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Optical Engineering

Gain-switched Ho:YAG ceramic laser with an acousto-optic modulator
Author(s): Jianing Zhang; Deyuan Shen; Jian Zhang; Dingyuan Tang; Hao Chen
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Paper Abstract

We demonstrate a gain-switched Ho:YAG ceramic laser in-band pumped by an acousto-optically modulated thulium fiber laser at ∼1908  nm. The laser pulse repetition rate could be tuned continuously from 60 to 100 kHz with the pulse energy kept constant for a certain pump power level. The shortest pulse width of 204 ns and a maximum peak power of 75 W have been obtained at 60 kHz under the maximum pump power level of 11 W. A maximum average output power of 1.4 W has been achieved with a pulse repetition rate of 100 kHz, corresponding to a slope efficiency of 57% with respect to the incident pump power. The prospects for further improvement in laser performance are discussed.

Paper Details

Date Published: 26 April 2016
PDF: 4 pages
Opt. Eng. 55(4) 046115 doi: 10.1117/1.OE.55.4.046115
Published in: Optical Engineering Volume 55, Issue 4
Show Author Affiliations
Jianing Zhang, Fudan Univ. (China)
Deyuan Shen, Fudan Univ. (China)
Jiangsu Normal Univ. (China)
Jian Zhang, Jiangsu Normal Univ. (China)
Dingyuan Tang, Jiangsu Normal Univ. (China)
Hao Chen, Jiangsu Normal Univ. (China)
Jiangsu Normal University (China)

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