Laser-plasma interaction at 10. 6 microns
The absorption mechanisms at 10.6..mu..m are considered. Given our best theoretical knowledge, at high intensity, CO/sub 2/ absorption is a combination of resonant absorption, critical surface decay processes (rippling), and forward and backward Raman scattering. At low intensities (less than 10/sup 14/W/cm/sup 2/), in short pulse CO/sub 2/ experiments, resonant absorption is believed to dominate. The properties of the self generated magnetic fields are considered. These fields greatly affect the hot electron preheat, the lateral transport of energy along the surface of the target, and the enhanced plasma blowoff. And finally, the properties of the enhanced plasma blowoff will be discussed. In directly driven targets, this blowoff represents an energy loss. It has been suggested, however, that the blowoff itself can be used to drive targets.
- Research Organization:
- Los Alamos National Lab., NM (USA)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 5740760
- Report Number(s):
- LA-UR-83-2840; CONF-8305127-2; ON: DE84001038
- Resource Relation:
- Conference: Spring college on radiation in plasmas, Trieste, Italy, 24 May 1983; Other Information: Portions are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
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