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Paper Abstract and Keywords
Presentation 2024-01-25 15:10
An antenna system for non-diffraction beam at the 28GHz band
Takumi Harada, Fujimoto Takafumi, Chai-Eu Guan, Tanaka Toshiyuki (Nagasaki Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) In this study, we examine a method for generating non-diffraction beam, which have been confirmed in the optical area, using radio waves at the 28 GHz band. The system consists of a primary radiator, a radio wave absorber with an annular slit, and a thin lens. We have already conducted studies at the 100 GHz band, and we also confirmed that the electric field distribution after passing through the lens differs depending on the presence or absence of a radio wave absorber with an annular slit at 28 GHz. We will discuss the conditions necessary to generate non-diffraction beam for a radio wave absorber and a thin lens.
Keyword (in Japanese) (See Japanese page) 
(in English) non-diffraction beam / millimeter wave / absorber / / / / /  
Reference Info. ITE Tech. Rep., vol. 48, no. 2, BCT2024-5, pp. 19-22, Jan. 2024.
Paper # BCT2024-5 
Date of Issue 2024-01-18 (BCT) 
ISSN Online edition: ISSN 2424-1970
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Conference Information
Conference Date 2024-01-25 - 2024-01-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Saga Univ., Honjo Campus, Liberal Art Education Bldg 1, No. 143 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To BCT 
Conference Code 2024-01-BCT-KYUSHU-BT-AP-S-FUKUOKA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An antenna system for non-diffraction beam at the 28GHz band 
Sub Title (in English)  
Keyword(1) non-diffraction beam  
Keyword(2) millimeter wave  
Keyword(3) absorber  
1st Author's Name Takumi Harada  
1st Author's Affiliation Nagasaki University (Nagasaki Univ.)
2nd Author's Name Fujimoto Takafumi  
2nd Author's Affiliation Nagasaki University (Nagasaki Univ.)
3rd Author's Name Chai-Eu Guan  
3rd Author's Affiliation Nagasaki University (Nagasaki Univ.)
4th Author's Name Tanaka Toshiyuki  
4th Author's Affiliation Nagasaki University (Nagasaki Univ.)
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Speaker Author-1 
Date Time 2024-01-25 15:10:00 
Presentation Time 20 minutes 
Registration for BCT 
Paper # BCT2024-5 
Volume (vol) vol.48 
Number (no) no.2 
Page pp.19-22 
Date of Issue 2024-01-18 (BCT) 

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