Experimental study on long-distance transmission of high-power laser over single-mode fiber
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School of Technical Physics, Xidian University, Xi’an 710071, China

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TN25

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    Abstract:

    Stimulated Raman Scattering (SRS) effect is a key factor restricting the application of high power laser transmission over single mode fiber in long distance . Using 1550nm unpolarized continuous wave single-mode fiber laser as light source, stimulated Raman scattering phenomenon generated by 103km single-mode fiber transmission under different injected light power conditions is experimentally studied. Cascaded long-period fiber gratings are used to carry out stimulated Raman scattering suppression experiments, and corresponding theoretical analysis is carried out. A criterion for the effectiveness of fiber stimulated Raman scattering suppression is proposed. Experiments demonstrate the stimulated Raman scattering phenomenon and verify the effectiveness of cascaded long-period fiber gratings for the suppression of stimulated Raman scattering.

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YU Hua-Long, XUE Hai-Zhong. Experimental study on long-distance transmission of high-power laser over single-mode fiber[J]. Journal of Infrared and Millimeter Waves,2020,39(5):607~611

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History
  • Received:November 05,2019
  • Revised:August 26,2020
  • Adopted:April 21,2020
  • Online: August 19,2020
  • Published: