acousto-optical crystal
TeO2
TeO2are widely used as acousto-optic modulators because of their high acousto-optic figure of merit. chemical formula ..

chemical formula
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TeO2
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Density (g/cm3)
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6
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Melting point (℃)
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733
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Mohs hardness(Mohs)
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4
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Colour
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Transparent (colorless)
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Transmission band (mm)
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0.33~5.0
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Light transmittance @ 632.8 nm
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> 70%
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The refractive index @ 632.8 nm
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ne = 2.411; no = 2.258
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Coefficient of thermal conductivity(mW/cm·℃)
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30
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Sound velocity (km/s)
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0.617 for shear wave along <110>
4.26 for longitudinal wave along <001>
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Sound and light quality factors(10-18 sec3/g)
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1200 for shear wave along <110>
34.5 for longitudinal wave along <001>
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