Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/xmlui/handle/123456789/21784
Title: Time resolved interferometric study of the plasma plume induced shock wave in confined geometry: Two-dimensional mapping of the ambient and plasma density
Authors: CHOUDHURY, K
SINGH, RK
NARAYAN, S
SRIVASTAVA, A
KUMAR, A
Keywords: Laser-Induced Plasma
Windowed-Fourier-Transform
Ablation
Mass
Air
Nanoparticles
Propagation
Tomography
Field
Gas
Issue Date: 2016
Publisher: AMER INST PHYSICS
Citation: PHYSICS OF PLASMAS,23(4)
Abstract: An experimental investigation of the laser produced plasma induced shock wave in the presence of confining walls placed along the axial as well as the lateral direction has been performed. A time resolved Mach Zehnder interferometer is set up to track the primary as well as the reflected shock waves and its effect on the evolving plasma plume has been studied. An attempt has been made to discriminate the electronic and medium density contributions towards the changes in the refractive index of the medium. Two dimensional spatial distributions for both ambient medium density and plasma density (electron density) have been obtained by employing customised inversion technique and algorithm on the recorded interferograms. The observed density pattern of the surrounding medium in the presence of confining walls is correlated with the reflected shock wave propagation in the medium. Further, the shock wave plasma interaction and the subsequent changes in the shape and density of the plasma plume in confined geometry are briefly described. Published by AIP Publishing.
URI: http://dx.doi.org/10.1063/1.4947032
http://localhost:8080/xmlui/handle/123456789/21784
ISSN: 1070-664X
1089-7674
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