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题名: A 1.4 THz Quasi-Optical NbN Superconducting HEB Mixer Developed for the DATE5 Telescope
作者: Zhou, K. M.1, 2, 3; Miao, W.1; Lou Zheng(娄铮)1; Hu, J.1, 2; Li, S. L.1, 2; Zhang Wen(张文)1; Shi, S. C.1; Lefevre, R.3; Delorme, Y.3; Vacelet, T.3
刊名: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
出版日期: 2015-06-01
卷号: 25, 期号:3, 页码:2300805
关键词: Beam pattern ; FTS measurement ; receiver noise temperature ; superconducting HEB mixer
学科分类: 天文和天体物理
DOI: 10.1109/TASC.2014.2378051
文章类型: Article
英文摘要: In this paper, the performance of a twin-slot antenna coupled NbN superconducting HEB mixer based on a new device fabrication process is thoroughly investigated. The measured lowest double-sideband receiver noise temperature is about 600 K at 1.3 THz, and reduced to 300 K after eliminating all the quasi-optical losses. The spectral response of the HEB mixer is characterized by a Fourier Transform Spectrometer (FTS) and its calibrated spectrum is in good agreement with the simulated one. In addition, the far-field beam pattern of this HEB mixer is characterized by a near-field measurement technique. The measured results agree well with the simulations too.
WOS标题词: Science & Technology ; Technology ; Physical Sciences
类目[WOS]: Engineering, Electrical & Electronic ; Physics, Applied
研究领域[WOS]: Engineering ; Physics
关键词[WOS]: ELECTRON BOLOMETER MIXERS
收录类别: SCI
所属项目名称: PMO_LIB-IR
语种: 英语
WOS记录号: WOS:000351362200022
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/14806
Appears in Collections:毫米波和亚毫米波技术实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Key Lab Radio Astron, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
2.Univ Chinese Acad Sci, Beijing 10040, Peoples R China
3.Observ Paris, F-75014 Paris, France
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