Full-Trajectory Diagnosis of Laser-Driven Radiative Blast Waves in Search of Thermal Plasma Instabilities

Journal Article · Fri Feb 08 04:00:00 EST 2008 · Physical Review Letters

DOI:https://doi.org/10.1103/PHYSREVLETT.100.055001· OSTI ID:21024718

Moore, A S; Gumbrell, E T; Lazarus, J; Hohenberger, M; Robinson, J S; Smith, R A; Plant, T J. A.; Symes, D R; Dunne, M ^[1]

---

1. Plasma Physics Division, AWE Aldermaston, RG7 4PR. United Kingdom (United Kingdom)

Experimental investigations into the dynamics of cylindrical, laser-driven, high-Mach-number shocks are used to study the thermal cooling instability predicted to occur in astrophysical radiative blast waves. A streaked Schlieren technique measures the full blast-wave trajectory on a single-shot basis, which is key for observing shock velocity oscillations. Electron density profiles and deceleration parameters associated with radiative blast waves were recorded, enabling the calculation of important blast-wave parameters including the fraction of radiated energy, {epsilon}, as a function of time for comparison with radiation-hydrodynamics simulations.

• OSTI ID: 21024718
• Journal Information: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 5 Vol. 100; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ACCELERATION
ASTROPHYSICS
BLAST EFFECTS
ELECTRON DENSITY
EXPLOSIONS
HYDRODYNAMICS
LASERS
MACH NUMBER
OSCILLATIONS
PLASMA INSTABILITY
SIMULATION
TIME DEPENDENCE