Neodymium: Gadolinium Vanadate (Nd:GdVO4)


Gadolinium vanadate doped with neodymium, Nd:GdVO4, is a promising material for diode pumped lasers. Like neodymium doped yttrium vanadate, the gadolinium vanadate exhibits a larger absorption and emission cross section compared to Nd:YAG. In fact, Nd:GdVO4 has a 7-times higher absorption cross section at 808nm and a 3-times larger emission cross section at 1.06µm than does Nd:YAG (Ref. 1). Nd:GdVO4 has the additional advantage over Nd:YVO4 of a much higher thermal conductivity.

General Specifications
Nd:GdVO4 absorption spectrum
Nd:GdVO4 data table
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Laser wavelengths (Ref. 5):
​1062.9 nm
Polarization: ​Parallel to c-axis
Radiative lifetime(microseconds)
at 1% Nd doping:
​~ 95 µs
(Ref. 5)
Pump wavelength (Ref. 5):
​808.4 nm
Peak pump absorption
at 1% doping (Ref. 5)​:
​~ 57 cm-1
Thermal conductivity, W/mK:
​11.7(Ref. 7)
Doping concentration range:
​0.1 - 3.0%
Other possible dopants:
​Tm, Ho, Er
Material Properties
Crystal Structure, Space Group​      Tetragonal, I41/amd
(Ref. 4)
Lattice constants, nm
​a: 0.721
0.635  (Ref. 4)
Melting temperature, °C
​1780 (Ref. 6)
Thermal expansion @25°C, x1-6/°C a: 1.5
b: 7.3  (Ref. 4)
Specific heat @25°C, cal/mol K 32.6  (Ref. 4)
dn / dT, x10-6/°C 4.7  (Ref. 4)


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3. C.Q. Wang, Y.T. Chow, L. Reekie, W.A. Gambling, H.J. Zhang, L. Zhu , X.L. Meng, Appl. Phys. B, 70, 769 (2000)
4. H. Zhang, J. Liu, J. Wang, C. Wang, L. Zhu, Z. Shao, X. Meng, X. Hu, M. Jiang, Y.T. Chow, J. Opt. Soc. Am.
5.  L. DeShazer, Laser Focus World (Feb. 1994)
6. V.V. Kochurikhin, K. Shimamura, T. Fukuda, J. Crystal Growth, 151, 393 (1995)
7.  L. Qin, X. Meng, J. Zhang, L. Zhu, H. Zhang, B. Xu, H. Jiang, J. Crystal Growth, 242, 183 (2002)