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| | Edge Filters on Ge, Si, ZnSe |
| Infrared Optics>>>Edge Filters on Ge, Si, ZnSe | 
Specifications | Substrate | ZnSe, Si, Ge | Flatness | <λ/20 per 25mm @ 10.6μm | Transmission front distortion | λ/10 per 25mm @ 10.6μm | Surface Quality | 40-20 | Centration | 3-5 arc mins | Dimension tolerance | +0.0/-0.20mm | Thickness tolerance | ± 0.2mm |
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