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Home > Products > Laser Component > Pockels Cell > LGS Crystal and Pockels Cell
LGS Crystal and Pockels Cell
  • LGS Crystal and Pockels Cell

LGS Crystal and Pockels Cell

    Payment Type: T/T
    Incoterm: FOB,CIF,FCA,CIP
    Min. Order: 1 Bag/Bags
    Delivery Time: 30 Days
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Basic Info

Model No.: CPLPC-08

Chemical Formula: La3Ga5SiQ14

Density: 5.75g/cm3

Melting Point: 1470℃

Transparency Range: 242-3200nm

Refractive Index: 1.89

Electro-Optic Coefficients: γ41=1.8pm/V,γ11=2.3pm/V

Resistivity: 1.7x1010Ω.cm

Deliquescence: No

Thermal Expansion Coefficients: α11=5.15x10-6/K(⊥Z-axis); α33=3.65x10-6/K(∥Z-axis)

Additional Info

Packaging: Carton Packing

Productivity: 2000pcs

Brand: Coupletech

Transportation: Air

Place of Origin: China

Certificate: ISO9001:2015

HS Code: 9001909090

Port: Qing Dao

Product Description

La3Ga5SiO14 crystal (LGS crystal) is an optical nonlinear material with high damage threshold, high electro-optical coefficient and excellent electro-optical performance. LGS crystal belongs to trigonal system structure, smaller thermal expansion coefficient, thermal expansion anisotropy of crystal is weak, the temperature of the high temperature stability is good (better than SiO2), with two independent electro - optical coefficients are as good as those of BBO Crystals . The electro-optic coefficients are stable in a wide range of temperatures. The crystal has good mechanical properties, no cleavage, no deliquescence, physicochemical stability and has very good comprehensive performance. LGS crystal has a wide transmission band, from 242nm-3550nm has a high transmission rate. It can be used for EO modulation and EO Q-Switches.


LGS crystal has a wide range of applications: in addition to piezoelectric effect, optical rotation effect, its electro-optical effect performance is also very superior, LGS Pockels Cells have high repetition frequency, large section aperture, narrow pulse width, high power, ultra-low temperature and other conditions are suitable for LGS crystal EO Q -switch. We applied the EO coefficient of γ 11 to make LGS Pockels cells, and selected its larger aspect ratio to reduce the half-wave voltage of LGS Electro-optical cells, which can be suitable for the electro-optical tuning of all-Solid-state laser with higher power repetition rates. For example, it can be applied to LD Nd:YVO4 solid-state laser pumped with high average power and energy over 100W, with the highest rate up to 200KHZ, the highest output up to 715w, the pulse width up to 46ns, the continuous output up to nearly 10w, and the optical damage threshold is 9-10 times higher than that of LiNbO3 crystal. 1/2 wave voltage and 1/4 wave voltage are lower than that of the same diameter BBO Pockels Cells, and the material and assembly cost are lower than that of the same diameter RTP Pockels Cells. Compared with DKDP Pockels Cells, they are non-solution and have good temperature stability. LGS Electro-optical Cells can be used in harsh environments and can perform well in different applications.


The standard requirement and the regular size of the LGS pockels cells are as follows:


Crystal Size (W x H x L): 2 x 2 - 8 x 8 mm3
Pockels Cell Size : Dia.20-35 mm
Extinction Ratio :>500:1
Wavefront Distortion: λ/6 @ 632.8nm
Transmission: >98.5% @ 1064nm
Isolation Between Electrodes: <1 µA at 3.0 KV
Surface Quality: 20/10 (after coating 40/20)
Capacitance 8 pF
Coatings AR/AR @ 1064nm (R<0.2%)
Damage threshold 900MW/cm2 10ns 10Hz 1064nm

Order No. LG-EO-Q-30-55-1064-8
Outline Dimension Dia.30 x 55mm
Crystal Size (W x H x L): 8 x 8 x 45mm3
Extinction Ratio >500:1
Single Pass Optical Transmission >98%
Voltage(λ/4)@1064nm: 3.2 kv
Transmitted Wave Front Distortion: λ/6
Wavelength: Other wavelengths can be customized

Coupletech also provides other mounting way of LGS EO Crystal , It's compact design, and the pictures of LGS EO Cells are as below:

LGS pockels cell with bracketLGS pockels cell with bracket


Coupletech offers LGS Crystal and Pockels Cell, Pockels Cell Driver and many other kinds of Electro-optic Components.


Looking for ideal LGS Crystal EO Q-switch Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the LGS Pockels Cells are quality guaranteed. We are China Origin Factory of LGS Electro-optical Cells. If you have any question, please feel free to contact us.

Product Categories : Laser Component > Pockels Cell

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