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Characterization of laser-driven ultrafast shockless compression using gold targets.
- Source :
- Journal of Applied Physics; 2014, Vol. 116 Issue 4, p043521-1-043521-4, 4p, 1 Diagram, 3 Graphs
- Publication Year :
- 2014
-
Abstract
- Indirect laser-driven shockless compression experiments on gold targets were performed to characterize pressure loading processes and target states. Free surface velocities of the gold target under ramped pressure loading were measured using line-imaging velocity interferometers. From the velocity data and the equation of state, the maximum pressure and strain rate attained under compression were estimated to be ~50 GPa and ~4×10<superscript>7</superscript> s<superscript>-1</superscript>, respectively. Optical reflectivity was measured simultaneously with the velocity, the result suggesting no significant or unexpected temperature increases in the ultrafast shockless compression process. [ABSTRACT FROM AUTHOR]
- Subjects :
- FREE surfaces (Crystallography)
LASERS
GOLD
INTERFEROMETERS
VELOCITY
REFLECTANCE
Subjects
Details
- Language :
- English
- ISSN :
- 00218979
- Volume :
- 116
- Issue :
- 4
- Database :
- Complementary Index
- Journal :
- Journal of Applied Physics
- Publication Type :
- Academic Journal
- Accession number :
- 97312149
- Full Text :
- https://doi.org/10.1063/1.4891802