Enhanced window breakdown threshold of the split‐horn antenna using an E‐plane field shaper

ABSTRACT A compact split‐horn antenna with a high‐power handling capability to be able to radiate high‐power pulse energy through vacuum dielectric window into the free space without the occurrence of dielectric/air breakdown is proposed at S‐band. To increase the threshold of dielectric/air and vac...

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Bibliographic Details
Published inMicrowave and optical technology letters Vol. 59; no. 2; pp. 442 - 447
Main Authors Choi, Jun‐Ho, Shin, Jin‐Woo, So, Joon‐Ho
Format Journal Article
LanguageEnglish
Published New York Wiley Subscription Services, Inc 01.02.2017
Subjects
Antennas
Apertures
Breakdown
Dielectric breakdown
dielectric/air breakdown
E‐plane field shaper
Handling
high‐power
Microwaves
Shapers
split‐horn antenna
Thresholds
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Summary:ABSTRACT A compact split‐horn antenna with a high‐power handling capability to be able to radiate high‐power pulse energy through vacuum dielectric window into the free space without the occurrence of dielectric/air breakdown is proposed at S‐band. To increase the threshold of dielectric/air and vacuum/dielectric breakdown, it uses the special E‐plane field shaper at the edges of the split‐horn aperture. The proposed split‐horn antenna has a high‐power handling capability of 50 MW which is five times larger than that of the conventional split‐horn antenna of 10 MW for the air breakdown threshold of 30 kV cm−1 as well as a similar antenna gain and a radiation pattern. © 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 59:442–447, 2017
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ISSN:0895-2477
1098-2760
DOI:10.1002/mop.30302