| 500GHz超导SIS混频器的设计 |
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| 引用本文： | 张照锋,许伟伟,钟扬音,花涛,康琳. 500GHz超导SIS混频器的设计[J]. 低温物理学报, 2010, 0(1) |
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| 作者姓名： | 张照锋 许伟伟 钟扬音 花涛 康琳 |
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| 作者单位： | 南京信息职业技术学院;南京大学超导电子研究所; |
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| 基金项目： | 国家高科技研究发展计划(项目编号:2006AA03Z214);;国家自然科学基金(项目编号10874074);;重点实验室基金项目(项目编号:9140C5306030806)资助课题~~ |
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| 摘 要： | 超导SIS(Superconductor-Insulator-Superconductor)混频技术是新兴的低噪声检测技术,其卓越的低噪声性能使其成为太赫兹波段理想的接收技术之一.如何提高太赫兹波和SIS超导结之间的信号耦合是设计超导SIS混频器的一个关键问题.本文依据准光耦合技术,研究了两种改善两者间信号的耦合方法:一是设计工作于500GHz波段的对数周期天线,二是设计微带阻抗变换器以实现对数周期天线和SIS超导结之间的阻抗匹配.
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| 关 键 词： | SIS混频技术 准光技术 对数周期天线 微带阻抗变换 |
THE DESIGN OF SUPERCONDUCTOR MIXER AT 500GHz |
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| ZHANG Zhao-feng XU Wei-wei ZHONG Yang-yin HUA Tao KANG Lin Nanjing College of Information Technology,Nanjing ,Research Institute of Superconductor Electronics,Nanjing University,Nanjing. THE DESIGN OF SUPERCONDUCTOR MIXER AT 500GHz[J]. Chinese Journal of Low Temperature Physics, 2010, 0(1) |
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| Authors: | ZHANG Zhao-feng XU Wei-wei ZHONG Yang-yin HUA Tao KANG Lin Nanjing College of Information Technology Nanjing Research Institute of Superconductor Electronics Nanjing University Nanjing |
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| Affiliation: | ZHANG Zhao-feng1 XU Wei-wei2 ZHONG Yang-yin2 HUA Tao2 KANG Lin2 1Nanjing College of Information Technology,Nanjing 210046,2Research Institute of Superconductor Electronics,Nanjing University,Nanjing 210093 |
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| Abstract: | Superconducting SIS mixer technology is a new low-noise detection technology. Its excellent low-noise performance made it one of the most important receiving technologies. How to improve the coupling ability between the SIS junction and the THz wave is a key item in the technology. This paper discussed two methods to improve the coupling according to the quasi-optical technology. One is the design of log-periodic antenna at 500GHz band,and the other is the design of a microstrip impedance converter. |
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| Keywords: | SIS mixer quasi-optical technology log-periodic antenna microstrip impedance converter |
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