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Nd:GdVO4
Nd:GdVO4 exhibits high gain, low threshold and high absorption coefficient like Nd:YVO4. It overcomes the low thermal conductivity of Nd:YVO4 and will be a good candidate of Nd:YVO4. Basic Properties:
Crystal Structure:
Zircon Tetragonal, space group D4h, a=b=7.21, c=6.35
Melting Point:
1780°C
Mohs Hardness:
Glass-like,~5
Thermal Expansion Coefficient:
aa=1.5x10-6/K, ac=7.3x10-6/K
Thermal Conductivity Coefficient:
11.7 W/m/K <110>
Index of Refractivity(at 1064nm):
n0=1.972, ne=2.192
Lasing Wavelength:
912.6 nm, 1063.1 nm, 1341.3nm
Stimulated Emission Cross-Section:
7.60x10-19cm2,@1064nm
Fluorescent Lifetime:
95 ms(1 atm% Nd doped)@808nm
Absorption Coefficient:
74 cm-1@808 nm (1.2%)
Intrinsic Loss:
Less0.1% cm-1,@1064nm
Main Specifications:
Nd: Dopant Level:
0.15 - 4.0 atm%
Wavefront Distortion:
<λ/4@633nm
Orientation:
±0.5deg.
Surface quality:
10/5 Scratch/Dig per MIL-O-13830B
Flatness:
λ/8 at 633 nm
Parallelism:
< 10 arc sec.
Every piece of Nd:GdVO4 sent by Polar Beam Technologies Inc. will be tested in laser cavity to meet the requirements of customers.
When ordering Nd:GdVO4 crystal, please specify Nd doping concentration, the size, surface quality, and coating specification. For further information please contact Polar Beam Technologies Inc..
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