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Journal of Electromagnetic Waves and Applications Volume 26, 2012 - Issue 17-18
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Articles

Photo-plasma-switched radiation antenna

C.-H. Chen HOPE Laboratory, Department of Electrical Engineering, National Tsinghua University, Hsinchu, 30013, Taiwan
,
K.-Y. Huang HOPE Laboratory, Department of Electrical Engineering, National Tsinghua University, Hsinchu, 30013, Taiwan
,
M.-H. Wu HOPE Laboratory, Department of Electrical Engineering, National Tsinghua University, Hsinchu, 30013, Taiwan
&
Y.-C. Huang HOPE Laboratory, Department of Electrical Engineering, National Tsinghua University, Hsinchu, 30013, TaiwanCorrespondence[email protected]
Pages 2452-2458 | Received 10 Aug 2012, Accepted 24 Sep 2012, Published online: 19 Oct 2012
 
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Abstract

We report a photo-plasma-switched metal antenna with radiation power 3–4 orders of magnitude higher than that from a direct laser-excited antenna without the switch. With no concern on laser damage of the photo-plasma switch, this antenna is promising for generating MW–GW-pulsed radiation in the microwave and perhaps millimeter-wave regime.

Acknowledgment

This project is supported in part by the National Science Council under Contract NSC 99-2112-M-007-013-MY3 and the NTHU Frontier Research Center on Fundamental and Applied Sciences of Matters.

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