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| High Transmission Silicon |
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High Transmission Silicon |
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| -Material solutions for high quality components and instrumentation |
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Topsil is the world leading supplier of high purity, high transmission silicon (Optical grade and HiTran) for a number of infrared (IR) applications. Focus on R&D at Topsil have resulted in products with the highest purity and thus the best transmission properties at IR wavelengths above 1µm. High transmissivity components are key components in all IR instruments. High transmission is essential to keep signal-to-noise ratios at acceptable levels and is essential to building blocks of different wavelength selective devices.
Topsil offers Float Zone Optical Grade and HiTran material with the listed parameters. Other parameters than those in the table are possible on request.
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| Topsil: Float Zone Optical Grade and HiTrans Silicon Download Brochure |
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| Growth Method: |
Monocrystalline Float Zone, Optical Grade, HiTran (Polycrystalline avail.) |
| Crystalline Form:: |
<1-0-0>, <1-1-1>, ±0.5° |
| Transmission |
| > 50% (30 - 10,000 nanometers) |
| 20-50% (6.7 - 10 nanometers) |
| > 50% (1 - 6.7 nanometers) |
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| Diameter: |
100mm - 200mm |
| Shapes: |
Ingot, Spheres, Flats, Wedges, Bullets, Blanks |
| Surface Finishes: |
As-cut to Polished (electronic grade) |
| Oxygen and Carbon Concentration: |
<1016 cm-3 |
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