Langasite LGS Crystal 10mm/40mm Length for Electro-Optical Q-Switching with 1470°C Thermal Stability
Price:
Negotiable
MOQ:
1pc
Delivery Time:
2-4 weeks
Brand:
Crystro
Product Description
Langasite Crystal (LGS) Product Overview
Piezoelectric Langasite La3Ga5SiO14 (LGS) Crystal is a high-performance material available in customizable configurations including 10mm and 40mm lengths for electro-optical Q-switching applications.
Langasite crystal (La3Ga5SiO14, LGS) offers exceptional piezoelectric properties with high thermal stability up to 900°C, making it ideal for surface acoustic wave (SAW) and bulk acoustic wave (BAW) devices in demanding environments.
Technical Specifications
Physical Properties
| Property | Value |
|---|---|
| Crystal Structure | Trigonal system, space group P321 |
| Growth Method | Czochralski |
| Hardness | 6.6 Moh's |
| Density | 5.754 g/cm³ |
| Melting Point | 1470°C |
| Thermal Expansion | α11: 5.10×10⁻⁶/°C, α33: 3.61×10⁻⁶/°C |
| Acoustic Velocity (SAW) | 2400 m/s |
| Frequency Constant (BAW) | 1380 kHz/mm |
Electrical & Optical Properties
| Parameter | Value |
|---|---|
| Piezoelectric Coupling (K²) | BAW: 2.21%, SAW: 0.3% |
| Specific Resistance | 4.0×10¹² Ω/cm |
| Dielectric Constant | ε11: 18.27, ε33: 55.26 |
| Electro-optical Coefficients | γ11: 2.3×10⁻¹² m/V, γ33: 1.8×10⁻¹² m/V |
| Photo Damage Threshold | 670 MV/cm² |
Key Features
- High damage threshold for demanding applications
- Excellent optical rotation capabilities
- Stable performance across high and low temperature variations
- Consistent physical and chemical properties
- High electromechanical coupling coefficient (3× quartz)
- Low equivalent series resistance
Applications
- Electro-optic Q-switch devices
- Surface Acoustic Wave (SAW) filters and resonators
- Bulk Acoustic Wave (BAW) devices
- High-precision sensors
- High power, high repetition rate all solid-state lasers
- Lasers operating in extreme temperature environments
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Company
ANHUI CRYSTRO CRYSTAL MATERIALS Co., Ltd.
Location
No. 176, Yuner Rd, Yunhai Rd Industrial Park, Baohe District，Hefei City，Anhui Province
Contact Person
Wu