High-power diode-pumped Nd:YAG disk laser

Zhen-yu Yao; Jian-feng Jiang; Bo Tu; Tangjian Zhou; Ling-ling Cui; Chun Tang; Deyong Wu

doi:10.1117/12.573837

26 January 2005 High-power diode-pumped Nd:YAG disk laser

Zhen-yu Yao, Jian-feng Jiang, Bo Tu, Tangjian Zhou, Ling-ling Cui, Chun Tang, Deyong Wu

Proceedings Volume 5627, High-Power Lasers and Applications III; (2005) https://doi.org/10.1117/12.573837
Event: Photonics Asia, 2004, Beijing, China

Abstract

Thermal effects present a major challenge to scaling of solid-state laser to high-average power. When using a thin laser crystal disk with a nearly flat-top pump profile, the heat flux can be considered to be one-dimensional. This results in a homogeneous temperature and stress profile within the laser medium leading to reduction of thermal effects. The pump profile is the main factor that may affect the homogeneous temperature profile, but some other factors may affect the temperature homogeneity, such as the cooling dimension and the ratio of the pump area to the thickness of the disk. These factors are analyzed and a good design is made. An average output power of more than 120W is obtained from one single disk and that of 216W from two disks.

Citation Download Citation

Zhen-yu Yao, Jian-feng Jiang, Bo Tu, Tangjian Zhou, Ling-ling Cui, Chun Tang, and Deyong Wu "High-power diode-pumped Nd:YAG disk laser", Proc. SPIE 5627, High-Power Lasers and Applications III, (26 January 2005); https://doi.org/10.1117/12.573837

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