Design of LD in-band direct-pumping side surface polished micro-rod Nd:YVO4 laser

doi:10.1088/1674-1056/25/2/024207

Abstract To diminish the thermal load, two ways, that is, in-band direct pumping and micro-rod crystal, could be adopted at the same time. The efficiency of LD in-band direct-pumping side surface polished micro-rod Nd:YVO₄ laser is numerically analyzed. By optimizing parameters such as crystal length, laser mode radius, pump beam radius, doping concentration and crystal cross-section size, the overall efficiency can reach over 50%. It is found that with micro-rod crystal implemented in the laser oscillator, high overall efficiency LD in-band direct-pumping Nd:YVO₄ laser could be realized. High efficiency combined with low thermal load makes this laser an outstanding scheme for building high-power Nd:YVO₄ lasers.

Keywords: diode-pumped lasers design of specific laser systems efficiency

Received: 08 April 2015
Revised: 11 August 2015
Accepted manuscript online:

PACS:	42.55.Xi	(Diode-pumped lasers)
	42.60.By	(Design of specific laser systems)
	42.60.Lh	(Efficiency, stability, gain, and other operational parameters)

Corresponding Authors: Ma-Li Gong
E-mail: gongml@mail.tsinghua.edu.cn

Cite this article:

Wen-Qi Zhang(张文启), Fei Wang(王飞), Qiang Liu(柳强), Ma-Li Gong(巩马理) Design of LD in-band direct-pumping side surface polished micro-rod Nd:YVO₄ laser 2016 Chin. Phys. B 25 024207

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Design of LD in-band direct-pumping side surface polished micro-rod Nd:YVO4 laser

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Design of LD in-band direct-pumping side surface polished micro-rod Nd:YVO₄ laser