Presentation 2004/7/16
Beam scanning by movable dielectrics in single-layer slotted waveguide arrays
Toshinori TAKESUE, Kimio SAKURAI, Jiro HIROKAWA, Makoto ANDO,
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Abstract(in English) This paper proposes a method to scan beam by using movable dielectrics placed between two coupling windows in the feed waveguide of single-layer slotted waveguide. At 4GHz band, phase change of 89.8 degree was obtained by this phase shifter with reflection kept below -18.9dB. This corresponds to beam-tiling of I 0.2 degree in co-phase fed single layer waveguide arrays. To confirm the applicability of this phase shifter in the feed waveguide of single-layer waveguide arrays, we design a 4-way power divider at 12GHz where two phase shifiers with movable dielectrics are accommodated between three coupling windows. Phase change of about 93 degree is obtained between adjacent radiation waveguides. This would result in the beam-tiling of about 10 degree in the arrays.
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Keyword(in English) single-layer slotted waveguide array / movable dielectric / beam scanning / phase shifter
Paper # A・P2004-115
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Conference Date 2004/7/16(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Beam scanning by movable dielectrics in single-layer slotted waveguide arrays
Sub Title (in English)
Keyword(1) single-layer slotted waveguide array
Keyword(2) movable dielectric
Keyword(3) beam scanning
Keyword(4) phase shifter
1st Author's Name Toshinori TAKESUE
1st Author's Affiliation Dept. Electrical and Electronic Engineering Tokyo Institute of Technology()
2nd Author's Name Kimio SAKURAI
2nd Author's Affiliation Dept. Electrical and Electronic Engineering Tokyo Institute of Technology
3rd Author's Name Jiro HIROKAWA
3rd Author's Affiliation Dept. Electrical and Electronic Engineering Tokyo Institute of Technology
4th Author's Name Makoto ANDO
4th Author's Affiliation Dept. Electrical and Electronic Engineering Tokyo Institute of Technology
Date 2004/7/16
Paper # A・P2004-115
Volume (vol) vol.104
Number (no) 203
Page pp.pp.-
#Pages 6
Date of Issue