V. N. Tishchenko, G. N. Grachev, A. I. Gulidov, V. I. Zapryagaev, V. G. Posukh, “Simulation of shock waves at high repetition rate of laser sparks”, Kvantovaya Elektronika, 2001, Volume 31, Number 4,Pages <nobr>283

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Letters

Simulation of shock waves at high repetition rate of laser sparks

V. N. Tishchenko^a, G. N. Grachev^a, A. I. Gulidov^b, V. I. Zapryagaev^b, V. G. Posukh^a

^a Institute of Laser Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk
^b Institute of Theoretical and Applied Mechanics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk

Abstract: It is shown that a train of periodic laser sparks with high repetition rate can produce an extended shock wave in air. This wave is either identical to the wave appearing upon instant absorption of the train energy in a spark, or simultaneously contains both ultrasonic and low-frequency components.

PACS: 52.50.Jm, 43.28.Mw

Received: 22.01.2001