Generation of terahertz radiation in the reflection of a laser pulse from a dense plasma
Journal Article
·
· Plasma Physics Reports
- Russian Academy of Sciences, Joint Institute for High Temperatures (Russian Federation)
The generation of low-frequency (terahertz) electromagnetic radiation in the reflection of a laser pulse from the boundary of a dense plasma is considered. Low-frequency wave electromagnetic fields in vacuum are excited by a vortex electric current that is induced at the plasma boundary by the ponderomotive force of the laser pulse. The spectral, angular, and energy parameters of the low-frequency radiation, as well as the spatiotemporal structure of the emitted waves, are investigated. It is shown that for typical parameters of present-day laser plasma experiments, the power of terahertz radiation can amount to tens of megawatts.
- OSTI ID:
- 21100114
- Journal Information:
- Plasma Physics Reports, Vol. 33, Issue 12; Other Information: DOI: 10.1134/S1063780X07120069; Copyright (c) 2007 Nauka/Interperiodica; Article Copyright (c) 2007 Pleiades Publishing, Ltd; Country of input: International Atomic Energy Agency (IAEA); ISSN 1063-780X
- Country of Publication:
- United States
- Language:
- English
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