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Title
Japanese: 
English:Wideband Design of a 350GHz-band Corporate-feed Waveguide Slot Array Antenna using Gold-coating Silicon Wafers with Different Thickness 
Author
Japanese: 倉本 航, 戸村 崇, 廣川 二郎, Adrian Gomez, Joachim Oberhammer.  
English: Wataru Kuramoto, Takashi Tomura, Jiro Hirokawa, Adrian Gomez, Joachim Oberhammer.  
Language English 
Journal/Book name
Japanese: 
English: 
Volume, Number, Page        
Published date Oct. 2019 
Publisher
Japanese: 
English: 
Conference name
Japanese: 
English:ISAP 
Conference site
Japanese:西安 
English:Xi'an 
Official URL http://www.em-conf.com/isap2019/
 
Abstract In this paper, the radiating element of 2x2 slots is designed for a 350 GHz-band corporate-feed waveguide slot array antenna using gold-coating silicon wafers with different thickness (30 μm, 180 μm, and 275 μm) to improve the bandwidth. A 20.0% bandwidth for the reflection less than -15 dB is achieved. The bandwidth for VSWR less than 1.5 in a 16x16-slot array with a feeding circuit is 18.7% by simulation. The aperture efficiency and the antenna efficiency at the center frequency of 362.5 GHz are 94.3% and 85.4%, respectively.

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