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Paper Abstract and Keywords
Presentation 2025-01-24 14:15
Evaluation of properties of millimeter wave vortex created by hologram filter
Hideki Kawaguchi (Muroran IT), Koich Matsuo, Msahiro Katoh (Hiroshima Univ.) PN2024-58 EMT2024-108 MWPTHz2024-96
Abstract (in Japanese) (See Japanese page) 
(in English) It is pointed out that phenomena of optical vortex can exist not only in visual light frequency but also in any other frequency region such as X-ray, gamma-ray, microwave, millimeter wave frequencies. In particular, vortex phenomena in millimeter wave and microwave have various promising possibilities for industry applications since many highly developed technologies for waveguide and power source are already existed. On the other hand, due to their wavelength size of millimeter wave and microwave, generation of high quality vortex field satisfying paraxial approximation is not easy in the millimeter wave and microwave. In this work, characteristics of millimeter wave vortex fields, which are created by using corrugated waveguide and hologram filter, are evaluated by using FDTD method combining with time-domain boundary integral equation.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical vortex / Millimeter wave / Microwave / FDTD method / Time-Domain boundary integral equation / Near to far fields transform / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 347, EMT2024-108, pp. 88-92, Jan. 2025.
Paper # EMT2024-108 
Date of Issue 2025-01-16 (PN, EMT, MWPTHz) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF PN2024-58 EMT2024-108 MWPTHz2024-96

Conference Information
Committee PN EMT MWPTHz IEE-EMT  
Conference Date 2025-01-23 - 2025-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Arcrea Himeji 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMT 
Conference Code 2025-01-PN-EMT-MWPTHz-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of properties of millimeter wave vortex created by hologram filter 
Sub Title (in English)  
Keyword(1) Optical vortex  
Keyword(2) Millimeter wave  
Keyword(3) Microwave  
Keyword(4) FDTD method  
Keyword(5) Time-Domain boundary integral equation  
Keyword(6) Near to far fields transform  
Keyword(7)  
Keyword(8)  
1st Author's Name Hideki Kawaguchi  
1st Author's Affiliation Muroran Institute of Technology (Muroran IT)
2nd Author's Name Koich Matsuo  
2nd Author's Affiliation Hiroshima University (Hiroshima Univ.)
3rd Author's Name Msahiro Katoh  
3rd Author's Affiliation Hiroshima University (Hiroshima Univ.)
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Speaker Author-1 
Date Time 2025-01-24 14:15:00 
Presentation Time 25 minutes 
Registration for EMT 
Paper # PN2024-58, EMT2024-108, MWPTHz2024-96 
Volume (vol) vol.124 
Number (no) no.346(PN), no.347(EMT), no.348(MWPTHz) 
Page pp.88-92 
#Pages 5 
Date of Issue 2025-01-16 (PN, EMT, MWPTHz) 

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