RMI Standard Specifications |
Materials: |
BK7, UVFS, FS,
CaF2,
Si, Cu, Mo,
Supremax 33, Zerodur
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Angle of Incidence: |
0º or 45º |
Surface Figure: BK7, UVFS, FS:
CaF2:
Si, Cu, Mo: Supremax 33, Zerodur:
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Plano [Concave/Convex] λ/20 [λ/10] at 633 nm
λ/4 [λ/2] at 633 nm
λ/40 [λ/20] at 10.6 µm λ/20 [λ/10] at 633 nm
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Surface Quality: BK7, UVFS, FS: CaF2:
Si, Cu, Mo:
Supremax, Zerodur:
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Find Grind, S2
10-5 (S1)
20-10 (S1)
40-20 (S1) 10-5 (S1)
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Diameter Tolerance: |
+ 0.000", – 0.010" |
Thickness Tolerance: |
± 0.010" |
Radius Tolerance: |
± 0.5% |
Wedge: |
≤ 3 arc minutes |
Bevels: |
0.02" at 45º typical |
Clear Aperture: |
Central 85% of diameter |
Reflectance: |
± 0.5% |
Broadband RMAX:
|
Ravg > 99% at 0º
Ravg > 98.5% at 45º
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[Note: Thicknesses listed are exact for plano/plano substrates. For plano/concave and plano/convex substrates, center thickness (CT) depends on the radius of curvature.]
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