TeO2
TeO2 is an acousto-optic material with a high figure of merit, good birefringence and optical activity, and slow acoustic propagation along [110]. At the same clear aperture, acousto-optic devices made from TeO2 single crystals can improve resolution by an order of magnitude, with fast response, low drive power, high diffraction efficiency, and stable, reliable performance.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Density | 6 g/cm³ |
| Melting Point | 733 ℃ |
| Mohs Hardness | 4 |
| Colors | Colorless |
| Transparency band | 330-5000 nm |
| Transmittance [632.8nm] | >70 % |
| Refractive Index no [632.8nm] | 2.274 |
| Refractive Index ne [632.8nm] | 2.430 |
| Thermal Conductivity | 30 mw/cm℃ |
| Acoustic Velocity [shear wave along <110>] | 0.617 km/s |
| Acoustic Velocity [longitudinal wave along <001>] | 4.26 km/s |
| Acousto-optic figure of merit [shear mode along <110>] | 1200 10-18 sec3/g |
| Acousto-optic figure of merit [longitudinal mode along <001>] | 34.5 10-18 sec3/g |
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