Design of low over-moded high power microwave rectangular-circular mode converter

zhao lishan; yuan chengwei; zhang jiande; zhang qiang

Volume 23 Issue 11

Sep. 2012

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(11): 0-

pan ya-feng, peng jian-chang, song xiao-xin, et al. Theoretical research on spiral Blumlein line[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

zhao lishan, yuan chengwei, zhang jiande, et al. Design of low over-moded high power microwave rectangular-circular mode converter[J]. High Power Laser and Particle Beams, 2011, 23.

pan ya-feng, peng jian-chang, song xiao-xin, et al. Theoretical research on spiral Blumlein line[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

zhao lishan, yuan chengwei, zhang jiande, et al. Design of low over-moded high power microwave rectangular-circular mode converter[J]. High Power Laser and Particle Beams, 2011, 23.

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Design of low over-moded high power microwave rectangular-circular mode converter

1.
College of Opto-electric Science and Engineering,National University of Defense Technology,Changsha 410073,China

Publish Date: 2011-11-29

Abstract

Abstract

A kind of high power microwave mode converter is designed, which is lowly over-moded with input and output wave-ports perpendicular to each other. The converter can convert TM01 mode in a circular waveguide to TE10 mode in a rectangular waveguide, and works in C-band with a central frequency of 4.1 GHz. The results of simulation show that the energy conversion efficiency of the mode converter is up to 99% at 4.1 GHz, and the return loss is less than -20 dB. The bandwidth in which the conversion efficiency exceeds 90% is larger than 0.2 GHz. Its dimension is about 10 cm in each direction.
- high power microwave,
- mode converter,
- rectangular waveguide,
- circular waveguide,
- te10 mode,
- tm01 mode

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