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Twin-Slot Antenna Coupled NbN Hot Electron Bolometer Mixer at 2.5 THz
Zhang, Wen1; Gao, Jian-Rong2,3; Hajenius, Merlijn2,3; Miao, Wei1; Khosropanah, Pourya2; Klapwijk, Teun M.3; Shi, Sheng-Cai1
2011-11-01
Source PublicationIEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY
ISSN2156-342X
Volume1Issue:2Pages:378-382
AbstractWe demonstrate a quasi-optical NbN hot electron bolometer (HEB) mixer using a twin-slot antenna on a Si lens to couple terahertz radiation. The mixer shows a receiver noise temperature of 1150 K at 2.5 THz, which is expected based on a model that includes quantum noise. The measured direct response is understood by taking into account the main beam efficiency and the parasitic reactance due to the geometric change between bolometer and transmission line. The measured beam of the mixer is nearly collimated and has a Gaussian beam efficiency of 90% with side-lobes below -16 dB.
KeywordBeam Pattern Direct Response Hot Electron Bolometer Receiver Noise Temperature
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1109/TTHZ.2011.2145330
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Optics ; Physics
WOS SubjectEngineering, Electrical & Electronic ; Optics ; Physics, Applied
WOS IDWOS:000208702900007
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/4443
Collection毫米波和亚毫米波技术实验室
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
2.SRON Netherlands Inst Space Res, NL-3584 CA Utrecht, Netherlands
3.Delft Univ Technol, Kavli Inst Nanosci, NL-2628 CJ Delft, Netherlands
Recommended Citation
GB/T 7714
Zhang, Wen,Gao, Jian-Rong,Hajenius, Merlijn,et al. Twin-Slot Antenna Coupled NbN Hot Electron Bolometer Mixer at 2.5 THz[J]. IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY,2011,1(2):378-382.
APA Zhang, Wen.,Gao, Jian-Rong.,Hajenius, Merlijn.,Miao, Wei.,Khosropanah, Pourya.,...&Shi, Sheng-Cai.(2011).Twin-Slot Antenna Coupled NbN Hot Electron Bolometer Mixer at 2.5 THz.IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY,1(2),378-382.
MLA Zhang, Wen,et al."Twin-Slot Antenna Coupled NbN Hot Electron Bolometer Mixer at 2.5 THz".IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY 1.2(2011):378-382.
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