Products: Standard Filter Substrates
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Acton’s filter substrates are made from select grades of the finest available optical materials.
Filter substrates are qualified for transmission requirements down to 120 nm. |
Filter Substrates
| Part Number | Diameter | Thickness | Substrate Material |
|---|---|---|---|
| WFS-.5D (WCF-, WMF-) | 0.5” (12.7mm) | 0.079” (2mm) | UV Fused Silica, CaF2, MgF2 |
| WFS-1D (WCF-, WMF-) | 1.0” (25.4mm) | 0.098” (2.5mm) | UV Fused Silica,CaF2, MgF2 |
| WFS-1.5D (WCF-, WMF-) | 1.5” (38.1mm) | 0.200” (5mm) | UV Fused Silica, CaF2, MgF2 |
| WFS-2D (WCF-, WMF-) | 2.0” (50.8mm) | 0.157” (4mm) | UV Fused Silica, CaF2, MgF2 |
NOTE: WFS= UV Fused Silica, WCF = CaF2, WMF = MgF2 | 2“ Diameter CaF2 and MgF2 Filter Substrates are 5mm Thick
Specifications
| Material | Material: UV Laser Grade Fused Silica UV Grade Fused Silica, CaF2, MgF2 |
| Diameter Tolerance | +0.00/-0.005” |
| Thickness Tolerance | +/-0.25mm |
| Surface Figure | Both sides: < 2 Waves @ 632.8nm |
| Parallelism | 3 arc min |
| Scratch/Dig | 20-10 |
| Chamfer | 0.5mm x 45° |
| Clear Aperture | Central 85% |
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