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

D. Batani, A. Giulietti, V. Biancalana, F. Bianconi, Marco Borghesi, P. Chessa, D. Giulietti, L. Gizzi, I. Deha, E. Schifano

Research output: Contribution to journalArticle

Abstract

The process of second harmonic generation (SHG) in undercritical plasmas is studied. It is shown that filamentation and self-focusing of the laser beam in the plasma can break the plasma density symmetry and lead 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.
Original languageEnglish
Pages (from-to)87-94
Number of pages8
JournalPHYSICS ESSAYS
Volume7
Publication statusPublished - 1994

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    Batani, D., Giulietti, A., Biancalana, V., Bianconi, F., Borghesi, M., Chessa, P., Giulietti, D., Gizzi, L., Deha, I., & Schifano, E. (1994). 2ND-HARMONIC LIGHT GENERATION IN THE INTERACTION OF LASER-BEAMS WITH UNDERCRITICAL PLASMAS. PHYSICS ESSAYS, 7, 87-94.