Sapphire Windows
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High durability
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Broad transmission spectrum
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Standard diameters from 10mm to 50mm
When the most durable surface is required these sapphire windows provide the best solution. Sapphire has a very high abrasion resistance and a broad transmission spectrum covering the visible and near infrared regions of the spectrum (200nm to over 2microns).
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| Size (mm) | Thickness (mm) | Material | Transmitted Wavefront | Surface Quality | Parallelism (arcmin) | Diameter tolerance | Thickness tolerance | Clear Aperture | Bevel |
|---|---|---|---|---|---|---|---|---|---|
| 10.0 | 2.0 | Sapphire | λ/4 | 40-20 | ≤3 | +0, -0.2mm | ±0.2mm | >90% | 0.2mm x 45° typical |
| 20.0 | 2.0 | Sapphire | λ/4 | 40-20 | ≤3 | +0, -0.2mm | ±0.2mm | >90% | 0.2mm x 45° typical |
| 30.0 | 2.0 | Sapphire | λ/4 | 40-20 | ≤3 | +0, -0.2mm | ±0.2mm | >90% | 0.2mm x 45° typical |
| 50.0 | 2.0 | Sapphire | λ/4 | 40-20 | ≤3 | +0, -0.2mm | ±0.2mm | >90% | 0.2mm x 45° typical |