Piezoelectric LiNbO3 Lithium Niobate Crystal For SAW Filter
LiNbO3 Lithium Niobate crystal For Optical Communication
Introduction:
Lithium niobate crystal has high Curie temperature, low-temperature coefficient of piezoelectric effect, high electromechanical coupling coefficient, low dielectric loss, stable crystal physical and chemical properties, good processing performance, and easy to prepare large-size and high-quality crystals. It is an excellent Piezoelectric crystal material. LN crystals are widely used in surface acoustic wave filters.
In addition to the piezoelectric effect, the photoelectric effect of lithium niobate crystals is very rich, of which electro-optical effect and nonlinear optical effect are outstanding, and they are also the most widely used. It is widely used in electro-optical modulators, integrated optical switches, electro-optical Q-switches, electro-optical deflection,
and other devices.
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) |
Pictures:
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