Laser-plasma chemistry: principles and applications

Irena Matulková; Libor Juha

doi:10.1117/12.2011333

30 January 2013 Laser-plasma chemistry: principles and applications

Irena Matulková, Libor Juha

Proceedings Volume 8677, XIX International Symposium on High-Power Laser Systems and Applications 2012; 86770C (2013) https://doi.org/10.1117/12.2011333
Event: XIX International Symposium on High-Power Laser Systems and Applications, 2012, Istanbul, Turkey

Abstract

Laser-plasma chemistry has become a rapidly rising field in science and technology. Current interest in the process called laser-induced dielectric breakdown, while the phenomenon is called a laser spark, is mainly motivated by a rapidly growing area of their applications in the study of chemical reactions and their utilization in chemical analysis. A systematic study of chemical reactions initiated by laser sparks is based on finding simple reproducible conditions for the formation of small biomolecules, the preparation of well-defined fine particles, laser ignition of fuel mixtures, and so on. Research on LIDB-initiated chemical reactions has been triggered again recently by the advent of nanotechnologies. The systematic part of this contribution describes the laser-plasma-chemical behaviour of simple inorganic gases and their mixtures, and metallic and organic vapours. The strongest motivation for the studying laser-spark chemistry comes from the planetary sciences, where laser sparks have been used as a laboratory model of high-energy-density phenomena (e.g., cometary impact, lightning) in planetary atmospheres. This contribution is primarily focused on the laser-plasma chemistry of homogeneous gases, but chemical consequences of LIDB in liquids (laser cavitation) and on liquid-solid and gas-solid interfaces are also briefly reviewed. Particular processes responsible for the chemical action of a laser spark are identified and discussed.

Citation Download Citation

Irena Matulková and Libor Juha "Laser-plasma chemistry: principles and applications", Proc. SPIE 8677, XIX International Symposium on High-Power Laser Systems and Applications 2012, 86770C (30 January 2013); https://doi.org/10.1117/12.2011333

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KEYWORDS

Plasma

Liquids

Chemistry

Pulsed laser operation

Laser applications

Atmospheric modeling

Chemical reactions

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