Dynamics of Relativistic Laser-Plasma Interaction on Solid Targets
Journal Article
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· Physical Review Letters
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- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- General Atomics, San Diego, CA (United States)
- Univ. of California, San Diego, CA (United States). Dept. of Mechanical and Aerospace Engineering
- The Ohio State Univ., Columbus, OH (United States). College of Mathematical and Physical Sciences
- Princeton Univ., NJ (United States). Dept. of Mechanical and Aerospace Engineering
A novel time-resolved diagnostic is used to record the critical surface motion during picosecond-scale relativistic laser interaction with a solid target. Single-shot measurements of the specular light show a redshift decreasing with time during the interaction, corresponding to a slowing-down of the hole boring process into overdense plasma. On-shot full characterization of the laser pulse enables simulations of the experiment without any free parameters. Finally, two-dimensional particle-in-cell simulations yield redshifts that agree with the data, and support a simple explanation of the slowing-down of the critical surface based on momentum conservation between ions and reflected laser light.
- Research Organization:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA)
- Grant/Contract Number:
- AC52-07NA27344
- OSTI ID:
- 1466949
- Alternate ID(s):
- OSTI ID: 1103471
- Report Number(s):
- LLNL-JRNL-473572; PRLTAO; 473434
- Journal Information:
- Physical Review Letters, Vol. 109, Issue 14; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 37 works
Citation information provided by
Web of Science
Web of Science
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