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

被引：28

作者：

Jang, Kyu-Ha ^{[1
]}

Jeon, Seok-Gy ^{[1
]}

Kim, Jung-Il ^{[1
]}

Won, Jong-Hyo ^{[1
]}

So, Jin-Kyu ^{[1
]}

Bak, Seung-Ho ^{[1
]}

Srivastava, Anurag ^{[1
]}

Jung, Sun-Shin ^{[1
]}

Park, Gun-Sik ^{[1
]}

机构：

[1] Seoul Natl Univ, Dept Phys & Astron, Seoul 151747, South Korea

来源：

APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 21期

关键词：

cavity resonators; dielectric materials; dielectric resonator oscillators; klystrons; microwave oscillators; optical resonators; photonic band gap; photonic crystals;

D O I：

10.1063/1.3037026

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

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.

引用

页数：3

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