Interaction of 1. 06. mu. m laser radiation with variable Z-bar targets
Parylene (C/sub 8/H/sub 8/) and tungsten-glass (W/sub 2/O/P/sub 2/O/sub 5/) disks have been irradiated with 150--400 psec Nd:YAG-glass laser pulses focused to diameters of 250--300 ..mu..m with flux levels in the 10/sup 13/--10/sup 15/ W/cm/sup 2/ range. An extensive array of diagnostics was used to measure the temporal and energy distributions of the focused laser light at the target, the angular distribution of the scattered laser light, the x-ray spatial and spectral emission characteristics, and the emitted ion and electron distributions. Analysis of the experimental results indicates that the laser-plasma interaction was characterized by a variety of collective phenomena which appeared stronger in the tungsten-glass experiments.
- Research Organization:
- University of California, Lawrence Livermore Laboratory, Livermore, California 94550
- OSTI ID:
- 7057739
- Journal Information:
- Phys. Fluids; (United States), Journal Name: Phys. Fluids; (United States) Vol. 21:9; ISSN PFLDA
- Country of Publication:
- United States
- Language:
- English
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Observation and simulation of effects on parylene disks irradiated at high intensities with a 1. 06-. mu. m laser
Plasma experiments with 1. 06. mu. m lasers at the Lawrence Livermore Laboratory
Related Subjects
360603* -- Materials-- Properties
ANGULAR DISTRIBUTION
CALORIMETRY
CHALCOGENIDES
COMPUTER CODES
DISTRIBUTION
ELECTROMAGNETIC RADIATION
ELECTRON EMISSION
EMISSION
EMISSION SPECTRA
ENERGY SPECTRA
GLASS
HYDROCARBONS
INFRARED RADIATION
L CODES
LASER RADIATION
LASERS
LIGHT SCATTERING
NEODYMIUM LASERS
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PHOTOELECTRIC EMISSION
RADIATIONS
SOLID STATE LASERS
SPECTRA
SPECTROSCOPY
TRANSITION ELEMENT COMPOUNDS
TUNGSTEN COMPOUNDS
TUNGSTEN OXIDES
X-RAY SPECTROSCOPY