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    4. 福州高特光电科技有限公司

      Neodymium doped Gadolinium Orthovanadate single crystal (Nd:GdVO4 crystal ) is an excellent laser crystal. This crystal is ideal laser host material for the DPSS (Diode pumped Solid State) micro/mini lasers as its good physical, optical and mechanical properties. It has higher slope efficiency than Nd:YAG and better thermal conductivity, higher power output than Nd:YVO4, so it is a good choice to use Nd:GdVO4 for high power output DPSS lasers.

      Advantages of Nd:GdVO4 crystal:
      Large stimulated emission cross section at laser wavelength
      High absorption coefficient and wide bandwidth at pump wavelength
      Low dependency on pump wavelength
      Good thermal conductivity
      Low lasing threshold and high slope efficiency
      High laser induced damage threshold
      Strongly-polarized laser output


      Properties of Nd:GdVO4 crystal:

      Crystal structure Tetragona
      Space Group I41/amd
      Lattice paramete a=0.721nm, b=0.635nm
      Lasing Transition 4F3/2 → 4I11/2
      Lasing wavelength 1062.9nm
      Emission Cross Section (at 1064nm) 7.6x10-19 cm2
      Absorption Cross Section (at 808nm) 4.9x10-19 cm2
      Absorption Coefficient (at 808nm) 74cm-1
      Index of Refractivity (at 1064nm) n0=1.972, ne=2.192
      Thermal Conductivity (<110>) 11.7W/(mxK)
      Density 5.47g/cm3
      Nd Dopent level (atomic) 0.1%, 0.2%, 0.3%, 0.5%, 0.7%, 1.0%...

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