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PMO OpenIR  > 毫米波和亚毫米波技术实验室  > 期刊论文
题名: Nb-based SIS mixer in the 800 GHz band
作者: Noguchi, T; Maezawa, H; Shi ShengCai(史生才); Yamamoto, S
刊名: IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
出版日期: 2001-03-01
卷号: 11, 期号:1, 页码:167-170
关键词: gap energy ; niobium ; SIS mixer ; submillimeter waves
文章类型: Article
英文摘要: We have built a waveguide SIS mixer with Nb-based parallel-connected twin junctions at 800 GHz which is above the gap frequency of Nb (690 GHz). Heterodyne mixing was performed at 810 GHz and a receiver noise temperature of 580 K (DSB), which includes noise contributions due to a vacuum window and a beam splitter, was achieved using Nb/AlOx/Nb junctions with Nb striplines, The performance of this mixer is quite good and it is shown that efficient mixing in Nb-based SIS junctions is still possible above the gap frequency, SIS mixers with Al striplines have also been fabricated and good DC I-V characteristics have been observed. Heterodyne measurements of these mixers are now under preparation.
WOS标题词: Science & Technology ; Technology ; Physical Sciences
类目[WOS]: Engineering, Electrical & Electronic ; Physics, Applied
研究领域[WOS]: Engineering ; Physics
收录类别: ISTP ; SCI
语种: 英语
WOS记录号: WOS:000168285400030
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/15794
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.Nobeyama Radio Observ, Minamisa Ku, Nagano 3841305, Japan
2.Univ Tokyo, Dept Phys, Tokyo 1130033, Japan
3.Purple Mtn Observ, Nanjing 20008, Peoples R China
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