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Sapphire (Al2O3) Windows SKU: 550-7503
• The hardest of the oxide crystals • Excellent transparency and thermal properties • Chemically inert and insoluble • Can be safely made much thinner than windows from glass or other crystals Single crystal sapphire combines excellent optical, physical and chemical…
Variant specifications
| Specification | Value |
|---|---|
| Diameter | ø 50.0 mm |
| Thickness | 3 mm |
| Group | Sapphire (Al2O3) Windows |
Shared product specifications
These specifications apply across the Sapphire (Al2O3) Windows product family.
Specifications
| Material | Al₂O₃ |
| Surface quality | 60-40 scratch & dig (MIL-PRF-13830B) |
| Clear aperture | 80% of diameter |
| Diameter tolerance | +0.0-0.13 mm |
| Thickness tolerance | ±0.2 mm |
| Parallelism | 3 arcmin |
| Flatness | 1λ per inch @ 633 nm |
| Orientation | C-cut |
Physical Properties
| Crystal type | Hexagonal |
| Density, g / cm3 | 3.98 |
| Melting point, °C | 2040 |
| Refractive index @ 0.3 µm | n = 1.814 |
| Refractive index @ 5 µm | n = 1.623 |
| Transmission band [µm] | 0.15-6 |
Classification
| Wavelength | UV|IR |
Product brochures
Shared documentation for the complete product family.