANSMISSION FROM 450 TO 650 NANOMETERS,
BOTH WITH A 45deg INCIDENCE ANGLE.
SURFACE “2”: BROAD-BAND ANTIREFLECTIVE
COAT FOR MAXIMUM TRANSMISSION IN THE
VISIBLE REGION WITH A 45deg INCIDENCE
ANGLE.