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Proceedings Paper

Experimental investigation of high power pulsed 2.8 μm Er3+-doped ZBLAN fiber lasers
Author(s): Yanlong Shen; Yishan Wang; Ke Huang; Kunpeng Luan; Hongwei Chen; Mengmeng Tao; Li Yu; Aiping Yi; Jinhai Si
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Paper Abstract

We report on the recent progress on high power pulsed 2.8 μm Er3+-doped ZBLAN fiber laser through techniques of passively and actively Q-switching in our research group. In passively Q-switched operation, a diode-cladding-pumped mid-infrared passively Q-switched Er3+-doped ZBLAN fiber laser with an average output power of watt-level based on a semiconductor saturable absorber mirror (SESAM) was demonstrated. Stable pulse train was produced at a slope efficient of 17.8% with respect to launched pump power. The maximum average power of 1.01 W at a repetition rate of 146.3 kHz was achieved with a corresponding pulse energy of 6.9 μJ. The maximum peak power was calculated to be 21.9 W. In actively Q-switched operation, a diode-pumped actively Q-switched Er3+-doped ZBLAN fiber laser at 2.8 μm with an optical chopper was reported. The maximum laser pulse energy of up to 130 μJ and a pulse width of 127.3 ns at a repetition rate of 10 kHz with an operating wavelength of 2.78 μm was obtained, yielding the maximum peak power of exceeding 1.1 kW.

Paper Details

Date Published: 12 May 2017
PDF: 8 pages
Proc. SPIE 10173, Fourth International Symposium on Laser Interaction with Matter, 101731K (12 May 2017); doi: 10.1117/12.2267824
Show Author Affiliations
Yanlong Shen, Xi'an Institute of Optics and Precision Mechanics (China)
Xi'an Jiaotong Univ. (China)
Northwest Institute of Nuclear Technology (China)
Yishan Wang, Xi'an Institute of Optics and Precision Mechanics (China)
Shanxi Univ. (China)
Ke Huang, Northwest Institute of Nuclear Technology (China)
Kunpeng Luan, Northwest Institute of Nuclear Technology (China)
Hongwei Chen, Northwest Institute of Nuclear Technology (China)
Mengmeng Tao, Northwest Institute of Nuclear Technology (China)
Li Yu, Northwest Institute of Nuclear Technology (China)
Aiping Yi, Northwest Institute of Nuclear Technology (China)
Jinhai Si, Xi'an Jiaotong Univ. (China)


Published in SPIE Proceedings Vol. 10173:
Fourth International Symposium on Laser Interaction with Matter
Yongkun Ding; Guobin Feng; Dieter H. H. Hoffmann; Jianlin Cao; Yongfeng Lu, Editor(s)

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