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Proceedings Paper

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

Paper Details

Date Published: 1 September 2004
PDF: 10 pages
Proc. SPIE 5460, Solid State Lasers and Amplifiers, (1 September 2004); doi: 10.1117/12.545657
Show Author Affiliations
Xiaoyuan Peng, Nanyang Technological Univ. (Singapore)
Lei Xu, Nanyang Technological Univ. (Singapore)
Anand Asundi, Nanyang Technological Univ. (Singapore)

Published in SPIE Proceedings Vol. 5460:
Solid State Lasers and Amplifiers
Alphan Sennaroglu; James G. Fujimoto; Clifford R. Pollock, Editor(s)

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