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| Product Name: | Lanthanum Gallium Silicate (LGS) | Chemical Formula: | La3Ga5SiO14 |
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| Growth Method: | Czochralski | Hardness: | 6.6 Moh's |
| Density: | 5.754 G/cm3 | Melt Point: | 1470℃ |
| Thermal Expansion: | α11 = 5.11·10-6/K; α33 = 3.16·10-6/K | Piezoelectric Coupling K[ %: | 2 |
| Inclusions: | No | ||
| High Light: | Q Switch Piezoelectric Effect Crystals,Piezoelectric Effect Q Switch LGS Crystal,LGS Piezoelectric Effect Crystals |
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Langasite - Lanthanum Gallium Silicate (La3Ga5SiO14) is a multifunctional crystal. Because of the effect of optical rotation , it can be used in electro-optic Q-switch. Crystro also supply electro-optic Q-switch made by LGS . It also can be used as piezoelectric materials ,mainly applied in fabrication of SAW (surface acoustic wave), BAW (bulk acoustic wave) devices and sensors .The devices made of LGS crystal could work at high temperatures up to 900℃ because of its high thermal stability.
| Crystal Structure | Group P321, point group 32 |
| Growth Method | Czochralski |
| Hardness | 6.6 Moh's |
| Density | 5.754 g/cm3 |
| Melt Point | 1470 ℃ |
| Electro-optical coefficients | γ11=2.3×10-12m/V |
| γ33=1.8×10-12m/V | |
| Coefficient of thermal expansion | α11=5.15×10-6K-1 |
| α33=3.65×10-6K-1 | |
| Dielectric constant | ε11=18.27 |
| ε33=55.26 | |
| Inclusions | N0 |
LGS Transmission Curve :
Contact Person: Zheng
Tel: +86 18255496761
Fax: 86-551-63840588
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