LGS electro-optical pockels cell
LGS electric-optical Pockels Cell is a new type of Q-switch designed by using of La3Ga5SiO14 (LGS) crystal. LGS crystal is one kind of optical material with very high damage threshold（about 9 times as that of LN), excellent E-O coefficient, high temperature stability.
File Download- Product Description
-
The LGS series Q switch (Pockels Cell) is a practical electric-optic device that can be used for medium output energy lasers, and partially take place of DKDP、RTP and LiNbO3 series Q-switches.
Main Advantages:
For wavelength up to 3.2μm
Transmitted Wave Front Distortion <l/4
Damage threshold >900MW/cm2(@1064nm,10ns)
LGS partially replacing DKDP and LiNbO3 series Q-switches
- Material Properties
-
Molecular formula
La3Ga5SiQ14 Melting point
1470℃ Unit cell parameters
a=b=0.8162nm,c=0.5087nm crystal structure
Cubic system, 32 point group, P321 space group
Transmission band
242-3200nm Refractive index
1.89 Deliquescence
Non deliquescence
Electro optic coefficient
γ11=2.3pm/V;Y41=1.8pm/V Conductivity 1.7x1010Ω.cm Coefficient of thermal expansion
α11=5.15x10-6/K(⊥Z-axis);α33=3.65x10-6/K(⊥Z-axis);
- Technical Parameter
-
Crystro offers:
Crystal Dimension
2 x 2 - 8 x 8 mm
Shell Dimension
20-35 mm
Typical Aperture
8mm-20mm
Extinction Ratio
＞500:1
Wave Front Distortion
<λ/6 @ 633nm
Transmission
＞98% @ 1064nm
Inter-electrode Isolation
<1
Surface Quality
20-10 (after coating 40-20)
Capacitance
8 pF
AR Coating
AR/AR @ 1064nm (R<0.2%) other wavelength upon request
Damage Threshold
900MW/cm2 10ns 10Hz 1064nm
Note: Above parameters for reference only, please contact our sales Rep. for your specific requirement.