Second harmonic emission from an underdense laser-produced plasma and filamentation
Journal Article
·
· Phys. Fluids; (United States)
It is shown theoretically that filamentation can lead to sizable second harmonic generation. The 2..omega../sub 0/ radiation is emitted into a forward-directed cone, its angle determined by the wavelength of the fundamental radiation in the plasma waveguide. Experimental observations confirm the theoretical predictions. Aside from the forward-directed emission cone, non-negligible 2..omega../sub 0/ power is detected over a broad angular range in the backward direction showing a broadened red-shifted spectrum.
- Research Organization:
- Department of Physics, University of British Columbia, Vancouver, British Columbia V6T 2A6, Canada
- OSTI ID:
- 6766252
- Journal Information:
- Phys. Fluids; (United States), Journal Name: Phys. Fluids; (United States) Vol. 30:3; ISSN PFLDA
- Country of Publication:
- United States
- Language:
- English
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