LiTaO3 Substrate
The chemical formula of lithium tantalate is LiTaO3, lithium tantalate crystal is colorless or yellowish crystal. LiTaO3 crystal is a ferroelectric...
LiTaO3 Substrate
The chemical formula of lithium tantalate is LiTaO3, lithium tantalate crystal is colorless or yellowish crystal. LiTaO3 crystal is a ferroelectric crystal with excellent electro-optical, piezoelectric, electrical and pyroelectric properties. Use the pulling method to grow. The lithium tantalate crystal is used as a Q-switch in laser technology, as a pyroelectric detector in infrared technology, and can also be used ...
- ManufacturerOST Photonics
- CategoryCrystal Wafer and Substrate
- Lead TimeQuoted per order
- CustomizationSize, orientation and surface finish to drawing
The chemical formula of lithium tantalate is LiTaO3, lithium tantalate crystal is colorless or yellowish crystal. LiTaO3 crystal is a ferroelectric crystal with excellent electro-optical, piezoelectric, electrical and pyroelectric properties. Use the pulling method to grow. The lithium tantalate crystal is used as a Q-switch in laser technology, as a pyroelectric detector in infrared technology, and can also be used to make filters and resonators.
OST Photonics offers high quality LiTaO3 crystal substrates for researchers and industries. Crystal orientation, size and thickness can be customized according to your requirements.
Features
- Stable mechanical properties
- Stable chemical properties
- High optical damage threshold
- Good piezoelectric and pyroelectric properties
Applications
- Quasi-phase matching for SHG and OPO
- Optical modulators
- RF type SAW devices
- High frequency filters
- pyroelectric detectors
Processing Capability
- Orientation: X, Y, Z, X112Y, Y36, Y42, Y48, etc.
- Dimension: 2”, 3”, 4”, 6”, 5x5mm, 10x10mm, 20x20mm, etc.
- Thickness: 0.35mm, 0.5mm, 1.0mm, etc.
- Available items: wafers, substrates, blanks and customized optics
Specification and properties of LiTaO3 Substrates
| Crystal Structure | Trigonal, Space group R3c, Point group 3m |
| Lattice Constant | a=5.154 Å, c=13.781 Å |
| Melting Point | 1650 ℃ |
| Curie Temperature | 603 ℃ |
| Hardness | 5.5 Mohs |
| Density | 7.46 g/cm3 |
| Dielectric Constants | ε11/ε0:51.7 |
| ε33/ε0:44.5 | |
| Elastic Stiffness Coefficients | CE11:2.33(x10^11 N/m2) |
| CE33:2.77(x10^11 N/m2) | |
| Piezoelectric Strain Constants | d22:2.4(x10^-11 C/N) |
| d33:0.8(x10^-11 C/N) | |
| Transmission range | 400-4500 nm |
| Electro-optical coefficients | r33=30.4 pm/V |
| Refractive index at 632.8nm | no=2.176, ne=2.180 |
| Orientation | X, Y, Z, X112Y, Y36, Y42, Y48, etc. |
| Orientation Tolerance | ±0.25° |
| Dimension | 2”, 3”, 4”, 6”, 5x5mm, 10x10mm, 20x20mm, etc. |
| Dimension Tolerance | ±0.2 mm or better |
| Thickness | 0.35mm, 0.5mm, 1.0mm, etc. |
| Thickness Tolerance | ±0.025 mm or better |
| Surface Finish | Single side polished (SSP)/Double sides polished (DSP) |
| Roughness | Ra≤5Å |
| Package | Class 100 clean bag, Class 1000 super clean room |
Other Crystal Wafer and Substrate Materials
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