Numerical and experimental study diode-pumped Nd:YVO4 laser with undoped end cap

Xiaoyuan Peng; Lei Xu; Anand Asundi

doi:10.1117/12.545657

1 September 2004 Numerical and experimental study diode-pumped Nd:YVO₄ laser with undoped end cap

Xiaoyuan Peng, Lei Xu, Anand Asundi

Proceedings Volume 5460, Solid State Lasers and Amplifiers; (2004) https://doi.org/10.1117/12.545657
Event: Photonics Europe, 2004, Strasbourg, France

Abstract

The control of thermal lensing effect is of importance to scale the output power of diode-pumped solid-state lasers. It is particularly critical for end-pumped systems. In order to reduce the thermal lensing of diode-pumped Nd:YVO₄ lasers, we use a composite structured crystal with an undoped end cap of YVO₄ attached to the Nd:YVO₄ crystal. A numerical model is setup to simulate the temperature, stress, and end bulging of the composite crystal, as well as thermal lensing. The comparisons on thermal behaviors for composite and normal Nd:YVO₄ crystals are given in the paper. A diode-end-pumped Nd:YVO₄ laser with output power of 15.6W under the pump power of 29W and optical-to-optical efficiency of 54% is demonstrated by using the composite crystal.

Citation Download Citation

Xiaoyuan Peng, Lei Xu, and Anand Asundi "Numerical and experimental study diode-pumped Nd:YVO₄ laser with undoped end cap", Proc. SPIE 5460, Solid State Lasers and Amplifiers, (1 September 2004); https://doi.org/10.1117/12.545657

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