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VUV OPTICAL FILTER SPECIFICATIONS
Substrate Material : VUV Grade MgF2 &
VUV Grade CaF2 crystals, Crystal Quartz
Diameter (Ø) Tolerance: ± 0.25mm
Thickness: ~2.5 - 3.0mm
Surface Quality: <=40-20 scratch-dig
Parallelism: <=10 arc minutes or better
Clear Aperture: central 80%
Edge Chamfer: ~0.5mm x 45 degrees
Filter FWHM: FNB = ~ 20nm
Filter Blocking: 10-3 to 10-4 X-ray to FIR
Construction: Unmounted and Open-Faced;
>170nm can be covered (contact us)
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