Absorption waves maintained by CO laser radiation

Journal Article · Thu Sep 01 04:00:00 EDT 1983 · Sov. J. Quant. Electron. (Engl. Transl.); (United States)

DOI:https://doi.org/10.1070/QE1983v013n09ABEH004611· OSTI ID:5207544

Bakeev, A A; Vasil'ev, L A; Zemskov, M E; Kazakevich, V S; Kovsh, I B; Lytkin, A P; Nikolashina, L I; Prokopenko, N V; Yakovlev, V Y

An experimental investigation was made of the action of pulsed CO laser radiation on metals in a power density range, averaged over the focal spot, of from 0.5 to 2.5 MW/cm/sup 2/. It was found that on restricting the radial expansion of the plasma jet a transition occurred from an evaporation interaction regime to an absorption wave in air. The experimentally determined parameters of the absorption wave were compared with those calculated on the basis of one-dimensional theories of a subsonic radiation wave and of optical detonation. Data are obtained on the thresholds for the formation of plasma near metal surfaces.

• Research Organization: P. N. Lebedev Physics Institute, Academy of Sciences of the USSR, Moscow
• OSTI ID: 5207544
• Journal Information: Sov. J. Quant. Electron. (Engl. Transl.); (United States), Journal Name: Sov. J. Quant. Electron. (Engl. Transl.); (United States) Vol. 13:9; ISSN SJQEA
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700106* -- Fusion Energy-- Plasma Research-- Plasma Production-- (-1987)
ABSORPTION
CARBON MONOXIDE LASERS
ELECTROMAGNETIC RADIATION
ELEMENTS
ENERGY ABSORPTION
FOCUSING
GAS LASERS
LASER RADIATION
LASER-PRODUCED PLASMA
LASERS
METALS
PLASMA
PLASMA PRODUCTION
RADIATIONS
SURFACES