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Author:

Zhang, Xue-Xia (Zhang, Xue-Xia.) | Ge, Ting-Wu (Ge, Ting-Wu.) | Tan, Qi-Rui (Tan, Qi-Rui.) | Liu, Chen-Chen (Liu, Chen-Chen.) | Wang, Zhi-Yong (Wang, Zhi-Yong.) (Scholars:王智勇)

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EI PKU CSCD

Abstract:

In order to research high-power multi-position-pumped fiber lasers, the theoretical analysis was presented based on the rate equations and boundary conditions of Yb-doped double-clad fiber lasers. All-fiber laser is built with the self-made cascaded couplers. In the experiment, the pump efficiency of a single coupler is 96%, pump transmissiom loss is 10%, signal loss of the couplers are 0.87 dB and 0.18 dB respectively. In the structure of linear cavity, the optical conversion of forward pump is 69%, lower to the backward pump of 70% optical conversion, consistent with theoretical simulations; in the two-end pump, single input pump power of 975 nm is 110 W, the output power is 311 W with the central wavelength of 1080 nm, spectral width is 1.6 nm, the optical-optical conversion is 70%, M2~1.3. The results have shown that the output power of laser will continue to increase with the increase of the pump power or the number of couplers. ©, 2015, Chinese Optical Society. All right reserved.

Keyword:

Pumping (laser) Fibers Fiber lasers

Author Community:

  • [ 1 ] [Zhang, Xue-Xia]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Ge, Ting-Wu]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 3 ] [Tan, Qi-Rui]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 4 ] [Liu, Chen-Chen]The 11rd Research Institute, China Electronics Technology Group Corporation, Beijing; 100015, China
  • [ 5 ] [Wang, Zhi-Yong]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China

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Source :

Acta Photonica Sinica

ISSN: 1004-4213

Year: 2015

Issue: 10

Volume: 44

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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