An Overview of the SPTpol Experiment

被引：24

作者：

Bleem, L. ^{[1
]}

Ade, P. ^{[2
]}

Aird, K. ^{[1
]}

Austermann, J. ^{[3
]}

Beall, J. ^{[4
]}

Becker, D. ^{[4
]}

Benson, B. ^{[1
]}

Britton, J. ^{[4
]}

Carlstrom, J. ^{[1
,5
]}

Chang, C. L. ^{[1
,5
]}

Cho, H. ^{[4
]}

de Haan, T. ^{[6
]}

Crawford, T. ^{[1
]}

Crites, A. ^{[1
]}

Datesman, A. ^{[7
]}

Dobbs, M. ^{[6
]}

Everett, W. ^{[1
]}

Ewall-Wice, A. ^{[1
]}

George, E. ^{[8
]}

Halverson, N. ^{[3
]}

Harrington, N. ^{[8
]}

Henning, J. ^{[3
]}

Hilton, G. ^{[4
]}

Holzapfel, W. ^{[8
]}

Hoover, S. ^{[1
]}

Hubmayr, J. ^{[4
]}

Irwin, K. ^{[4
]}

Keisler, R. ^{[1
]}

Kennedy, J. ^{[6
]}

Lee, A. ^{[8
]}

Leitch, E. ^{[1
]}

Li, D. ^{[4
]}

Lueker, M. ^{[9
]}

Marrone, D. P. ^{[15
]}

McMahon, J. ^{[10
]}

Mehl, J. ^{[1
]}

Meyer, S. ^{[1
]}

Montgomery, J. ^{[1
]}

Montroy, T. ^{[12
]}

Natoli, T. ^{[1
]}

Nibarger, J. ^{[4
]}

Niemack, M. ^{[4
]}

Novosad, V. ^{[7
]}

Padin, S. ^{[9
]}

Pryke, C. ^{[11
]}

Reichardt, C. ^{[8
]}

Ruhl, J. ^{[12
]}

Saliwanchik, B. ^{[12
]}

Sayre, J. ^{[12
]}

Schafer, K. ^{[13
]}

机构：

[1] Univ Chicago, Kavli Inst Cosmol Phys, Dept Phys, Enrico Fermi Inst, Chicago, IL 60637 USA

[2] Cardiff Univ, Cardiff Sch Phys & Astron, Cardiff, S Glam, Wales

[3] Univ Colorado, Dept Astrophys & Planetary Sci, Boulder, CO 80309 USA

[4] NIST, Boulder, CO 80305 USA

[5] Argonne Natl Lab, HEP Div, Argonne, IL 60439 USA

[6] McGill Univ, Montreal, PQ, Canada

[7] Argonne Natl Lab, MSD, Argonne, IL 60439 USA

[8] Univ Calif Berkeley, Berkeley, CA 94720 USA

[9] CALTECH, Pasadena, CA 91125 USA

[10] Univ Michigan, Ann Arbor, MI 48109 USA

[11] Univ Minnesota, Minneapolis, MN 55455 USA

[12] Case Western Reserve Univ, Cleveland, OH 44106 USA

[13] Sch Art Inst Chicago, Chicago, IL 60603 USA

[14] Stanford Univ, Stanford, CA 94305 USA

[15] Univ Arizona, Steward Observ, Tucson, AZ 85721 USA

来源：

JOURNAL OF LOW TEMPERATURE PHYSICS | 2012年 / 167卷 / 5-6期

基金：

美国国家科学基金会;

关键词：

Polarimetry; Transition-edge sensors; Bolometers; Cosmic microwave background; Cosmology; GALAXY CLUSTERS; POLARIZATION;

D O I：

10.1007/s10909-012-0505-y

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In 2012 the South Pole Telescope (SPT) will begin a 625 deg(2) survey to measure the polarization anisotropy of the cosmic microwave background (CMB). Observations of the CMB B-mode angular power spectrum will be used to search for the large angular scale signal induced by inflationary gravitational waves. Additionally, the B-mode spectrum will enable a measurement of the neutrino mass through the gravitational lensing of the CMB. The new 780 pixel polarization-sensitive camera is composed of two different detector architectures and will map the sky at two frequencies. At 150 GHz, the camera consists of arrays of corrugated feedhorn-coupled TES polarimeters fabricated at the National Institute of Standards and Technology (NIST). At 90 GHz, we use individually packaged dual-polarization absorber-coupled polarimeters developed at Argonne National Laboratory. Each 90 GHz pixel couples to the telescope through machined contoured feedhorns. The entire focal plane is read out using a digital frequency-domain multiplexer system. We discuss the design and goals of this experiment and provide a description of the detectors.

引用

页码：859 / 864

页数：6

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