10x10 mmt Tellurium Oxide TeO2 Crystals , Crystal Wafer Substrate TeO2
TeO2 is an excellent ascousto-optic (AO) crystal with high AO figure of merit,
birefringence, good optical rotation and slow propagation velocity along
[110] direction. The resolution of AO devices made of TeO2 crystals will increase
several levels than others. It is an ideal single crystal material for preparation of
AO rotators, modulators, resonators, tuning filters and other AO devices.
The TeO2 crystal can be used in the field of astronomy, laser publishing, laser recorder and so on.The application filed of TeO2 crystal
is huge. We can provide TeO2 crystal at size of 120 X 80 X 40mm3 on all direction,
as well as cylinder or cuboid shape single crystals
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Physica Properties
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Crystal Structure
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Tetragonal
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Point Group
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422
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Lattice Parameter )nm)
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a 0.4810
c 0.7613 |
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Density
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5.99 g/cm3
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Melting Point
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730℃
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Mohs Hardness
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4.5
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Transparency Range (nm)
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350 ~ 500
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Gradient of Refractive Index(?0-15)/cm
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≤ 5
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Refractive Index
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no = 2.260
n3 = 2.142 |
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Transmittivity
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70%@632.8nm
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Phase Velocity (m/s)
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616
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Photo-elastic Coefficient
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P11=0.074 P13=0.340 P31=0.091 P33=0.240
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Figure of Merit( ?0-18S3)/g
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M2 793
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| sound velocitykm/sec) | 0.617 for shear wave along <110> 4.26 for longitudinal wave along <001> |
| Sound and light quality factors (10-18 sec3/g) | 1200 for shear mode along <110> 34.5for longitudinal mode along <001> |
Introduction
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