Generation of Short Pulse Microwave via Superluminous DC to AC Radiation Converter
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概要
- 論文の詳細を見る
A frequency upshift of a short microwave pulse is generated by the interaction between a relativistic, a periodic electrostatic field and underdense ionization front propagating with higher than the speed of light. When the ionization front propagates higher than the speed of light between structure, we observe further frequency upshift of 8 GHz compared with a conventional DC to AC radiation converter (DARC) case which has typically 16 GHz at a plasma density of $n_{0}=2\times 10^{12}$ cm-3. The frequency of the emitted radiation depends on the speed of the inoizaion front, i.e., the angle between structure and laser propagation direction. The frequency of the emitted radiation is reasonable agreement with the theoretical values.
- Japan Society of Applied Physicsの論文
- 2005-10-10
著者
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NIIYAMA Toshihiko
Ishikawajima-Harima Heavy Industries Co., Ltd.
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HIGASHIGUCHI Takeshi
Miyazaki University
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TAKAHASHI Kenji
IDX Technologies
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Yugami Noboru
Department Of Eiectrical And Eiectronic Engineering Utsunomiya University
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Higashiguchi Takeshi
Miyazaki University, Miyazaki 889-2191, Japan
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Takahashi Kenji
IDX Technologies, Sano, Tochigi 327-0103, Japan
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Niiyama Toshihiko
Ishikawajima-Harima Heavy Industries Co., Ltd., Tokyo 100-0005, Japan
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Yugami Noboru
Department of Energy and Environmental Science, Graduate School of Engineering, Utsunomiya University, 7-1-2 Yoto, Utsunomiya 321-8585, Japan
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