Related papers: A Cosmic Microwave Background Radiation Polarimete…

High-impedence NbSi TES sensors for studying the cosmic microwave background radiation

Precise measurements of the cosmic microwave background (CMB) are crucial in cosmology, because any proposed model of the universe must account for the features of this radiation. Of all CMB measurements that the scientific community has…

Instrumentation and Methods for Astrophysics · Physics 2013-07-08 Claudia Nones , Stefanos Marnieros , Alain Benoit , Laurent Bergé , Aurelien Bideau , Philippe Camus , Louis Dumoulin , Alessandro Monfardini , Olivier Rigaut

A Large-Diameter Hollow-Shaft Cryogenic Motor Based on a Superconducting Magnetic Bearing for Millimeter-Wave Polarimetry

In this paper we present the design and measured performance of a novel cryogenic motor based on a superconducting magnetic bearing (SMB). The motor is tailored for use in millimeter-wave half-wave plate (HWP) polarimeters, where a HWP is…

Instrumentation and Methods for Astrophysics · Physics 2017-10-06 B. R. Johnson , F. Columbro , D. Araujo , M. Limon , B. Smiley , G. Jones , B. Reichborn-Kjennerud , A. Miller , S. Gupta

A dual output polarimeter devoted to the study of the Cosmic Microwave Background

We have developed a correlation radiometer at 33 GHz devoted to the search for residual polarization of the Cosmic Microwave Background (CMB). The two instruments`s outputs are linear combination of two Stokes Parameters (Q and U or U and…

Astrophysics · Physics 2009-11-07 M. Gervasi , G. Boella , F. Cavaliere , G. Grossetti , A. Passerini , G. Sironi , A. Tartari , M. Zannoni

Polarization Calibration of the BICEP3 CMB polarimeter at the South Pole

The BICEP3 CMB Polarimeter is a small-aperture refracting telescope located at the South Pole and is specifically designed to search for the possible signature of inflationary gravitational waves in the Cosmic Microwave Background (CMB).…

Instrumentation and Methods for Astrophysics · Physics 2020-12-14 J. Cornelison , P. A. R. Ade , Z. Ahmed , M. Amiri , D. Barkats , R. Basu Thakur , C. A. Bischoff , J. J. Bock , H. Boenish , E. Bullock , V. Buza , J. R. Cheshire , J. Connors , M. Crumrine , A. Cukierman , E. Denison , M. Dierickx , L. Duband , M. Eiben , S. Fatigoni , J. P. Filippini , S. Fliescher , N. Goeckner-Wald , D. C. Goldfinger , J. A. Grayson , P. Grimes , G. Hall , M. Halpern , S. A. Harrison , S. Henderson , S. R. Hildebrandt , G. C. Hilton , J. Hubmayr , H. Hui , K. D. Irwin , J. Kang , K. S. Karkare , E. Karpel , S. Kefeli , S. A. Kernasovskiy , J. M. Kovac , C. L. Kuo , K. Lau , E. M. Leitch , K. G. Megerian , L. Minutolo , L. Moncelsi , Y. Nakato , T. Namikawa , H. T. Nguyen , R. O'Brient , R. W. Ogburn , S. Palladino , N. Precup , T. Prouve , C. Pryke , B. Racine , C. D. Reintsema , S. Richter , A. Schillaci , B. L. Schmitt , R. Schwarz , C. D. Sheehy , A. Soliman , T. St. Germaine , B. Steinbach , R. V. Sudiwala , G. P. Teply , K. L. Thompson , J. E. Tolan , C. Tucker , A. D. Turner , C. Umiltà , A. G. Vieregg , A. Wandui , A. C. Weber , D. V. Wiebe , J. Willmert , C. L. Wong , W. L. K. Wu , E. Yang , K. W. Yoon , E. Young , C. Yu , L. Zeng , C. Zhang , S. Zhang

An Instrument for Investigating the Large Angular Scale Polarization of the Cosmic Microwave Background

We describe the design and performance of a microwave polarimeter used to make precision measurements of polarized astrophysical radiation in three microwave frequency bands spanning 26-36 GHz. The instrument uses cooled HEMT amplifiers in…

Astrophysics · Physics 2009-11-07 Brian G. Keating , Christopher W. O'Dell , Joshua O. Gundersen , Lucio Piccirillo , Nate Stebor , Peter T. Timbie

Calibration System with Cryogenically-Cooled Loads for CMB Polarization Detectors

We present a novel system to calibrate millimeter-wave polarimeters for CMB polarization measurements. This technique is an extension of the conventional metal mirror rotation approach, however it employs cryogenically-cooled blackbody…

Instrumentation and Methods for Astrophysics · Physics 2012-05-01 M. Hasegawa , O. Tajima , Y. Chinone , M. Hazumi , K. Ishidoshiro , M. Nagai

A New Upper Limit on the Polarization of the Cosmic Microwave Background Radiation

The Cosmic Microwave Background Radiation (CMB) is an invaluable probe of the conditions of the early universe. Recent measurements of its spatial anisotropy have allowed accurate determinations of several fundamental cosmological…

Astrophysics · Physics 2009-09-29 Christopher O'Dell

A Measurement of the Cosmic Microwave Background Gravitational Lensing Potential from 100 Square Degrees of SPTpol Data

We present a measurement of the cosmic microwave background (CMB) gravitational lensing potential using data from the first two seasons of observations with SPTpol, the polarization-sensitive receiver currently installed on the South Pole…

Cosmology and Nongalactic Astrophysics · Physics 2015-09-16 K. T. Story , D. Hanson , P. A. R. Ade , K. A. Aird , J. E. Austermann , J. A. Beall , A. N. Bender , B. A. Benson , L. E. Bleem , J. E. Carlstrom , C. L. Chang , H. C. Chiang , H-M. Cho , R. Citron , T. M. Crawford , A. T. Crites , T. de Haan , M. A. Dobbs , W. Everett , J. Gallicchio , J. Gao , E. M. George , A. Gilbert , N. W. Halverson , N. Harrington , J. W. Henning , G. C. Hilton , G. P. Holder , W. L. Holzapfel , S. Hoover , Z. Hou , J. D. Hrubes , N. Huang , J. Hubmayr , K. D. Irwin , R. Keisler , L. Knox , A. T. Lee , E. M. Leitch , D. Li , C. Liang , D. Luong-Van , J. J. McMahon , J. Mehl , S. S. Meyer , L. Mocanu , T. E. Montroy , T. Natoli , J. P. Nibarger , V. Novosad , S. Padin , C. Pryke , C. L. Reichardt , J. E. Ruhl , B. R. Saliwanchik , J. T. Sayre , K. K. Schaffer , G. Smecher , A. A. Stark , C. Tucker , K. Vanderlinde , J. D. Vieira , G. Wang , N. Whitehorn , V. Yefremenko , O. Zahn

MAXIPOL: Cosmic Microwave Background Polarimetry Using a Rotating Half-Wave Plate

We discuss MAXIPOL, a bolometric balloon-borne experiment designed to measure the E-mode polarization of the cosmic microwave background radiation (CMB). MAXIPOL is the first bolometric CMB experiment to observe the sky using rapid…

Astrophysics · Physics 2011-02-11 B. R. Johnson , J. Collins , M. E. Abroe , P. A. R. Ade , J. Bock , J. Borrill , A. Boscaleri , P. de Bernardis , S. Hanany , A. H. Jaffe , T. Jones , A. T. Lee , L. Levinson , T. Matsumura , B. Rabii , T. Renbarger , P. L. Richards , G. F. Smoot , R. Stompor , H. T. Tran , C. D. Winant , J. H. P. Wu , J. Zuntz

The Simons Observatory: Large Diameter and Large Load-Capacity Superconducting Magnetic Bearing for a Millimeter-Wave Polarization Modulator

We present the design methodology and characterization of a superconducting magnetic bearing (SMB) system for the polarization modulator in the SAT-LF, one of the small aperture telescopes (SATs) in the Simons Observatory (SO) that is…

Instrumentation and Methods for Astrophysics · Physics 2025-03-31 Daichi Sasaki , Junna Sugiyama , Kyohei Yamada , Bryce Bixler , Yuki Sakurai , Kam Arnold , Bradley R. Johnson , Akito Kusaka

Half-wave Plates for the Spider Cosmic Microwave Background Polarimeter

Spider is a balloon-borne array of six telescopes that will observe the Cosmic Microwave Background. The 2400 antenna-coupled bolometers in the instrument will make a polarization map of the CMB with ~degree resolution at 150 GHz and 95…

Instrumentation and Methods for Astrophysics · Physics 2014-02-12 Sean Bryan

Exploring Cosmic Origins with CORE: The Instrument

We describe a space-borne, multi-band, multi-beam polarimeter aiming at a precise and accurate measurement of the polarization of the Cosmic Microwave Background. The instrument is optimized to be compatible with the strict budget…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 P. de Bernardis , P. A. R. Ade , J. J. A. Baselmans , E. S. Battistelli , A. Benoit , M. Bersanelli , A. Bideaud , M. Calvo , F. J. Casas , G. Castellano , A. Catalano , I. Charles , I. Colantoni , F. Columbro , A. Coppolecchia , M. Crook , G. D'Alessandro , M. De Petris , J. Delabrouille , S. Doyle , C. Franceschet , A. Gomez , J. Goupy , S. Hanany , M. Hills , L. Lamagna , J. Macias-Perez , B. Maffei , S. Martin , E. Martinez-Gonzalez , S. Masi , D. McCarthy , A. Mennella , A. Monfardini , F. Noviello , A. Paiella , F. Piacentini , M. Piat , G. Pisano , G. Signorelli , C. Y. Tan , A. Tartari , N. Trappe , S. Triqueneaux , C. Tucker , G. Vermeulen , K. Young , M. Zannoni , A. Achúcarro , R. Allison , M. Ashdown , M. Ballardini , A. J. Banday , R. Banerji , J. Bartlett , N. Bartolo , S. Basak , A. Bonaldi , M. Bonato , J. Borrill , F. Bouchet , F. Boulanger , T. Brinckmann , M. Bucher , C. Burigana , A. Buzzelli , Z. Y. Cai , C. S. Carvalho , A. Challinor , J. Chluba , S. Clesse , G. De Gasperis , G. De Zotti , E. Di Valentino , J. M. Diego , J. Errard , S. Feeney , R. Fernandez-Cobos , F. Finelli , F. Forastieri , S. Galli , R. Génova-Santos , M. Gerbino , J. González-Nuevo , S. Hagstotz , J. Greenslade , W. Handley , C. Hernández-Monteagudo , C. Hervias-Caimapo , E. Hivon , K. Kiiveri , T. Kisner , T. Kitching , M. Kunz , H. Kurki-Suonio , A. Lasenby , M. Lattanzi , J. Lesgourgues , A. Lewis , M. Liguori , V. Lindholm , G. Luzzi , C. J. A. P. Martins , A. Melchiorri , J. B. Melin , D. Molinari , P. Natoli , M. Negrello , A. Notari , D. Paoletti , G. Patanchon , L. Polastri , G. Polenta , A. Pollo , V. Poulin , M. Quartin , M. Remazeilles , M. Roman , J. A. Rubiño-Martín , L. Salvati , M. Tomasi , D. Tramonte , T. Trombetti , J. Väliviita , R. Van de Weijgaert , B. van Tent , V. Vennin , P. Vielva , N. Vittorio

A Measurement of the Cosmic Microwave Background Lensing Potential and Power Spectrum from 500 deg$^2$ of SPTpol Temperature and Polarization Data

We present a measurement of the cosmic microwave background (CMB) lensing potential using 500 deg$^2$ of 150 GHz data from the SPTpol receiver on the South Pole Telescope. The lensing potential is reconstructed with signal-to-noise per mode…

Cosmology and Nongalactic Astrophysics · Physics 2019-10-23 W. L. K. Wu , L. M. Mocanu , P. A. R. Ade , A. J. Anderson , J. E. Austermann , J. S. Avva , J. A. Beall , A. N. Bender , B. A. Benson , F. Bianchini , L. E. Bleem , J. E. Carlstrom , C. L. Chang , H. C. Chiang , R. Citron , C. Corbett Moran , T. M. Crawford , A. T. Crites , T. de Haan , M. A. Dobbs , W. Everett , J. Gallicchio , E. M. George , A. Gilbert , N. Gupta , N. W. Halverson , N. Harrington , J. W. Henning , G. C. Hilton , G. P. Holder , W. L. Holzapfel , Z. Hou , J. D. Hrubes , N. Huang , J. Hubmayr , K. D. Irwin , L. Knox , A. T. Lee , D. Li , A. Lowitz , A. Manzotti , J. J. McMahon , S. S. Meyer , M. Millea , J. Montgomery , A. Nadolski , T. Natoli , J. P. Nibarger , G. I. Noble , V. Novosad , Y. Omori , S. Padin , S. Patil , C. Pryke , C. L. Reichardt , J. E. Ruhl , B. R. Saliwanchik , J. T. Sayre , K. K. Schaffer , C. Sievers , G. Simard , G. Smecher , A. A. Stark , K. T. Story , C. Tucker , K. Vanderlinde , T. Veach , J. D. Vieira , G. Wang , N. Whitehorn , V. Yefremenko

Cosmic Microwave Background Polarization

Cosmic microwave background (CMB) anisotropy is our richest source of cosmological information; the standard cosmological model was largely established thanks to study of the temperature anisotropies. By the end of the decade, the Planck…

Astrophysics · Physics 2009-11-11 James G. Bartlett

Polarization of the Cosmic Microwave Background

Since the first detection by the DASI experiment in 2002, measurements of the polarization of the cosmic microwave background (CMB) have grown into an important role in testing our understanding of conditions in the early universe and…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-06 M. Rahimi , C. L. Reichardt

Design and development of an ambient-temperature continuously-rotating achromatic half-wave plate for CMB polarization modulation on the POLARBEAR-2 experiment

We describe the development of an ambient-temperature continuously-rotating half-wave plate (HWP) for study of the Cosmic Microwave Background (CMB) polarization by the POLARBEAR-2 (PB2) experiment. Rapid polarization modulation suppresses…

Instrumentation and Methods for Astrophysics · Physics 2016-07-26 Charles A. Hill , Shawn Beckman , Yuji Chinone , Neil Goeckner-Wald , Masashi Hazumi , Brian Keating , Akito Kusaka , Adrian T. Lee , Frederick Matsuda , Richard Plambeck , Aritoki Suzuki , Satoru Takakura

Constraining circular polarization of high-frequency gravitational waves with CMB

Circular polarization in the cosmic microwave background (CMB) offers a promising probe of the parity-violating physics of the early universe. In this paper, we propose a novel method to constrain the primordial circular polarization of…

Cosmology and Nongalactic Astrophysics · Physics 2025-06-24 Ashu Kushwaha , Rajeev Kumar Jain

MAXIPOL: A Balloon-borne Experiment for Measuring the Polarization Anisotropy of the Cosmic Microwave Background Radiation

We discuss MAXIPOL, a bolometric balloon-borne experiment designed to measure the E-mode polarization anisotropy of the cosmic microwave background radiation (CMB) on angular scales of 10 arcmin to 2 degrees. MAXIPOL is the first CMB…

Astrophysics · Physics 2015-06-24 B. R. Johnson , M. E. Abroe , P. Ade , J. Bock , J. Borrill , J. S. Collins , P. Ferreira , S. Hanany , A. H. Jaffe , T. Jones , A. T. Lee , L. Levinson , T. Matsumura , B. Rabii , T. Renbarger , P. L. Richards , G. F. Smoot , R. Stompor , H. T. Tran , C. D. Winant

On Stokes polarimeters for high precision CMB measurements and mm Astronomy measurements

Several on-going and future experiments use a Stokes polarimeter (i.e. a rotating wave plate followed by a steady polarizer and by an unpolarized detector) to measure the small polarized component of the Cosmic Microwave Background. The…

Instrumentation and Methods for Astrophysics · Physics 2010-06-17 Maria Salatino , Paolo de Bernardis

Constraining Inflation with Cosmic Microwave Background Polarization

Observations of the polarization of the cosmic microwave backround (CMB) have the potential to place much tighter constraints on cosmological parameters than observations of the fluctuations in temperature alone. We discuss using CMB…

Astrophysics · Physics 2009-10-30 William H. Kinney