Image processing of radiographs in 3D Rayleigh-Taylor decelerating interface experiments

Details Image processing of radiographs in 3D Rayleigh-Taylor decelerating interface experiments Image processing of radiographs in 3D Rayleigh-Taylor decelerating interface experiments

Aug 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009ap%26ss.322...49k&link_type=abstract

Astrophysics and Space Science, Volume 322, Issue 1-4, pp. 49-55

Astronomy and Astrophysics

Astrophysics

1

Supernovae, Hydrodynamic Instabilities, Laboratory Astrophysics

Scientific paper

This paper discusses high-energy-density laboratory astrophysics experiments exploring the Rayleigh-Taylor instability under conditions similar to the blast wave driven, outermost layer in a core-collapse supernova. The planar blast wave is created in an experimental target using the Omega laser. The blast wave crosses an unstable interface with a seed perturbation machined onto it. The perturbation consists of a 3D “egg crate” pattern and, in some cases, an additional longer wavelength mode is added to this 3D, single-mode pattern. The main diagnostic of this experiment is x-ray radiography. This paper explores an image processing technique to improve the identification and characterization of structure in the radiographic data.

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