A Method for Pulse Shortening of High-Power Millimeter Waves Using Plasma Breakdown

Citation data:

IEEE Transactions on Plasma Science, ISSN: 0093-3813, Vol: 44, Issue: 8, Page: 1320-1323

Publication Year:
2016
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Repository URL:
http://ieeexplore.ieee.org/document/7501872/?arnumber=7501872
DOI:
10.1109/tps.2016.2580706
Author(s):
Dongsung Kim, Mun Seok Choe, Dongho Yu, Eun Mi Choi, Ashwini Sawant
Publisher(s):
Institute of Electrical and Electronics Engineers (IEEE)
Tags:
Physics and Astronomy, RF pulse shortening, Gyrotron, high-power sources, millimeter waves, plasma heating
article description
We report an efficient pulse shortening technique of a high-power millimeter source using plasma breakdown. A W-band gyrotron with a frequency of 95 GHz and an output power of 30 kW was used for the demonstration. The pulse shortening technique was based on plasma breakdown phenomena that do not need any change in the high-power source and its modulator. The pulse shortening of a factor of 20 was demonstrated. This method may provide a simple and compact system for controlling the RF pulse length without modifying the main millimeter-wave system.

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