Performance Specifications |
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Parameter |
Specifications |
Material |
BK7, K9, Grade A, fine annealed, or as specified |
Dimensions |
± 0.2mm |
Angular Deviation |
± 3 arc minutes |
Flatness |
l/2
at 632.8nm |
Clear Aperture |
80% of the surface size |
Scratch and dig |
60-40, 40-20, up to 10-5 upon request |
Bevel Width |
Slightly protective bevel or sharp edge |
AR Coating |
MgF2, visible wavelength, or as specified |
Customeized Specs |
Available upon request as per drawing |
Spectral Chart |
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