Lasers, Fiber Optics, and Communications

Gain-switched Ho:YAG ceramic laser with an acousto-optic modulator

[+] Author Affiliations
Jianing Zhang

Fudan University, Department of Optical Science and Engineering, No. 220 Handan Road, Shanghai 200433, China

Deyuan Shen

Fudan University, Department of Optical Science and Engineering, No. 220 Handan Road, Shanghai 200433, China

Jiangsu Normal University, School of Physics and Electronic Engineering, No. 101, Shanghai Road, Tongshan District, Xuzhou 221116, China

Jian Zhang, Dingyuan Tang, Hao Chen

Jiangsu Normal University, School of Physics and Electronic Engineering, No. 101, Shanghai Road, Tongshan District, Xuzhou 221116, China

Jiangsu Normal University, Jiangsu Collaborative Innovation Center of Advanced Laser Technology and Emerging Industry, No. 101, Shanghai Road, Tongshan District, Xuzhou 221116, China

Opt. Eng. 55(4), 046115 (Apr 26, 2016). doi:10.1117/1.OE.55.4.046115
History: Received February 10, 2016; Accepted April 7, 2016
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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.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Jianing Zhang ; Deyuan Shen ; Jian Zhang ; Dingyuan Tang and Hao Chen
"Gain-switched Ho:YAG ceramic laser with an acousto-optic modulator", Opt. Eng. 55(4), 046115 (Apr 26, 2016). ; http://dx.doi.org/10.1117/1.OE.55.4.046115


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