Related papers: Clover - A B-mode polarization experiment

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

Super-Sample CMB Lensing

Lensing of the CMB by modes that are larger than the size of the survey dilates intrinsic scales in the temperature and polarization fields and coherently shifts their observed power spectra with respect to the ensemble or all-sky mean. The…

Cosmology and Nongalactic Astrophysics · Physics 2014-07-09 Alessandro Manzotti , Wayne Hu , Aurélien Benoit-Lévy

A large-diameter cryogenic rotation stage for half-wave plate polarization modulation on the POLARBEAR-2 experiment

We describe the design of a cryogenic rotation stage (CRS) for use with the cryogenic half-wave plate (CHWP) polarization modulator on the POLARBEAR-2b and POLARBEAR-2c (PB2b/c) cosmic microwave background (CMB) experiments, the second and…

Instrumentation and Methods for Astrophysics · Physics 2018-05-29 Charles A. Hill , Akito Kusaka , Paul Barton , Bryce Bixler , Alex G. Droster , Mael Flament , Suhas Ganjam , Arian Jadbabaie , Oliver Jeong , Adrian T. Lee , Alex Madurowicz , Fred T. Matsuda , Tomotake Matsumura , Adam Rutkowski , Yuki Sakurai , Danielle R. Sponseller , Aritoki Suzuki , Raymond Tat

A Polarization Pursuers' Guide

We calculate the detectability of the polarization of the cosmic microwave background (CMB) as a function of the sky coverage, angular resolution, and instrumental sensitivity for a hypothetical experiment. We consider the gradient…

Astrophysics · Physics 2009-10-31 Andrew H. Jaffe , Marc Kamionkowski , Limin Wang

POLOCALC: a Novel Method to Measure the Absolute Polarization Orientation of the Cosmic Microwave Background

We describe a novel method to measure the absolute orientation of the polarization plane of the CMB with arcsecond accuracy, enabling unprecedented measurements for cosmology and fundamental physics. Existing and planned CMB polarization…

Instrumentation and Methods for Astrophysics · Physics 2017-05-26 Federico Nati , Mark J. Devlin , Martina Gerbino , Bradley R. Johnson , Brian Keating , Luca Pagano , Grant Teply

Performance and on-sky optical characterization of the SPTpol instrument

In January 2012, the 10m South Pole Telescope (SPT) was equipped with a polarization-sensitive camera, SPTpol, in order to measure the polarization anisotropy of the cosmic microwave background (CMB). Measurements of the polarization of the…

Instrumentation and Methods for Astrophysics · Physics 2012-10-19 E. M. George , P. Ade , K. A. Aird , J. E. Austermann , J. A. Beall , D. Becker , A. Bender , B. A. Benson , L. E. Bleem , J. Britton , J. E. Carlstrom , C. L. Chang , H. C. Chiang , H-M. Cho , T. M. Crawford , A. T. Crites , A. Datesman , T. de Haan , M. A. Dobbs , W. Everett , A. Ewall-Wice , N. W. Halverson , N. Harrington , J. W. Henning , G. C. Hilton , W. L. Holzapfel , S. Hoover , N. Huang , J. Hubmayr , K. D. Irwin , M. Karfunkle , R. Keisler , J. Kennedy , A. T. Lee , E. Leitch , D. Li , M. Lueker , D. P. Marrone , J. J. McMahon , J. Mehl , S. S. Meyer , J. Montgomery , T. E. Montroy , J. Nagy , T. Natoli , J. P. Nibarger , M. D. Niemack , V. Novosad , S. Padin , C. Pryke , C. L. Reichardt , J. E. Ruhl , B. R. Saliwanchik , J. T. Sayre , K. K. Schaffer , E. Shirokoff , K. Story , C. Tucker , K. Vanderlinde , J. D. Vieira , G. Wang , R. Williamson , V. Yefremenko , K. W. Yoon , E. Young

Exploring cosmic origins with CORE: gravitational lensing of the CMB

Lensing of the CMB is now a well-developed probe of large-scale clustering over a broad range of redshifts. By exploiting the non-Gaussian imprints of lensing in the polarization of the CMB, the CORE mission can produce a clean map of the…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-13 Anthony Challinor , Rupert Allison , Julien Carron , Josquin Errard , Stephen Feeney , Thomas Kitching , Julien Lesgourgues , Antony Lewis , Íñigo Zubeldía , Ana Achucarro , Peter Ade , Mark Ashdown , Mario Ballardini , A. J. Banday , Ranajoy Banerji , James Bartlett , Nicola Bartolo , Soumen Basak , Daniel Baumann , Marco Bersanelli , Anna Bonaldi , Matteo Bonato , Julian Borrill , François Bouchet , François Boulanger , Thejs Brinckmann , Martin Bucher , Carlo Burigana , Alessandro Buzzelli , Zhen-Yi Cai , Martino Calvo , Carla-Sofia Carvalho , Gabriella Castellano , Jens Chluba , Sebastien Clesse , Ivan Colantoni , Alessandro Coppolecchia , Martin Crook , Giuseppe d'Alessandro , Paolo de Bernardis , Giancarlo de Gasperis , Gianfranco De Zotti , Jacques Delabrouille , Eleonora Di Valentino , Jose-Maria Diego , Raul Fernandez-Cobos , Simone Ferraro , Fabio Finelli , Francesco Forastieri , Silvia Galli , Ricardo Genova-Santos , Martina Gerbino , Joaquin González-Nuevo , Sebastian Grandis , Joshua Greenslade , Steffen Hagstotz , Shaul Hanany , Will Handley , Carlos Hernandez-Monteagudo , Carlos Hervías-Caimapo , Matthew Hills , Eric Hivon , Kimmo Kiiveri , Ted Kisner , Martin Kunz , Hannu Kurki-Suonio , Luca Lamagna , Anthony Lasenby , Massimiliano Lattanzi , Michele Liguori , Valtteri Lindholm , Marcos López-Caniego , Gemma Luzzi , Bruno Maffei , Enrique Martinez-González , C. J. A. P. Martins , Silvia Masi , Darragh McCarthy , Alessandro Melchiorri , Jean-Baptiste Melin , Diego Molinari , Alessandro Monfardini , Paolo Natoli , Mattia Negrello , Alessio Notari , Alessandro Paiella , Daniela Paoletti , Guillaume Patanchon , Michel Piat , Giampaolo Pisano , Linda Polastri , Gianluca Polenta , Agnieszka Pollo , Vivian Poulin , Miguel Quartin , Mathieu Remazeilles , Matthieu Roman , Jose-Alberto Rubino-Martin , Laura Salvati , Andrea Tartari , Maurizio Tomasi , Denis Tramonte , Neil Trappe , Tiziana Trombetti , Carole Tucker , Jussi Valiviita , Rien Van de Weijgaert , Bartjan van Tent , Vincent Vennin , Patricio Vielva , Nicola Vittorio , Karl Young , Mario Zannoni

The Atacama Cosmology Telescope: $B$-mode delensing with DR6 data and external tracers of large-scale structure

Large-scale $B$-mode polarization of the cosmic microwave background (CMB) is a prime target for current and future experiments in search of primordial gravitational waves (PGW). With increasingly sensitive instruments being deployed,…

Cosmology and Nongalactic Astrophysics · Physics 2025-12-01 Emilie Hertig , Antón Baleato Lizancos , Frank J. Qu , J. Richard Bond , Erminia Calabrese , Anthony Challinor , Mark J. Devlin , Jo Dunkley , Thibaut Louis , Mathew S. Madhavacheril , Toshiya Namikawa , Lyman A. Page , Neelima Sehgal , Blake Sherwin , Cristóbal Sifón , Suzanne T. Staggs , Edward J. Wollack

SPIDER: a balloon-borne CMB polarimeter for large angular scales

We describe SPIDER, a balloon-borne instrument to map the polarization of the millimeter-wave sky with degree angular resolution. Spider consists of six monochromatic refracting telescopes, each illuminating a focal plane of large-format…

Cosmology and Nongalactic Astrophysics · Physics 2011-06-13 J. P. Filippini , P. A. R. Ade , M. Amiri , S. J. Benton , R. Bihary , J. J. Bock , J. R. Bond , J. A. Bonetti , S. A. Bryan , B. Burger , H. C. Chiang , C. R. Contaldi , B. P. Crill , O. Doré , M. Farhang , L. M. Fissel , N. N. Gandilo , S. R. Golwala , J. E. Gudmundsson , M. Halpern , M. Hasselfield , G. Hilton , W. Holmes , V. V. Hristov , K. D. Irwin , W. C. Jones , C. L. Kuo , C. J. MacTavish , P. V. Mason , T. E. Montroy , T. A. Morford , C. B. Netterfield , D. T. O'Dea , A. S. Rahlin , C. D. Reintsema , J. E. Ruhl , M. C. Runyan , M. A. Schenker , J. A. Shariff , J. D. Soler , A. Trangsrud , C. Tucker , R. S. Tucker , A. D. Turner

Simons Observatory Microwave SQUID Multiplexing Readout -- Cryogenic RF Amplifier and Coaxial Chain Design

The Simons Observatory (SO) is an upcoming polarization-sensitive Cosmic Microwave Background (CMB) experiment on the Cerro Toco Plateau (Chile) with large overlap with other optical and infrared surveys (e.g., DESI, LSST, HSC). To enable…

Instrumentation and Methods for Astrophysics · Physics 2020-03-23 Mayuri Sathyanarayana Rao , Maximiliano Silva-Feaver , Aamir Ali , Kam Arnold , Peter Ashton , Bradley J. Dober , Cody J. Duell , Shannon M. Duff , Nicholas Galitzki , Erin Healy , Shawn Henderson , Shuay-Pwu Patty Ho , Jonathan Hoh , Anna M. Kofman , Akito Kusaka , Adrian T. Lee , Aashrita Mangu , Justin Mathewson , Philip Mauskopf , Heather McCarrick , Jenna Moore , Michael D. Niemack , Christopher Raum , Maria Salatino , Trevor Sasse , Joseph Seibert , Sara M. Simon , Suzanne Staggs , Jason R. Stevens , Grant Teply , Robert Thornton , Joel Ullom , Eve M. Vavagiakis , Benjamin Westbrook , Zhilei Xu , Ningfeng Zhu

Two-year Cosmology Large Angular Scale Surveyor (CLASS) Observations: A Measurement of Circular Polarization at 40 GHz

We report circular polarization measurements from the first two years of observation with the 40 GHz polarimeter of the Cosmology Large Angular Scale Surveyor (CLASS). CLASS is conducting a multi-frequency survey covering 75% of the sky…

Cosmology and Nongalactic Astrophysics · Physics 2020-02-12 Ivan L. Padilla , Joseph R. Eimer , Yunyang Li , Graeme E. Addison , Aamir Ali , John W. Appel , Charles L. Bennett , Ricardo Bustos , Michael K. Brewer , Manwei Chan , David T. Chuss , Joseph Cleary , Jullianna Couto , Sumit Dahal , Kevin Denis , Rolando Dünner , Thomas Essinger-Hileman , Pedro Fluxá , Saianeesh K. Haridas , Kathleen Harrington , Jeffrey Iuliano , John Karakla , Tobias A. Marriage , Nathan J. Miller , Carolina Núñez , Lucas Parker , Matthew A. Petroff , Rodrigo Reeves , Karwan Rostem , Robert W. Stevens , Deniz Augusto Nunes Valle , Duncan J. Watts , Janet L. Weiland , Edward J. Wollack , Zhilei Xu

Improved upper limit on degree-scale CMB B-mode polarization power from the 670 square-degree POLARBEAR survey

We report an improved measurement of the degree-scale cosmic microwave background $B$-mode angular-power spectrum over 670 square-degree sky area at 150 GHz with POLARBEAR. In the original analysis of the data, errors in the angle…

Cosmology and Nongalactic Astrophysics · Physics 2022-06-17 The POLARBEAR Collaboration , S. Adachi , T. Adkins , M. A. O. Aguilar Faúndez , K. S. Arnold , C. Baccigalupi , D. Barron , S. Chapman , K. Cheung , Y. Chinone , K. T. Crowley , T. Elleflot , J. Errard , G. Fabbian , C. Feng , T. Fujino , N. Galitzki , N. W. Halverson , M. Hasegawa , M. Hazumi , H. Hirose , L. Howe , J. Ito , O. Jeong , D. Kaneko , N. Katayama , B. Keating , T. Kisner , N. Krachmalnicoff , A. Kusaka , A. T. Lee , E. Linder , A. I. Lonappan , L. N. Lowry , F. Matsuda , T. Matsumura , Y. Minami , M. Murata , H. Nishino , Y. Nishinomiya , D. Poletti , C. L. Reichardt , C. Ross , Y. Segawa , P. Siritanasak , R. Stompor , A. Suzuki , O. Tajima , S. Takakura , S. Takatori , D. Tanabe , G. Teply , K. Yamada , Y. Zhou

Unveiling V Modes: Enhancing CMB Sensitivity to BSM Physics with a Non-Ideal Half-Wave Plate

V-mode polarization of the cosmic microwave background is expected to be vanishingly small in the $\Lambda$CDM model and, hence, usually ignored. Nonetheless, several astrophysical effects, as well as beyond standard model physics could…

Cosmology and Nongalactic Astrophysics · Physics 2024-09-17 N. Raffuzzi , M. Lembo , S. Giardiello , M. Gerbino , M. Lattanzi , P. Natoli , L. Pagano

ACTPol: A polarization-sensitive receiver for the Atacama Cosmology Telescope

The six-meter Atacama Cosmology Telescope (ACT) in Chile was built to measure the cosmic microwave background (CMB) at arcminute angular scales. We are building a new polarization sensitive receiver for ACT (ACTPol). ACTPol will…

Instrumentation and Methods for Astrophysics · Physics 2010-11-11 M. D. Niemack , P. A. R. Ade , J. Aguirre , F. Barrientos , J. A. Beall , J. R. Bond , J. Britton , H. M. Cho , S. Das , M. J. Devlin , S. Dicker , J. Dunkley , R. Dunner , J. W. Fowler , A. Hajian , M. Halpern , M. Hasselfield , G. C. Hilton , M. Hilton , J. Hubmayr , J. P. Hughes , L. Infante , K. D. Irwin , N. Jarosik , J. Klein , A. Kosowsky , T. A. Marriage , J. McMahon , F. Menanteau , K. Moodley , J. P. Nibarger , M. R. Nolta , L. A. Page , B. Partridge , E. D. Reese , J. Sievers , D. N. Spergel , S. T. Staggs , R. Thornton , C. Tucker , E. Wollack , K. W. Yoon

Polarization Calibration of a Microwave Polarimeter with Near-Infrared Up-Conversion for Optical Correlation and Detection

This paper presents a polarization calibration method applied to a microwave polarimeter demonstrator based on a near-infrared (NIR) frequency up-conversion stage that allows both optical correlation and signal detection at a wavelength of…

Instrumentation and Methods for Astrophysics · Physics 2022-10-25 Francisco J. Casas , Patricio Vielva , R. Belen Barreiro , Enrique Martínez-González , G. Pascual-Cisneros

2017 upgrade and performance of BICEP3: a 95GHz refracting telescope for degree-scale CMB polarization

BICEP3 is a 520mm aperture on-axis refracting telescope observing the polarization of the cosmic microwave background (CMB) at 95GHz in search of the B-mode signal originating from inflationary gravitational waves. BICEP3's focal plane is…

Instrumentation and Methods for Astrophysics · Physics 2018-08-03 Jae Hwan Kang , P. A. R. Ade , Z. Ahmed , R. W. Aikin , K. D. Alexander , D. Barkats , S. J. Benton , C. A. Bischof , J. J. Bock , R. Bowens-Rubin , J. A. Brevik , I. Buder , E. Bullock , V. Buza , J. Connors , J. Cornelison , B. P. Crill , M. Crumrine , M. Dierickx , L. Duband , C. Dvorkin , J. P. Filippini , S. Fliescher , J. Grayson , G. Hall , M. Halpern , S. Harrison , S. R. Hildebrandt , G. C. Hilton , H. Hui , K. D. Irwin , K. S. Karkare , E. Karpel , J. P. Kaufman , B. G. Keating , S. Kefeli , S. A. Kernasovskiy , J. M. Kovac , C. L. Kuo , K. Lau , N. A. Larsen , E. M. Leitch , M. Lueker , K. G. Megerian , L. Moncelsi , T. Namikawa , H. T. Nguyen , R. O'Brient , R. W. Ogburn , S. Palladino , C. Pryke , B. Racine , S. Richter , R. Schwarz , A. Schillaci , C. D. Sheehy , A. Soliman , T. St. Germaine , Z. K. Staniszewski , B. Steinbach , R. V. Sudiwala , G. P. Teply , K. L. Thompson , J. E. Tolan , C. Tucker , A. D. Turner , C. Umilta , A. G. Vieregg , A. Wandui , A. C. Weber , D. V. Wiebe , J. Willmert , C. L. Wong , W. L. K. Wu , H. Yang , K. W. Yoon , C. Zhang

Calibration of detector time constant with a thermal source for the POLARBEAR-2A CMB polarization experiment

The Simons Array (SA) project is a ground-based Cosmic Microwave Background (CMB) polarization experiment. The SA observes the sky using three telescopes, and POLARBEAR-2A (PB-2A) is the receiver system on the first telescope. For the…

Instrumentation and Methods for Astrophysics · Physics 2024-12-31 S. Takatori , M. Hasegawa , M. Hazumi , D. Kaneko , N. Katayama , A. T. Lee , S. Takakura , T. Tomaru , T. Adkins , D. Barron , Y. Chinone , K. T. Crowley , T. de Haan , T. Elleflot , N. Farias , C. Feng , T. Fujino , J. C. Groh , H. Hirose , F. Matsuda , H. Nishino , Y. Segawa , P. Siritanasak , A. Suzuki , K. Yamada

E/B Separation in CMB Interferometry

We study the problem of separating E and B modes in interferometric observations of the polarization of the cosmic microwave background. The E and B band powers and their mixings are measured from both single-dish and interferometric mock…

Astrophysics · Physics 2009-11-07 Chan-Gyung Park , Kin-Wang Ng

Characterization of the Millimeter-Wave Polarization of Centaurus A with QUaD

Centaurus (Cen) A represents one of the best candidates for an isolated, compact, highly polarized source that is bright at typical cosmic microwave background (CMB) experiment frequencies. We present measurements of the 4 degree by 2…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 M. Zemcov , P. Ade , J. Bock , M. Bowden , M. L. Brown , G. Cahill , P. G. Castro , S. Church , T. Culverhouse , R. B. Friedman , K. Ganga , W. K. Gear , S. Gupta , J. Hinderks , J. Kovac , A. E. Lange , E. Leitch , S. J. Melhuish , Y. Memari , J. A. Murphy , A. Orlando , C. O'Sullivan , L. Piccirillo , C. Pryke , N. Rajguru , B. Rusholme , R. Schwarz , A. N. Taylor , K. L. Thompson , A. H. Turner , E. Y. S. Wu

The CLASS 150/220 GHz Polarimeter Array: Design, Assembly, and Characterization

We report on the development of a polarization-sensitive dichroic (150/220 GHz) detector array for the Cosmology Large Angular Scale Surveyor (CLASS) delivered to the telescope site in June 2019. In concert with existing 40 and 90 GHz…

Instrumentation and Methods for Astrophysics · Physics 2020-01-20 Sumit Dahal , Mandana Amiri , John W. Appel , Charles L. Bennett , Lance Corbett , Rahul Datta , Kevin Denis , Thomas Essinger-Hileman , Mark Halpern , Kyle Helson , Gene Hilton , Johannes Hubmayr , Benjamin Keller , Tobias Marriage , Carolina Nunez , Matthew Petroff , Carl Reintsema , Karwan Rostem , Kongpop U-Yen , Edward Wollack