This article is cited in 4 papers

Absorption of laser-radiation energy by femtosecond laser spark in air

A. A. Il'in^ab, S. S. Golik<sup>ab

a</sup> Institute for Automation and Control Processes, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok
^b Far Eastern Federal University, Vladivostok

Abstract: The fraction of focused femtosecond laser radiation energy absorbed by a laser-induced spark in air has been studied. It is established that the absorbed energy exhibits nonlinear growth with increasing energy of the laser pulse. The threshold power for laser-induced spark formation in air is 5.2 GW.

Received: 13.06.2013

 English version: Technical Physics Letters, 2014, 40:1, 1–3

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