Calcium Fluoride Windows
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Specifications
| Normal | High Precision | Mfg. Limit | |
| Material: | Calcium Fluoride | Calcium Fluoride | Calcium Fluoride |
| Wavefront Distortion: | ¦Ë/2 at 632.8nm over the clear aperture | ¦Ë/4 at 632.8nm over the clear aperture | ¦Ë/10 at 632.8nm over the clear aperture |
| Clear Aperture: | >=central 80% of diameter | >=central 85% of diameter | >=central 90% of diameter |
| Surface Quality: | 85-50 scratch-dig | 60-40 scratch-dig | 40-20 scratch-dig |
| Parallelism: | 1 arc minute | 30 arc seconds | 5 arc seconds |
| Diameter: | +0/-0.15mm | +0/-0.1mm | +0/-0.1mm |
| Thickness : | +/-0.25mm | +/-0.1mm | +/-0.05mm |
| Bevel: | <0.5mm¡Á45¡ã | <0.3mm¡Á45¡ã | <0.3mm¡Á45¡ã |
| Part No | ¦µ(mm) | T(mm) |
| WIN0101 | 10.0 | 4 |
| WIN0102 | 12.7 | 4 |
| WIN0103 | 15 | 4.5 |
| WIN0104 | 15 | 5 |
| WIN0105 | 25 | 5 |
| WIN0106 | 25.4 | 6.35 |
| WIN0107 | 25.4 | 7.5 |
| WIN0108 | 25.4 | 8 |
| WIN0109 | 30 | 8 |
| WIN0110 | 50 | 8 |
| WIN0111 | 50.8 | 8 |
| WIN0112 | 50.8 | 9.5 |
| WIN0113 | 50.8 | 10 |