Ferroelectric Material Lithium Niobate Crystal For Optical Communication
Ferroelectric Material Lithium Niobate Crystal For Optical Communication
LiNbO3 Lithium Niobate crystal For Optical Communication
Introduction:
Lithium niobate is an inorganic substance with the chemical formula LiNbO3. It is a negative crystal and a ferroelectric crystal. The polarized lithium niobate crystal has multiple properties such as piezoelectric, ferroelectric, optoelectronics, nonlinear optics, and pyroelectricity. material with a photorefractive effect. Lithium niobate crystal is one of the most widely used new inorganic materials.
It is a good piezoelectric transducer material, ferroelectric material, and electro-optical material. As an electro-optical material, lithium niobate plays an optical modulation role in optical communication. Its single crystals are important materials for piezoelectric sensors, optical modulators, and various other linear and nonlinear optical applications.
Advantages:
- Wide transparency range,
- High electro-optic and nonlinear optic coefficients,
- Very high electromechanical coupling coefficients
- Chemical and mechanical stability.
Specifications:
| Growth method | Czochralski |
| Crystal structure | Trigonal system |
| Transparency Range | 420-5200nm |
| Lattice constant | a=b=5.148Å c=13.863 Å |
| Melting point | 1250℃ |
| Curie temperature | 1142 ℃ |
| Density | 4.64 g/cm3 |
| Hardness | 5 Mohs |
| Refractive index | No=2.286 ne=2.203 (632.8nm) |
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