BK7 SUBSTRATES
Mirror specifications:
Diameter Tolerance: +0/-0.25mm Thickness Tolerance: +/-0.25mm, front surface: λ/10 flatness, 10-5 scratch-dig, rear surface: inspection polish, better than 5 arc min parallel,
Window specifications:
Diameter Tolerance: +0/-0.25mm Thickness Tolerance: +/-0.25mm, λ/10 transmitted wavefront distortion, both sides 10-5 scratch-dig, better than 10 arc sec parallel
Wedged Optics have a 30arc min (+/-5 arc min) wedge, thickness specified for thick side
BK7 MIRROR SUBSTRATES |
DIAMETER (D) |
THICKNESS (T) |
BK7-FMR-12.7-6.35 |
12.7mm |
6.35mm |
BK7-FMR-25.4-6.35 |
25.4mm |
6.35mm |
BK7-FMR-38.1-9.52 |
38.1mm |
9.52mm |
BK7-FMR-50.8-9.52 |
50.8mm |
9.52mm |
BK7-FMR-76.2-12.7 |
76.2mm |
12.7mm |
BK7-FMR-101.6-12.7 |
101.6mm |
12.7mm |
BK7-FMR-152.4-25.4 |
152.4mm |
25.4mm |
BK7-WMR-25.4-6.35-30MIN |
25.4mm |
6.35mm |
BK7-WMR-50.8-9.52-30MIN |
50.8mm |
9.52mm |
BK7 WINDOW SUBSTRATES |
DIAMETER (D) |
THICKNESS (T) |
BK7-FWD-12.7-6.35 |
12.7mm |
6.35mm |
BK7-FWD-25.4-6.35 |
25.4mm |
6.35mm |
BK7-FWD-38.1-9.52 |
38.1mm |
9.52mm |
BK7-FWD-50.8-9.52 |
50.8mm |
9.52mm |
BK7-FWD-76.2-12.7 |
76.2mm |
12.7mm |
BK7-FWD-101.6-12.7 |
101.6mm |
12.7mm |
BK7-FWD-152.4-25.4 |
152.4mm |
25.4mm |
BK7-WWD-25.4-6.35-30MIN |
25.4mm |
6.35mm |
BK7-WWD-50.8-9.52-30MIN |
50.8mm |
9.52mm |