Generation of an electric signal in the interaction of HF-laser radiation with bottom surface of a water column

Journal Article · Fri Oct 15 00:00:00 EDT 2010 · Quantum Electronics (Woodbury, N.Y.)

DOI:https://doi.org/10.1070/QE2010V040N08ABEH014394· OSTI ID:21471298

Andreev, Stepan N; Kazantsev, S Yu; Kononov, I G; Pashinin, Pavel P; Firsov, K N ^[1]

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1. A M Prokhorov General Physics Institute, Russian Academy of Sciences, Moscow (Russian Federation)

Generation of an electrical signal (ES) is experimentally investigated in the interaction of the pulse of a non-chain electric-discharge HF laser with the bottom surface of a water column. It was found that the ES amplitude is influenced by thin water layers (water contacts) present in the system under study, which undergo mechanical action in the process of water column movement initiated by the laser. Approximately ten-fold increase in the ES amplitude is observed if the water layer is present in the gap between the end of the water cell and surface of the quartz plate covering the cell and having a contact with the top water column boundary, as compared to the case of the free top boundary. Possible reasons for the thin water layer influence on ES characteristics and for the mechanism for the second ES peak origin in collapsing of the vapour cavity produced during water volume explosive boiling under the laser radiation are qualitatively discussed. (interaction of laser radiation with matter. laser plasma)

• OSTI ID: 21471298
• Journal Information: Quantum Electronics (Woodbury, N.Y.), Vol. 40, Issue 8; Other Information: DOI: 10.1070/QE2010v040n08ABEH014394; ISSN 1063-7818
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
AMPLITUDES
BOILING
CAVITIES
ELECTRIC DISCHARGES
ELECTROMAGNETIC PULSES
HYDROFLUORIC ACID
LASER RADIATION
LASERS
LAYERS
PLASMA
PLATES
QUARTZ
SIGNALS
SURFACES
VAPORS
WATER
ELECTROMAGNETIC RADIATION
FLUIDS
FLUORINE COMPOUNDS
GASES
HALOGEN COMPOUNDS
HYDROGEN COMPOUNDS
INORGANIC ACIDS
INORGANIC COMPOUNDS
MINERALS
OXIDE MINERALS
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PULSES
RADIATIONS