Experiments of Frequency Upshift by Use of a Laser-Produced Ionization Front
Journal Article
·
· AIP Conference Proceedings
- Department of Energy and Environmental Science, Graduate School of Engineering, Utsunomiya University, 7-1-2 Yoto, Utsunomiya, Tochigi 321-8585 (Japan)
In a DC to AC radiation converter (DARC) source, a short microwave wave pulse was emitted by the interaction between a periodic electrostatic field and a laser-produced ionization front. An emission frequency was observed from 8 to 42 GHz and depended on a plasma density, a perpendicular DC magnetic field strength, and a cut-off frequency (i.e., boundary effect) of the rectangular waveguide, respectively. The short THz pulse emission from a femtosecond-laser-pumped DARC source was also demonstrated by use of a 150-fs Ti:sapphire laser pulse.
- OSTI ID:
- 20898753
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 877; ISSN 0094-243X; ISSN APCPCS
- Country of Publication:
- United States
- Language:
- English
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