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Paper Abstract and Keywords
Presentation 2011-01-28 10:00
Broadband Circularly Polarized Cavity-backed Square Slot Antenna with Separated L-probes
Ronald Joseph, Syuhei Nakao, Takeshi Fukusako (Kumamoto Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) A novel cavity backed circularly polarized antenna with a square radiating aperture for broadband characteristics is presented in this paper. The horizontal and vertical components of the antenna are separated and fabricated on the front and back side of the substrate. The antenna is excited by a microstrip line which is connected to vertical component of the L-shaped probe and electromagnetically couples the signal to the horizontal component of the L-shaped probe. Broadband circular polarization (CP)with unidirectional patterns can be obtained by having a square cavity of height λg/4 behind the antenna. A measured bandwidth of 44.8% (2.65-4.18 GHz)in S11 with 44.97% (2.69-4.25 GHz) in axial ratio (AR) characteristics along with an overlapped bandwidth of 43.38% is achieved.
Keyword (in Japanese) (See Japanese page) 
(in English) Circular polarization / L- probe / Backed cavity / Broadband characteristics / / / /  
Reference Info. ITE Tech. Rep., vol. 35, no. 3, BCT2011-20, pp. 81-84, Jan. 2011.
Paper # BCT2011-20 
Date of Issue 2011-01-20 (BCT) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Conference Date 2011-01-27 - 2011-01-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Daiichi institute of technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To BCT 
Conference Code 2011-01-BCT-KYUSHU-BT-AP-S-FUKUOKA 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Broadband Circularly Polarized Cavity-backed Square Slot Antenna with Separated L-probes 
Sub Title (in English)  
Keyword(1) Circular polarization  
Keyword(2) L- probe  
Keyword(3) Backed cavity  
Keyword(4) Broadband characteristics  
1st Author's Name Ronald Joseph  
1st Author's Affiliation Kumamoto University (Kumamoto Univ.)
2nd Author's Name Syuhei Nakao  
2nd Author's Affiliation Kumamoto University (Kumamoto Univ.)
3rd Author's Name Takeshi Fukusako  
3rd Author's Affiliation Kumamoto University (Kumamoto Univ.)
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Date Time 2011-01-28 10:00:00 
Presentation Time 30 
Registration for BCT 
Paper # ITE-BCT2011-20 
Volume (vol) ITE-35 
Number (no) no.3 
Page pp.81-84 
#Pages ITE-4 
Date of Issue ITE-BCT-2011-01-20 

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