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Proceedings Paper

Generation of second harmonics in an iodine-laser-produced plasma
Author(s): Karel Masek; Karel Rohlena; Josef Krasa; O. Stirand; Milos Chvojka; Bozena Kralikova; Jiri Skala; E. Krousky
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Paper Abstract

The second harmonic (SH) signal was monitored from a laser plasma created on an Al foil target by the pulses of an iodine photodissociation laser system. Both the time integrated spectra and the time dependence of the output from a narrow spectral interval in the vicinity of the SH were measured. For a p-polarized wave the spectra indicate regions of resonant absorption and of parametric turbulence. Interpretations of physical mechanisms underlying both the spectral regions are given. The dependence of the SH intensity on the incident laser power density is not clearly understood in all cases, but it seems to indicate a possible role of the plasma density scale length changing with the laser energy.

Paper Details

Date Published: 23 April 1993
PDF: 8 pages
Proc. SPIE 1980, Iodine Lasers and Applications, (23 April 1993); doi: 10.1117/12.144509
Show Author Affiliations
Karel Masek, Institute of Physics (Czech Republic)
Karel Rohlena, Institute of Physics (Czech Republic)
Josef Krasa, Institute of Physics (Czech Republic)
O. Stirand, Institute of Physics (Czech Republic)
Milos Chvojka, Institute of Physics (Czech Republic)
Bozena Kralikova, Institute of Physics (Czech Republic)
Jiri Skala, Institute of Physics (Czech Republic)
E. Krousky, Institute of Physics (Czech Republic)

Published in SPIE Proceedings Vol. 1980:
Iodine Lasers and Applications
Milos Chvojka; Jarmila Kodymova; Bozena Kralikova, Editor(s)

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