2ND-HARMONIC LIGHT GENERATION IN THE INTERACTION OF LASER-BEAMS WITH UNDERCRITICAL PLASMAS

Authors
BATANI D GIULIETTI A BIANCALANA V BIANCONI F BORGHESI M CHESSA P GIULIETTI D GIZZI L DEHA I SCHIFANO E
Citation
D. Batani et al., 2ND-HARMONIC LIGHT GENERATION IN THE INTERACTION OF LASER-BEAMS WITH UNDERCRITICAL PLASMAS, Physics essays, 7(1), 1994, pp. 87-94
Citations number
NO
Categorie Soggetti
Physics
Journal title
Physics essays → ACNP
ISSN journal
08361398
Volume
7
Issue
1
Year of publication
1994
Pages
87 - 94
Database
ISI
SICI code
0836-1398(1994)7:1<87:2LGITI>2.0.ZU;2-N
Abstract
The process of second harmonic generation (SHG) in undercritical plasm as is studied. It is shown that filamentation and self-focusing of the laser beam in the plasma can break the plasma density symmetry and le ad to SHG by free electrons. In turn, second harmonic emission may be used to investigate the plasma parameters and to diagnose the process of laser beam filamentation itself.