Towards a control of multiple filamentation by spatial regularization of a high-power femtosecond laser pulseстатья
Статья опубликована в высокорейтинговом журнале
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Авторы:Kandidov V.P.,
Akozbek N.,
Scalora M.,
Kosareva O.G.,
Nyakk A.V.,
Luo Q.,
Hosseini S.A.,
Chin S.L.
Аннотация:We propose a new method for controlling randomly generated multiple filaments during the propagation of femtosecond laser pulses in optical media. The method is based on introducing a periodic amplitude modulation of the transverse beam profile. It is shown both experimentally and numerically that the introduction of a periodic mesh into a propagation path of a femtosecond near-infrared laser pulse leads to a deterministic spatial distribution of multiple filaments in the presence of initial random fluctuations. As a result, the number of filaments is increased as compared to the random case.