Cosmic microwave background polarimetry using correlation receivers with the PIQUE and CAPMAP experiments

被引:25
作者
Barkats, D
Bischoff, C
Farese, P
Gaier, T
Gundersen, JO
Hedman, MM
Hyatt, L
McMahon, JJ
Samtleben, D
Staggs, ST
Stefanescu, E
Vanderlinde, K
Winstein, B
机构
[1] Princeton Univ, Dept Phys, Princeton, NJ 08544 USA
[2] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA
[3] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA
[4] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
[5] Univ Miami, Dept Phys, Coral Gables, FL 33146 USA
基金
美国国家科学基金会;
关键词
cosmic microwave background; cosmology : observations; instrumentation : polarimeters;
D O I
10.1086/430208
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The Princeton IQU Experiment ( PIQUE) and the Cosmic Anisotropy Polarization Mapper ( CAPMAP) are experiments designed to measure the polarization of the cosmic microwave background ( CMB) on sub- degree scales in an area within 1 degrees of the North Celestial Pole using heterodyne correlation polarimeters and off- axis telescopes located in central New Jersey. PIQUE produced the tightest limit on the CMB polarization prior to its detection by DASI, while CAPMAP has recently detected polarization at l similar to 1000. The experimental methods and instrumentation for these two projects are described in detail with emphasis on the particular challenges involved in measuring the tiny polarized component of the CMB.
引用
收藏
页码:1 / 26
页数:26
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