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Paper Abstract and Keywords
Presentation 2019-10-24 11:15
T-Junction OMT with 45-degree tilted Waveguide Ports
Hidenori Yukawa, Yu Ushijima, Toru Takahashi, Naofumi Yoneda, Moriyasu Miyazaki (Mitsubishi Ele. Corp.) EMCJ2019-41 MW2019-70 EST2019-49
Abstract (in Japanese) (See Japanese page) 
(in English) A T-junction OMT (Ortho-Mode-Transducer) is well known as one of waveguide components that separate two orthogonal linear polarizations in the same frequency band. It is formed by a short circuited common circular waveguide section exhibiting two rectangular waveguide ports at the short circuit situated at opposed side walls. One of the advantages of the T-junction OMT is short axial length. However, for its asymmetry, it is difficult to realize the wideband performances.We propose a symmetrical T-junction OMT to realize the wideband performances. The proposed configuration has two waveguides which are 45-degree tilted to the short circuit. We fabricated a proposed T-junction OMT in a single piece of an aluminum alloy, using a commercial metal 3D-printer. The measurement results were in agreement with the calculated results well, and the validity of the proposed OMT was confirmed.
Keyword (in Japanese) (See Japanese page) 
(in English) Antenna feed systems / Waveguide / OMT / 3D-printer / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 242, MW2019-70, pp. 27-32, Oct. 2019.
Paper # MW2019-70 
Date of Issue 2019-10-17 (EMCJ, MW, EST) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
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reproduction
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF EMCJ2019-41 MW2019-70 EST2019-49

Conference Information
Committee EMCJ MW EST IEE-EMC  
Conference Date 2019-10-24 - 2019-10-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku Gakuin University(Conf. Room 2, Eng. Bldg. 1) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) EMC, Microwave, Electromagnetic field simulation. 
Paper Information
Registration To MW 
Conference Code 2019-10-EMCJ-MW-EST-EMC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) T-Junction OMT with 45-degree tilted Waveguide Ports 
Sub Title (in English)  
Keyword(1) Antenna feed systems  
Keyword(2) Waveguide  
Keyword(3) OMT  
Keyword(4) 3D-printer  
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1st Author's Name Hidenori Yukawa  
1st Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Ele. Corp.)
2nd Author's Name Yu Ushijima  
2nd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Ele. Corp.)
3rd Author's Name Toru Takahashi  
3rd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Ele. Corp.)
4th Author's Name Naofumi Yoneda  
4th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Ele. Corp.)
5th Author's Name Moriyasu Miyazaki  
5th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Ele. Corp.)
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Speaker
Date Time 2019-10-24 11:15:00 
Presentation Time 20 
Registration for MW 
Paper # IEICE-EMCJ2019-41,IEICE-MW2019-70,IEICE-EST2019-49 
Volume (vol) IEICE-119 
Number (no) no.241(EMCJ), no.242(MW), no.243(EST) 
Page pp.27-32 
#Pages IEICE-6 
Date of Issue IEICE-EMCJ-2019-10-17,IEICE-MW-2019-10-17,IEICE-EST-2019-10-17 


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