Second harmonic generation of stimulated raman scattered light in underdense plasmas
Journal Article
·
· Physical Review Letters
- Plasma Physics Division, Naval Research Laboratory, Washington, DC 20375 (United States)
Experiments examining nonlinear scattering mechanisms of high intensity (2{times}10{sup 18}W/cm{sup 2}) laser light in underdense plasmas were performed. Redshifted second harmonic emission at 45{degree} from the directly backscatterd direction was observed from field ionized plasmas having electron densities ranging up to 10{sup 19}cm{sup {minus}3}. This result is consistent with the doubling of stimulated Raman scattered light from large plasma electron density gradients produced by ponderomotive cavitation. {copyright} {ital 1995} {ital The} {ital American} {ital Physical} {ital Society}.
- OSTI ID:
- 146764
- Journal Information:
- Physical Review Letters, Vol. 75, Issue 20; Other Information: PBD: 13 Nov 1995
- Country of Publication:
- United States
- Language:
- English
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