Referenced Items are not available for this document.
Reported are the results of a harmonic generation experiment in a simple gas (hydrogen) using 1-ps, 1-μm laser pulses with a range of intensities extending from below to far above the laser ionization saturation threshold. The scaling with intensity above saturation of the third harmonic generated by a single laser-pulse in a filled gas cell is observed not to fit with a simple model that takes into consideration volume ionization effects alone. In another experiment, a pump-probe type, an upper limit on the conversion efficiency of third-harmonic generation in a preformed plasma is determined. It is found to be in agreement with the efficiency predicted by a relativistic harmonic generation theory
Published in:
Plasma Science, IEEE Transactions on
(Volume:21
,
Issue:
1
)
Date of Publication: Feb 1993
- Page(s):
- 90 - 94
- ISSN :
- 0093-3813
- INSPEC Accession Number:
- 4443232
- Digital Object Identifier :
- 10.1109/27.221106
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Feb 1993
- Sponsored by :
- IEEE Nuclear and Plasma Sciences Society
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