Interaction of an optical pulsed discharge with a gas: conditions for stable generation and merging of shock waves

Interaction of an optical pulsed discharge with a gas: conditions for stable generation and merging of shock waves

The conditions under which an optical pulsed discharge stably generates periodic shock waves are determined theoretically and experimentally. It is shown that the mechanism of merging shock waves into a low-frequency quasi-stationary wave is operative in various gases (and vapours) in a wide range o...

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Veröffentlicht in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2004-10, Vol.34 (10), p.941-947, Article 941
Hauptverfasser: Tishchenko, V N, Apollonov, V V, Grachev, Gennadii N, Gulidov, A I, Zapryagaev, V I, Men'shikov, Ya G, Smirnov, A L, Sobolev, A V
Format: Artikel
Sprache:eng
Schlagworte:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
ELECTROMAGNETIC RADIATION
FLUIDS
GASES
INTERACTIONS
LASER RADIATION
LASERS
PERIODICITY
PULSES
RADIATIONS
SHOCK WAVES
VAPORS
VARIATIONS
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Zusammenfassung:The conditions under which an optical pulsed discharge stably generates periodic shock waves are determined theoretically and experimentally. It is shown that the mechanism of merging shock waves into a low-frequency quasi-stationary wave is operative in various gases (and vapours) in a wide range of laser spark energies. The application of such a wave for increasing the coupling factor in a laser engine is considered. (interaction of laser radiation with matter)
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2004v034n10ABEH002736