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Performance of the ALMA Band 10 SIS Receiver Prototype Model
Fujii, Yasunori1; Kroug, Matthias1; Kaneko, Keiko1; Gonzalez, Alvaro1; Uzawa, Yoshinori1; Kojima, Takafumi1; Kuroiwa, Koich1; Miyachi, Akihira1; Makise, Kazumasa2; Wang, Zhen2; Shan, Wenlei3
AbstractWe have developed a dual polarization prototype model of the Atacama Large Millimeter/submillimeter Array (ALMA) Band 10 (787-950 GHz) receivers. The front-end optics comprises a pair of ellipsoidal mirrors, a wire grid, and two corrugated feed horns. A waveguide mixer block is attached to each feed horn in which a mixer chip employing Nb/AlOx/Nb juncions and NbTiN/SiO(2)/Al microstrip tuning circuits is mounted to a WR-1.2 full-height waveguide. A local oscillator (LO) signal receiving horn and a waveguide 10-dB LO coupler are integrated in the block to provide the LO signal to the mixer chip. A fixed-tuned multiplier with a diagonal horn located at the 110-K stage is used to transmit the LO power. The LO signal is then quasi-optically coupled to the mixer receiving horn. A very wide intermediate frequency (IF) system with a bandwidth of 4-12 GHz is employed. The receiver demonstrated double sideband (DSB) noise temperatures of about 160 K (4hv/k(B)) without any correction for loss in front of the receiver at the LO frequency of 834 GHz at an operating physical temperature of 4 K.
KeywordAtacama Large Millimeter/submillimeter Array Band 10 Niobium Titanium Nitride Sis Device
Subject AreaEngineering ; Physics
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
Indexed BySCI
WOS Research AreaEngineering ; Physics
WOS SubjectEngineering, Electrical & Electronic ; Physics, Applied
WOS IDWOS:000291050500122
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Document Type期刊论文
Affiliation1.Natl Inst Nat Sci, Natl Astron Observ Japan, Mitaka, Tokyo 1818588, Japan
2.Natl Inst Informat & Commun Technol, Kobe, Hyogo 6512494, Japan
3.Chinese Acad Sci, Purple Mt Observ, Natl Astron Observ, Nanjing 210008, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Fujii, Yasunori,Kroug, Matthias,Kaneko, Keiko,et al. Performance of the ALMA Band 10 SIS Receiver Prototype Model[J]. IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY,2011,21(3):606-611.
APA Fujii, Yasunori.,Kroug, Matthias.,Kaneko, Keiko.,Gonzalez, Alvaro.,Uzawa, Yoshinori.,...&Shan, Wenlei.(2011).Performance of the ALMA Band 10 SIS Receiver Prototype Model.IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY,21(3),606-611.
MLA Fujii, Yasunori,et al."Performance of the ALMA Band 10 SIS Receiver Prototype Model".IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 21.3(2011):606-611.
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