Sapphire Lens
ECOPTIK provides a variety of sapphire optical components, such as sapphire lens, sapphire window, sapphire mirror, sapphire cylindrical lens, sapphire prism, sapphire light guide, sapphire dome etc.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Syngony | Tetragon |
| Symmetry Class | 3m |
| Lattice Constants | a = 4.758 Å c = 12.991 Å |
| Cleavability | (1011), (1120) imperfect |
| Refractive Index at ne | 1.7771 |
| Refractive Index at nF' - nC' | 0.0107 |
| Thermal Coefficient of Refractive Index [at 3.39 microns；for ±60 °C] | βo = (0.88 ... 1.28) x 10-5 βe = (0.99 ... 1.39) x 10-5 |
| Spectral Range | 0.17 - 5.0 μm |
| Thermal Linear Expansion [for ±60 °C；⊥ to c-axis] | (3.24 ... 5.66) x 10-6 |
| Thermal Conductivity [at 46 °C；⊥ to c-axis] | 25.2 W/(m * °C) |
| Thermal Conductivity [at 46 °C；|| to c-axis] | 23.1 W/(m * °C) |
| Specific Heat Capacity | 0.7610 J/(kg * °C) × 103 J/(kg * °C) |
| Thermal Stability | 162 ±8 °C |
| Melting Point | 2030 °C |
| Molecular Weight | 101.96 |
| Solubility in water | 98 gram/100 cm3 × 1010 gram/100 cm3 |
| Refractive Index no [Wavelength 1.0μm] | 1.7545 |
| Refractive Index ne [Wavelength 1.0μm] | 1.7460 |
| Refractive Index no [Wavelength 2.0μm] | 1.7374 |
| Refractive Index ne [Wavelength 2.0μm] | 1.7299 |
| Refractive Index no [Wavelength 3.0μm] | 1.7015 |
| Refractive Index ne [Wavelength 3.0μm] | 1.6920 |
| Refractive Index no [Wavelength 4.0μm] | 1.6748 |
| Refractive Index ne [Wavelength 4.0μm] | 1.6679 |
| Internal Transmittance Ti (λ) [Wavelength 0.2μm] | 0.79 |
| Internal Transmittance Ti (λ) [Wavelength 0.5μm] | 0.97 |
| Internal Transmittance Ti (λ) [Wavelength 1.0μm] | 0.97 |
| Internal Transmittance Ti (λ) [Wavelength 3.0μm] | 0.97 |
| Internal Transmittance Ti (λ) [Wavelength 5.0μm] | 0.45 |
| Diameter [Commercial grade] | 1-300mm |
| Diameter tolerance [Commercial grade] | ±0.1mm |
| Thickness tolerance [Commercial grade] | +0/-0.1mm |
| Parallelism [Commercial grade] | <3 arc min |
| Surface quality [Commercial grade] | 60/40 |
| Surface accuracy [Commercial grade] | λ |
| Diameter [Precision grade] | 1-300mm |
| Diameter tolerance [Precision grade] | ±0.05mm |
| Thickness tolerance [Precision grade] | ±0.05mm |
| Parallelism [Precision grade] | <30 arc sec |
| Surface quality [Precision grade] | 40/20 |
| Surface accuracy [Precision grade] | λ/4 |
| Diameter [High precision grade] | 1-300mm |
| Diameter tolerance [High precision grade] | ±0.01mm |
| Thickness tolerance [High precision grade] | ±0.01mm |
| Parallelism [High precision grade] | <5 arc sec |
| Surface quality [High precision grade] | 20/10 |
| Surface accuracy [High precision grade] | λ/10 |
Applications
Key Features
Datasheet
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Supplier Information
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