TITLE

High order mode oscillation in a terahertz photonic-band-gap multibeam reflex klystron

AUTHOR(S)
Jang, Kyu-Ha; Jeon, Seok-Gy; Kim, Jung-Il; Won, Jong-Hyo; So, Jin-Kyu; Bak, Seung-Ho; Srivastava, Anurag; Jung, Sun-Shin; Park, Gun-Sik
PUB. DATE
November 2008
SOURCE
Applied Physics Letters;11/24/2008, Vol. 93 Issue 21, p211104
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
TM330-like higher order mode was excited in a multibeam reflex klystron oscillator employing a hybrid photonic-band-gap (PBG) cavity using a three-dimensional particle-in-cell simulation. One side of a conventional metal cavity was replaced with a dielectric photonic crystal lattice to form a hybrid PBG resonator that uses lattice band-gap effects resulting in a more uniform field of a higher order mode as well as the exclusion of some conventional-cavity-type modes, thereby reducing mode competition. Simulated reflex klystron in the hybrid PBG cavity produced an output power much higher than could be delivered in a conventional metal cavity.
ACCESSION #
35605058

 

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