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Proceedings Paper

Optimization for the fiber laser source through its temporal and spectral characteristics
Author(s): Wei Liu; Pengfei Ma; Pu Zhou; Zongfu Jiang
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Paper Abstract

In this work, the spectral broadening and the stimulated Raman scattering (SRS) properties of fiber oscillators with different temporal and spectral characteristics were analyzed theoretically. We propose a spectral model for the amplification process in fiber amplifiers and a qualitative model for fiber oscillators through the superposition of multi-longitudinal modes. It is revealed that there are there are clearly linear and nonlinear broadening regions along with the power scaling in the MOPA structure, while the growth rate and the SRS threshold are all closely related to the temporal and spectral characteristics of the fiber oscillator. The preliminary analysis of the simulation results shows that both the noise floor and the temporal fluctuations in fiber oscillators will significantly impact the SRS threshold of the MOPA structure, while only the temporal fluctuations in fiber oscillators would impact the spectral broadening properties. The developed model represents a powerful tool for the optimization of a fiber oscillator through its structural parameters.

Paper Details

Date Published: 5 October 2017
PDF: 10 pages
Proc. SPIE 10436, High-Power Lasers: Technology and Systems, Platforms, and Effects, 104360O (5 October 2017); doi: 10.1117/12.2277694
Show Author Affiliations
Wei Liu, National Univ. of Defense Technology (China)
Pengfei Ma, National Univ. of Defense Technology (China)
Pu Zhou, National Univ. of Defense Technology (China)
Zongfu Jiang, National Univ. of Defense Technology (China)


Published in SPIE Proceedings Vol. 10436:
High-Power Lasers: Technology and Systems, Platforms, and Effects
Harro Ackermann; Willy L. Bohn; David H. Titterton, Editor(s)

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