Free-running instability in laser systems when the active medium moves in a spatially periodic fieldстатья
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Дата последнего поиска статьи во внешних источниках: 30 октября 2013 г.
Аннотация:Using a flow-through laser with an unstable-cavity-multibeam-amplifier optical system as an example, it is shown that, when the active medium moves through a spatially periodic field, self-excited perturbations can build up in the flow of the medium, resulting in instability of the steady-state lasing. This phenomenon is explained by the interference of the perturbation waves formed in the moving medium at the edges of the beams. (C) 2009 Optical Society of America.