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Proceedings Paper

Output spectrum of high-power CW fiber amplifier
Author(s): Wei Liu; Hu Xiao; Xiaolin Wang; Pu Zhou
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Paper Abstract

A generation spectrum of a high-power Yb-doped fiber amplifier (YDFA) becomes broader with increasing power in the master oscillator power amplifier (MOPA) configuration, which degenerating the coherence of the laser. In this work, a spectral model had been proposed for the high-power YDFA in Continuous Wave (CW) region. A fiber amplifier was built at the 600W level and experiments were conducted for its output spectral characteristics based on this model. Through this model, the output spectrum of high-power YDFA in CW region could be calculated. Though the theoretical spectra were in little different from the measured ones, the predictions of the theory were still in excellent quantitative agreement with the experimental results.

Paper Details

Date Published: 17 September 2013
PDF: 6 pages
Proc. SPIE 8904, International Symposium on Photoelectronic Detection and Imaging 2013: High Power Lasers and Applications, 89040Q (17 September 2013); doi: 10.1117/12.2033418
Show Author Affiliations
Wei Liu, National Univ. of Defense Technology (China)
Hu Xiao, National Univ. of Defense Technology (China)
Xiaolin Wang, National Univ. of Defense Technology (China)
Pu Zhou, National Univ. of Defense Technology (China)


Published in SPIE Proceedings Vol. 8904:
International Symposium on Photoelectronic Detection and Imaging 2013: High Power Lasers and Applications
Andreas Tünnermann; Zejin Liu; Pu Wang; Chun Tang, Editor(s)

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