Nd:YAG ceramic laser obtained high slope-efficiency of 62% in high power applications

Nd:YAG ceramic laser obtained high slope-efficiency of 62% in high power applications

By using quite uniformly nine-stacks side-around arranged compact pumping system, a high power Nd:YAG ceramic quasi-CW laser with high slope efficiency of 62% has been demonstrated. With 450 W quasi-CW stacked laser diode bars pumping at 808 nm, performance of the Nd:YAG ceramic laser with different...

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Veröffentlicht in:Optics express 2005-10, Vol.13 (22), p.8725-8729
Hauptverfasser: Qi, Yunfeng, Zhu, Xiaolei, Lou, Qihong, Ji, Jianghua, Dong, Jingxing, Wei, Yunrong
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container_end_page 8729
container_issue 22
container_start_page 8725
container_title Optics express
container_volume 13
creator Qi, Yunfeng
Zhu, Xiaolei
Lou, Qihong
Ji, Jianghua
Dong, Jingxing
Wei, Yunrong
description By using quite uniformly nine-stacks side-around arranged compact pumping system, a high power Nd:YAG ceramic quasi-CW laser with high slope efficiency of 62% has been demonstrated. With 450 W quasi-CW stacked laser diode bars pumping at 808 nm, performance of the Nd:YAG ceramic laser with different output coupling mirrors has been investigated. Optimum output power of 236 W at 1064 nm was obtained and corresponding optical-to-optical conversion efficiency was as high as 52.5%. The laser system operated quite stably and no saturation phenomena have been observed, which means higher output laser power could be obtained if injecting higher pumping power. The still-evolving Nd:YAG ceramics are potential super excellent media for high power practical laser applications.
doi_str_mv 10.1364/opex.13.008725
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title Nd:YAG ceramic laser obtained high slope-efficiency of 62% in high power applications
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