High Curie point Z-Cut LiTaO3 wafer for Pyroelectric Sensors
LiTaO3 is an E-O crystal widely used for E-O devices, due to its good optical NLO and E-O properties, as well as high damage threshold. Crystro supplies high quality LiTaO3 boules and wafers with the following specifications for standard applications. We can also offer other specifications upon request.
Crystro's LiTaO3 lithium tantalate crystal has >99.99% purity, high-quality lithium tantalate bulk crystals, wafers and substrates
LiTaO3 crystal is grown by Czochralski method.Max diameter reach 4inch,rougness<0.5nm.we can adjust Curie temperature accordding to request.
Anhui Crystro participate in the kinds exhibitions every year: Laser World of Photonics Munich, Shanghai, Photonics West in San Francisco, CIOE in Shenzhen, etc.
Crystro provides:
- Excellent photoelectric property
- High Damage Threshold
- High Curie Temperature
Basic Properties of LiTaO3:
| Crystal Structure | Trigonal, Space group R3c, Point group 3m |
| Cell Parameters | a=5.154Å,c=13.781Å |
| Melting Point | 1650℃ |
| Curie Temperature | 607℃ |
| Mohs Hardness | 5.5 |
| Density | 7.46g/cm3 |
| Dielectric Constants | ε11/ε0:51.7 |
| ε33/ε0:44.5 |
| Elastic Stiffness Coefficients | CE11:2.33(×1011N/m2) |
| CE33:2.77(×1011N/m2) |
| Piezoelectric Strain Constants | d22:2.4(×10-11C/N) |
| d33:0.8(×10-11C/N) |
| Transmission range | 400-4500nm |
| Electro-optical coefficients | r33=30.4pm/V |
| Refractive index at 632.8nm | no=2.176,ne=2.180 |
Typical Specifications:
Crystal orientations available: Z-cut, X-cut, Y-cut
Typical product sizes available
Bulk crystals:
up to 4 inch diameter and 50 mm thick
Crystal substrates / wafers (single side or double side polished)
10 x 10 x 0.5 mm
2 inch diameter x 0.5mm thick
4 inch diameter x 0.5mm thick
Note: Other sizes and coatings are available upon request.
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High Curie Point Z Cut E-O LiTaO3 Wafer For Pyroelectric Sensors Images
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