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Proceedings Paper

Effect of acoustic waveguide properties on the Brillouin gain spectrum in multi-mode fibers
Author(s): Wei-Wei Ke; Xiao-Jun Wang; Xuan Tang
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Paper Abstract

With a recent developed mode-coupling model, the Brillouin gain spectra (BGS) of multi-mode fibers (MMF) are investigated and compared with the corresponding experiment. It is found that the calculation results are coincident well with the experiment data. Furthermore, the BGS are found to be very sensitive to the index fluctuation. Such phenomenon is demonstrated by introducing a small index hump or dip in the center of the fiber core. And it can be explained by that the index fluctuation may influence the acoustic mode greatly.

Paper Details

Date Published: 10 February 2015
PDF: 5 pages
Proc. SPIE 9255, XX International Symposium on High-Power Laser Systems and Applications 2014, 92551A (10 February 2015); doi: 10.1117/12.2065113
Show Author Affiliations
Wei-Wei Ke, China Academy of Engineering Physics (China)
Institute of Applied Physics and Computational Mathematics (China)
Xiao-Jun Wang, China Academy of Engineering Physics (China)
Institute of Applied Physics and Computational Mathematics (China)
Xuan Tang, China Academy of Engineering Physics (China)
Institute of Applied Physics and Computational Mathematics (China)


Published in SPIE Proceedings Vol. 9255:
XX International Symposium on High-Power Laser Systems and Applications 2014
Chun Tang; Shu Chen; Xiaolin Tang, Editor(s)

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