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Study of gain efficiency in quasi-distributed amplification systems
Optics Letters ( IF 3.866 ) Pub Date : 2020-01-10 , DOI: 10.1364/ol.384206
O. V. Shtyrina, A. Y. Kokhanovskiy, I. A. Yarutkina, A. S. Skidin, A. V. Ivanenko, S. A. Efremov, B. N. Nyushkov, S. V. Smirnov, and M. P. Fedoruk

We propose the mathematical model of quasi-distributed gain in fiber laser systems with cavity dumping. Particularly, we consider in detail the case of a small number of periodic cells in such lasers. The study of the signal gain in Yb-doped active fiber includes the experimental measurement of its characteristics and the theoretical approximations based on experimental results. Theoretical analysis of laser schemes with quasi-distributed gain considered here enables optimization of the output pulse characteristics for various numbers of active fiber cells.
更新日期:2020-01-15

 

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