Interferometric investigation of shock waves induced by a TEA-CO/sub 2/ laser-produced plasma in air in front of a solid target

Journal Article · Fri Feb 01 00:00:00 EST 1980 · J. Appl. Phys.; (United States)

DOI:https://doi.org/10.1063/1.327694· OSTI ID:5551419

Apostol, D; Apostol, I; Cojocaru, E; Draganescu, V; Mihailescu, I N; Morjan, I; Konov, V I

The shock waves induced in the surrounding atmosphere by an air plasma were investigated by laser interferometry. The air-breakdown plasma was produced by a TEA-CO/sub 2/ laser in front of a solid target. The results were compared to the predictions of the theory of intense explosions in gases and a good agreement was inferred. It was also determined that the symmetry of the expansion of the initial shock wave is determined by the plasma-source shape and, accordingly, depends on the laser power density incident on the target surface. However, for further stages all the shock waves expand spherically.

• Research Organization: Lasers Department-IFTAR, Central Institute of Physics, Bucharest-Romania
• OSTI ID: 5551419
• Journal Information: J. Appl. Phys.; (United States), Vol. 51:2
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
LASER-PRODUCED PLASMA
INTERFEROMETRY
SHOCK WAVES
AIR
BREAKDOWN
EXPLOSIONS
POWER DENSITY
SPHERES
SURFACES
SYMMETRY
TARGETS
FLUIDS
GASES
PLASMA
700106* - Fusion Energy- Plasma Research- Plasma Production- (-1987)