Author:
WERDIGER M.,ELIEZER S.,MAMAN S.,HOROVITZ Y.,ARAD B.,HENIS Z.,GOLDBERG I.B.
Abstract
Holographic methods developed to study the behavior
of surfaces shocked by high power lasers are reported.
Shock waves of the order of hundreds of kilobars are generated
in Sn targets 50-μm thick, by a Nd:YAG laser system
with a wavelength of 1.06 μm, a pulse duration of 7.5
ns FWHM, and irradiance in the range (1.0–2.6)·1013
W/cm2. Two configurations of off-axis holography
were applied: holograms based on forward scattering, and
holograms of both backward and forward scattering. The
hologram is produced by scattering of a pulse, 6.7 ns (FWHM),
of green laser light synchronized with the laser that generates
the shock wave. Holograms of the topology of the rear surface
of shocked Sn targets moving in vacuum and in air (at atmospheric
pressure) are reported.
Subject
Electrical and Electronic Engineering,Condensed Matter Physics,Atomic and Molecular Physics, and Optics
Cited by
6 articles.
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