Presentation 2005/2/2
Millimeter-wave response mechanism of slot antenna coupled YBCO microbridge
Takashi UCHIDA, Takayuki NISHIDA, Takashi TACHIKI, Yoshizumi YASUOKA,
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Abstract(in English) A slot-antenna-coupled YBCO microbridge was fabricated. Response mechanism of the device biased in the resistive state consists of the bolometric response and the nonbolometric response due to the vortex motion. The measurements of current-voltage (I-V) characteristics and the video detection property at 94 GHz were performed in order to make the response mechanism clear and to obtain operating conditions that dominated the bolometric and nonbolometric responses. Then, IF properties at 94 GHz were investigated to evaluate the response speed of the device. The IF bandwidth in the bolometric response was constant of about 60 MHz. On the other hand, the bandwidth in the flux flow response increased as the bias current increased, up to 1.2 GHz.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) microbridge / slot antenna / resistive state / millimeter-wave
Paper # SCE2004-30
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Committee SCE
Conference Date 2005/2/2(1days)
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Registration To Superconductive Electronics (SCE)
Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Millimeter-wave response mechanism of slot antenna coupled YBCO microbridge
Sub Title (in English)
Keyword(1) microbridge
Keyword(2) slot antenna
Keyword(3) resistive state
Keyword(4) millimeter-wave
1st Author's Name Takashi UCHIDA
1st Author's Affiliation Department of Electrical and Electronic Engineering, National Defense Academy()
2nd Author's Name Takayuki NISHIDA
2nd Author's Affiliation Department of Electrical and Electronic Engineering, National Defense Academy
3rd Author's Name Takashi TACHIKI
3rd Author's Affiliation Department of Electrical and Electronic Engineering, National Defense Academy
4th Author's Name Yoshizumi YASUOKA
4th Author's Affiliation Department of Electrical and Electronic Engineering, National Defense Academy
Date 2005/2/2
Paper # SCE2004-30
Volume (vol) vol.104
Number (no) 654
Page pp.pp.-
#Pages 4
Date of Issue