A sensitive ALMA Band 10 SIS receiver engineering model
文献类型：期刊论文
| 作者 | Uzawa, Y.1; Kroug, M.1; Kojima, T.1,2; Takeda, M.1; Candotti, M.1; Fujii, Y.1; Kaneko, K.1; Shan, W.3; Noguchi, T.1; Wang, Z.4
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| 刊名 | SUPERCONDUCTOR SCIENCE & TECHNOLOGY
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| 出版日期 | 2009-11-01 |
| 卷号 | 22期号:11页码:114002 |
| 关键词 | TUNING CIRCUITS MIXERS DESIGN |
| ISSN号 | 0953-2048 |
| 英文摘要 | We have developed a single polarization engineering model of the Atacama Large Millimeter/Submillimeter Array (ALMA) Band 10 (0.78-0.95 THz) receivers. The front-end optics comprises a pair of ellipsoidal mirrors and a corrugated feed horn. A waveguide mixer block is attached to the feed horn in which an NbTiN-based superconductor-insulator-superconductor (SIS) mixer chip, which uses a quartz substrate, is mounted onto a WR-1.2 full-height waveguide. The SIS mixer employs two Nb/AlO(x)/Nb junctions and an NbTiN/SiO(2)/Al microstrip tuning circuit. 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 below 240 K at local oscillator (LO) frequencies ranging from 792 to 945 GHz, without any correction for loss in front of the receiver. The lowest DSB receiver noise temperature, 179 K, was obtained at the center frequency of the designed band, which corresponds to about 4 quanta. These results represent state-of-the-art sensitivity for a receiver at an operating physical temperature of 4 K. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 学科主题 | Physics |
| 类目[WOS] | Physics, Applied ; Physics, Condensed Matter |
| 研究领域[WOS] | Physics |
| 关键词[WOS] | TUNING CIRCUITS ; MIXERS ; DESIGN |
| 收录类别 | SCI ; ISTP |
| 语种 | 英语 |
| WOS记录号 | WOS:000270924900003 |
| 公开日期 | 2011-12-08 |
| 源URL | [http://159.226.72.40/handle/332002/1683]  |
| 专题 | 紫金山天文台_毫米波和亚毫米波技术实验室 |
| 作者单位 | 1.Natl Inst Nat Sci, Natl Astron Observ Japan, Mitaka, Tokyo 1818588, Japan 2.Osaka Prefecture Univ, Grad Sch Sci, Osaka 5998531, Japan 3.Purple Mt Observ, Nanjing 210008, Peoples R China 4.Natl Inst Informat & Commun Technol, Nishi Ku, Kobe, Hyogo 6512492, Japan |
| 推荐引用方式 GB/T 7714 | Uzawa, Y.,Kroug, M.,Kojima, T.,et al. A sensitive ALMA Band 10 SIS receiver engineering model[J]. SUPERCONDUCTOR SCIENCE & TECHNOLOGY,2009,22(11):114002. |
| APA | Uzawa, Y..,Kroug, M..,Kojima, T..,Takeda, M..,Candotti, M..,...&Wang, Z..(2009).A sensitive ALMA Band 10 SIS receiver engineering model.SUPERCONDUCTOR SCIENCE & TECHNOLOGY,22(11),114002. |
| MLA | Uzawa, Y.,et al."A sensitive ALMA Band 10 SIS receiver engineering model".SUPERCONDUCTOR SCIENCE & TECHNOLOGY 22.11(2009):114002. |
入库方式： OAI收割
来源：紫金山天文台
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