ANHUI CRYSTRO CRYSTAL MATERIALS Co., Ltd.
| Payment Terms | T/T, Western Union, MoneyGram, Paypal |
| Supply Ability | 2000pcs per month |
| Delivery Time | 2-4 weeks |
| Packaging Details | Transparent clean box |
| Type | Blank |
| Polish | 10/5 |
| Diameter | 20mm/50mm/60mm |
| Length | 10mm/40mm/60mm |
| certification | SGS |
| model | CR20200107-7 |
| Brand Name | Crystro |
| Model Number | CR20200107-7 |
| Certification | SGS |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, Western Union, MoneyGram, Paypal | Supply Ability | 2000pcs per month |
| Delivery Time | 2-4 weeks | Packaging Details | Transparent clean box |
| Type | Blank | Polish | 10/5 |
| Diameter | 20mm/50mm/60mm | Length | 10mm/40mm/60mm |
| certification | SGS | model | CR20200107-7 |
| Brand Name | Crystro | Model Number | CR20200107-7 |
| Certification | SGS | Place of Origin | China |
| High Light | pockels cell modulator ，bbo pockels cell ，Rotation Electro Optical Crystals | ||
Piezoelectric Langasite La3Ga5SiO14 (LGS) Crystal Can be Customized
Langasite crystal (La3Ga5SiO14,LGS), belonging to the space group P321, point group 32, has been reported to be promising new piezoelectric materials for fabrication of surface acoustic wave (SAW) and bulk acoustic wave (BAW) devices. The devices made of langasite crystal could be used at a high temperature up to 900℃ because of its high thermal stability.
Lanthanum gallium silicate ( La2Ga5SiO14 ) is a phenomenal invention. Though langasite was initially developed as a laser crystal, it revealed a remarkable combination of piezoelectric qualities, which opened up new opportunities to use the LGS crystal in radio frequency devices. The main applications of langasite crystals now is SAW filters and SAW resonators. Experts agree that LGS is the best choice for high-efficiency broad band frequency devices because it possesses exceptional frequency-temperature characteristics, a very high index of electromechanical coupling and un unparalleled Q-factor.
Main Properties:
| Crystal Structure | rigonal system, group 33 a= 8.1783 c = 5.1014 |
| Growth Method | Czochralski |
| Hardness | 6.6 Moh's |
| Density | 5.754 g/cm3 |
| Melt Point | 1470 o C ( phase transition point: N/A) |
| Thermal expansion (x10-6/ oC) | α 11: 5.10 α 33: 3.61 |
| Acoustic velocity, SAW | 2400 ( m/sec ) |
| Frequency constant, BAW | 1380 ( kHz/mm ) |
| Piezoelectric coupling | K2 (%) BAW: 2.21 SAW: 0.3 |
| Inclusions | N0 |
| Point group | 32 |
| Airborne group | P32I |
| specific resistance | 4.0×1012Ω/cm-1 |
| Thickness | 0.13-0.5mm |
| Diameter | 50mm |
| Length | 90-100mm |
| Melting point | 1470℃ |
| Density | 5.67g/cm3 |
| Mohs hardness | 5.5 |
| Thermal expansion coefficient | aa=16×10-6/K, ac=4×10-6/K |
| Photo damage threshold | 670MV/cm2 |
| Cell Parameters | a=b=0.8162nm,c=0.5087nm |
| Dielectric constant | ε11=18.27 |
| ε33=55.26 | |
| Electro-optical coefficients | γ11=2.3×10-12m/V |
| γ33=1.8×10-12m/V | |
| Piezoelectric strain constant (10-12)C/N |
d11=6.3 |
| d14=-5.4 | |
| Phase velocity,m/s | 2750～2850 |
| Electromechanical coupling coefficient, K[ %] | 0.28～0.46 |
| Solubility | None |
| Coefficient of thermal expansion | α11=5.15×10-6K-1 |
| α33=3.65×10-6K-1 |
Features:
High damage threshold
Good optical rotation
Can withstand high and low temperature changes
Stable physical and chemical properties
High electromechanical coupling coefficient (3 times of quartz)
Low equivalent series resistance
Applications:
electro-optic Q-switch
SAW device
BAW device
Sensor
High power high repetition rate all solid state laser
High and low temperature change laser
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2016
Total Annual:
5000,000-8000,000
Employee Number:
80~100
Ecer Certification：
Verified Supplier
Anhui Crystro Crystal Materials Co., Ltd. is specialized in research and development of crystal science and technology,we located at Anhui Province,Hefei City. Our business scope mainly concentrated in high-tech crystal materials research and development, manufacture and m... Anhui Crystro Crystal Materials Co., Ltd. is specialized in research and development of crystal science and technology,we located at Anhui Province,Hefei City. Our business scope mainly concentrated in high-tech crystal materials research and development, manufacture and m...
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