12 March 2001 Investigation of Kerr-lens mode locking in lasers with composite active media
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Abstract
One of the possible methods of realization of active medium with anomalously wide bandwidth has been described. Composite active medium, consisting of several laser active centers with overlapping gainbands in common resonator has been created. In this case gain contour has complex shape with local extremums. Method of numerical simulation of the formation dynamics of ultrashort pulse at passive mode locking in laser with arbitrary spectral gain contour has been performed. The main parameters for the generation of ultrashort pulse in a laser with a composite active medium are obtained and investigated. The conditions of realization of stationary regime in the form of ultrashort pulse generation with duration determined by combined gain bandwidth are calculated.
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V. I. Trunov, A. V. Kirpichnikov, Efim V. Pestryakov, V. V. Petrov, A. K. Komarov, Konstantin P. Komarov, "Investigation of Kerr-lens mode locking in lasers with composite active media", Proc. SPIE 4352, Laser Optics 2000: Ultrafast Optics and Superstrong Laser Fields, (12 March 2001); doi: 10.1117/12.418808; https://doi.org/10.1117/12.418808
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