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Dia 2inch Thick 0.5mm La3ga5sio14 Single Langasite Crystal LGS Substrate

Categories Piezoelectric Effect Crystals
Brand Name: Crystro
Model Number: CR210519-01
Certification: SGS/COC
Place of Origin: China
MOQ: 1pc
Price: Negotiable
Payment Terms: T/T, Western Union, MoneyGram, Paypal
Supply Ability: 2000pcs per month
Delivery Time: 2-4 weeks
Packaging Details: Transparent clean box
Type: Dia 2inch Thick 0.5mm Langasite Single Crystal LGS Substrate
Diameter: 50.8mm
Thickness: 0.5mm/1mm
Ra: <0.5nm
Material: La3Ga5SiO14
Growth Method: Czochralski
Warranty:: 1 year
Color: Faint Yellow
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Dia 2inch Thick 0.5mm La3ga5sio14 Single Langasite Crystal LGS Substrate

Dia 2inch Thick 0.5mm Langasite Single Crystal LGS Substrate

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 unparalleled Q-factor.

Crystro's LGS crystal has High thermal stability,low equivalent series resistance ratio and electro-mechanical coupling coefficient is 3-4 times than quartz.

Anhui Crystro participate in the kinds exhibitions every year: Laser World of Photonics Munich, Shanghai, Photonics West in San Francisco, CIOE in Shenzhen, etc.


Main Properties:

Point group32
Airborne groupP32I
specific resistance4.0×1012Ω/cm-1
Thickness0.13-0.5mm
Diameter50mm
Length90-100mm
Melting point1470
Density5.67g/cm3
Mohs hardness5.5
Thermal expansion coefficientaa=16×10-6/K, ac=4×10-6/K
Photo damage threshold670MV/cm2
Cell Parametersa=b=0.8162nm,c=0.5087nm
Dielectric constantε11=18.27
ε33=55.26
Electro-optical coefficientsγ11=2.3×10-12m/V
γ33=1.8×10-12m/V
Piezoelectric strain constantd11=6.3
(10-12)C/Nd14=-5.4
Phase velocity,m/s27502850
Electromechanical coupling coefficient, K[ %]0.280.46
SolubilityNone
Coefficient of thermal expansionα11=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


DOCUMENT:
LGS Cryatal.pdf

China Dia 2inch Thick 0.5mm La3ga5sio14   Single Langasite Crystal LGS Substrate factory
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