淡江大學機構典藏:Item 987654321/72670
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    题名: AMiBA: Broadband Heterodyne Cosmic Microwave Background Interferometry
    作者: Chen, Ming-Tang;Li, Chao-Te;Hwang, Yuh-Jing;Jiang, Ho-Min;Pablo Altamirano;Chang, Chia-Hao;Chang, Shu-Hao;Chang, Su-Wei;Chiueh, Tzi-Dar;Chu, Tah-Hsiung;Han, Chih-Chiang;Huang, Yau-De;Michael Kesteven;Derek Kubo;Pierre Martin-Cocher;Oshiro, Peter;Philippe Raffin;Wei, Tashun;Wang, Huei;Warwick Wilson;Ho, Paul T. P.;Huang, Chih-Wei;Koch, Patrick;Liao, Yu-Wei;Lin, Kai-Yang;Liu, Guo-Chin;Sandor M. Molnar;Nishioka, Hiroaki;Umetsu, Keiichi;Wang, Fu-Cheng;Wu, Jiun-Huei Proty
    贡献者: 淡江大學物理學系
    关键词: cosmic microwave background;cosmology: observations;instrumentation: interferometers
    日期: 2009-04
    上传时间: 2011-10-24 10:51:08 (UTC+8)
    出版者: Philadelphia: Institute of Physics Publishing, Inc.
    摘要: The Y. T. Lee Array for Microwave Background (AMiBA) has reported the first results on the detection of galaxy clusters via the Sunyaev-Zel'dovich effect. The objectives required small reflectors in order to sample large-scale structures (20'), while interferometry provided modest resolutions (2'). With these constraints, we designed for the best sensitivity by utilizing the maximum possible continuum bandwidth matched to the atmospheric window at 86-102 GHz, with dual polarizations. A novel wide-band analog correlator was designed that is easily expandable for more interferometer elements. Monolithic millimeter-wave integrated circuit technology was used throughout as much as possible in order to miniaturize the components and to enhance mass production. These designs will find application in other upcoming astronomy projects. AMiBA is now in operation since 2006, and we are in the process to expand the array from seven to 13 elements.
    關聯: The Astrophysical Journal 694(2), pp.1664-1669
    DOI: 10.1088/0004-637X/694/2/1664
    显示于类别:[物理學系暨研究所] 期刊論文

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