TRANSIENT FILAMENTATION OF A LASER-BEAM IN A THERMAL FORCE DOMINATED PLASMA

Authors
LAL AK MARSH KA CLAYTON CE JOSHI C MCKINSTRIE CJ JOHNSTON TW
Citation
Ak. Lal et al., TRANSIENT FILAMENTATION OF A LASER-BEAM IN A THERMAL FORCE DOMINATED PLASMA, Physical review letters, 78(4), 1997, pp. 670-673
Citations number
27
Categorie Soggetti
Physics
Journal title
Physical review letters → ACNP
ISSN journal
00319007
Volume
78
Issue
4
Year of publication
1997
Pages
670 - 673
Database
ISI
SICI code
0031-9007(1997)78:4<670:TFOALI>2.0.ZU;2-0
Abstract
Experimental evidence for the transient phase of the filamentation ins tability of a laser beam in a thermal force dominated plasma is presen ted. When the laser beam is crossed with a weaker degenerate probe bea m at a small angle, the interference of the two beams drives a thermal ly enhanced ion grating which during its transient phase acts to seed the filamentation/forward Brillouin instability.