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We describe the design and expected performance of Clover, a new instrument designed to measure the B-mode polarization of the cosmic microwave background. The proposed instrument will comprise three independent telescopes operating at 90,…

We report the results of a joint analysis of data from BICEP2/Keck Array and Planck. BICEP2 and Keck Array have observed the same approximately 400 deg$^2$ patch of sky centered on RA 0h, Dec. $-57.5\deg$. The combined maps reach a depth of…

Cosmology and Nongalactic Astrophysics · Physics 2015-04-16 BICEP2/Keck , Planck Collaborations , : , P. A. R. Ade , N. Aghanim , Z. Ahmed , R. W. Aikin , K. D. Alexander , M. Arnaud , J. Aumont , C. Baccigalupi , A. J. Banday , D. Barkats , R. B. Barreiro , J. G. Bartlett , N. Bartolo , E. Battaner , K. Benabed , A. Benoît , A. Benoit-Lévy , S. J. Benton , J. -P. Bernard , M. Bersanelli , P. Bielewicz , C. A. Bischoff , J. J. Bock , A. Bonaldi , L. Bonavera , J. R. Bond , J. Borrill , F. R. Bouchet , F. Boulanger , J. A. Brevik , M. Bucher , I. Buder , E. Bullock , C. Burigana , R. C. Butler , V. Buza , E. Calabrese , J. -F. Cardoso , A. Catalano , A. Challinor , R. -R. Chary , H. C. Chiang , P. R. Christensen , L. P. L. Colombo , C. Combet , J. Connors , F. Couchot , A. Coulais , B. P. Crill , A. Curto , F. Cuttaia , L. Danese , R. D. Davies , R. J. Davis , P. de Bernardis , A. de Rosa , G. de Zotti , J. Delabrouille , J. -M. Delouis , F. -X. Désert , C. Dickinson , J. M. Diego , H. Dole , S. Donzelli , O. Doré , M. Douspis , C. D. Dowell , L. Duband , A. Ducout , J. Dunkley , X. Dupac , C. Dvorkin , G. Efstathiou , F. Elsner , T. A. Enßlin , H. K. Eriksen , E. Falgarone , J. P. Filippini , F. Finelli , S. Fliescher , O. Forni , M. Frailis , A. A. Fraisse , E. Franceschi , A. Frejsel , S. Galeotta , S. Galli , K. Ganga , T. Ghosh , M. Giard , E. Gjerløw , S. R. Golwala , J. González-Nuevo , K. M. Górski , S. Gratton , A. Gregorio , A. Gruppuso , J. E. Gudmundsson , M. Halpern , F. K. Hansen , D. Hanson , D. L. Harrison , M. Hasselfield , G. Helou , S. Henrot-Versillé , D. Herranz , S. R. Hildebrandt , G. C. Hilton , E. Hivon , M. Hobson , W. A. Holmes , W. Hovest , V. V. Hristov , K. M. Huffenberger , H. Hui , G. Hurier , K. D. Irwin , A. H. Jaffe , T. R. Jaffe , J. Jewell , W. C. Jones , M. Juvela , A. Karakci , K. S. Karkare , J. P. Kaufman , B. G. Keating , S. Kefeli , E. Keihänen , S. A. Kernasovskiy , R. Keskitalo , T. S. Kisner , R. Kneissl , J. Knoche , L. Knox , J. M. Kovac , N. Krachmalnicoff , M. Kunz , C. L. Kuo , H. Kurki-Suonio , G. Lagache , A. Lähteenmäki , J. -M. Lamarre , A. Lasenby , M. Lattanzi , C. R. Lawrence , E. M. Leitch , R. Leonardi , F. Levrier , A. Lewis , M. Liguori , P. B. Lilje , M. Linden-Vørnle , M. López-Caniego , P. M. Lubin , M. Lueker , J. F. Macías-Pérez , B. Maffei , D. Maino , N. Mandolesi , A. Mangilli , M. Maris , P. G. Martin , E. Martínez-González , S. Masi , P. Mason , S. Matarrese , K. G. Megerian , P. R. Meinhold , A. Melchiorri , L. Mendes , A. Mennella , M. Migliaccio , S. Mitra , M. -A. Miville-Deschênes , A. Moneti , L. Montier , G. Morgante , D. Mortlock , A. Moss , D. Munshi , J. A. Murphy , P. Naselsky , F. Nati , P. Natoli , C. B. Netterfield , H. T. Nguyen , H. U. Nørgaard-Nielsen , F. Noviello , D. Novikov , I. Novikov , R. O'Brient , R. W. Ogburn , A. Orlando , L. Pagano , F. Pajot , R. Paladini , D. Paoletti , B. Partridge , F. Pasian , G. Patanchon , T. J. Pearson , O. Perdereau , L. Perotto , V. Pettorino , F. Piacentini , M. Piat , D. Pietrobon , S. Plaszczynski , E. Pointecouteau , G. Polenta , N. Ponthieu , G. W. Pratt , S. Prunet , C. Pryke , J. -L. Puget , J. P. Rachen , W. T. Reach , R. Rebolo , M. Reinecke , M. Remazeilles , C. Renault , A. Renzi , S. Richter , I. Ristorcelli , G. Rocha , M. Rossetti , G. Roudier , M. Rowan-Robinson , J. A. Rubiño-Martín , B. Rusholme , M. Sandri , D. Santos , M. Savelainen , G. Savini , R. Schwarz , D. Scott , M. D. Seiffert , C. D. Sheehy , L. D. Spencer , Z. K. Staniszewski , V. Stolyarov , R. Sudiwala , R. Sunyaev , D. Sutton , A. -S. Suur-Uski , J. -F. Sygnet , J. A. Tauber , G. P. Teply , L. Terenzi , K. L. Thompson , L. Toffolatti , J. E. Tolan , M. Tomasi , M. Tristram , M. Tucci , A. D. Turner , L. Valenziano , J. Valiviita , B. Van Tent , L. Vibert , P. Vielva , A. G. Vieregg , F. Villa , L. A. Wade , B. D. Wandelt , R. Watson , A. C. Weber , I. K. Wehus , M. White , S. D. M. White , J. Willmert , C. L. Wong , K. W. Yoon , D. Yvon , A. Zacchei , A. Zonca

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

Measurements of the polarization of the cosmic microwave background (CMB) radiation are expected to significantly increase our understanding of the early universe. We present a design for a CMB polarimeter in which a cryogenically cooled…

Astrophysics · Physics 2016-11-17 S. Hanany , T. Matsumura , B. Johnson , T. Jones , J. R. Hull , K. B. Ma

We present an improved search for axion-like polarization oscillations in the cosmic microwave background (CMB) with observations from the Keck Array. An all-sky, temporally sinusoidal rotation of CMB polarization, equivalent to a…

LiteBIRD is a next-generation satellite mission to measure the polarization of the cosmic microwave background (CMB) radiation. On large angular scales the B-mode polarization of the CMB carries the imprint of primordial gravitational…

We describe the QUaD experiment, a millimeter-wavelength polarimeter designed to observe the Cosmic Microwave Background (CMB) from a site at the South Pole. The experiment comprises a 2.64 m Cassegrain telescope equipped with a…

The search for the polarized imprint of primordial gravitational waves in the cosmic microwave background (CMB) as direct evidence of cosmic inflation requires exquisite sensitivity and control over systematics. The next-generation CMB-S4…

The successful European Space Agency (ESA) Planck mission has mapped the Cosmic Microwave Background (CMB) temperature anisotropy with unprecedented accuracy. However, Planck was not designed to detect the polarised components of the CMB…

Instrumentation and Methods for Astrophysics · Physics 2014-10-01 G. Pisano , B. Maffei , M. W. Ng , V. Haynes , M. Brown , F. Noviello , P. de Bernardis , S. Masi , F. Piacentini , L. Pagano , M. Salatino , B. Ellison , M. Henry , P. de Maagt , B. Shortt

Planck's Cosmic Microwave Background temperature and polarization observations are the premier dataset for constraining cosmological models. Cosmic variance limited temperature at large and intermediate scales today dominates the…

Cosmology and Nongalactic Astrophysics · Physics 2023-01-18 Adrien La Posta , Umberto Natale , Erminia Calabrese , Xavier Garrido , Thibaut Louis

The BICEP3 Polarimeter is a small aperture, refracting telescope, dedicated to the observation of the Cosmic Microwave Background (CMB) at 95GHz. It is designed to target degree angular scale polarization patterns, in particular the…

The BICEP/Keck series of experiments target the Cosmic Microwave Background at degree-scale resolution from the South Pole. Over the next few years, the "Stage-3" BICEP Array (BA) telescope will improve the program's frequency coverage and…

Instrumentation and Methods for Astrophysics · Physics 2023-07-19 Marion Dierickx , P. A. R. Ade , Zeeshan Ahmed , Mandana Amiri , Denis Barkats , Ritoban Basu Thakur , Colin A. Bischoff , Dominic Beck , James J. Bock , Victor Buza , James R. Cheshire , Jake Connors , James Cornelison , Michael Crumrine , Ari Jozef Cukierman , Edward Denison , Lionel Duband , Miranda Eiben , Sofia Fatigoni , Jeff P. Filippini , Christos Giannakopoulos , Neil Goeckner-Wald , David Goldfinger , James A. Grayson , Paul Grimes , Grantland Hall , George Halal , Mark Halpern , Emma Hand , Sam A. Harrison , Shawn Henderson , Sergi Hildebrandt , Gene C. Hilton , Johannes Hubmayr , Howard Hui , Kent D. Irwin , Jae Hwan Kang , Kirit S. Karkare , Sinan Kefeli , J. M. Kovac , Chao-Lin Kuo , King Lau , Erik M. Leitch , Amber Lennox , K , . G. Megerian , Lorenzo Minutolo , Lorenzo Moncelsi , Yuka Nakato , Toshiya Namikawa , H. T. Nguyen , Roger O'brient , Steven Palladino , Matthew Petroff , Nathan Precup , Thomas Prouve , Clement Pryke , Benjamin Racine , Carl D. Reintsema , Destiny Santalucia , Alessandro Schillaci , Benjamin Schmitt , Baibhav Singari , Ahmed Soliman , Tyler St Germaine , Bryan Steinbach , Rashmi Sudiwala , Keith L. Thompson , Carole Tucker , Anthony D. Turner , Caterina Umiltà , Clara Verges , Abigail G. Vieregg , Albert Wandui , Alexis C. Weber , Don Wiebe , Justin Willmert , Wai Ling K. Wu , Hung-I Yang , Ki Won Yoon , Edward Young , Cyndia Yu , Lingzhen Zeng , Cheng Zhang , Silvia Zhang

CLOVER is an experiment which aims to detect the signature of gravitational waves from inflation by measuring the B-mode polarization of the cosmic microwave background. CLOVER consists of three telescopes operating at 97, 150, and 220 GHz.…

Current experiments aimed at measuring the polarization of the Cosmic Microwave Background (CMB) use cryogenic detector arrays and cold optical systems to boost the mapping speed of the sky survey. For these reasons, large volume cryogenic…

Instrumentation and Methods for Astrophysics · Physics 2022-04-27 S. Masi , E. S. Battistelli , P. de Bernardis , C. Chapron , F. Columbro , G. D'Alessandro , M. De Petris , L. Grandsire , J. -Ch. Hamilton , S. Marnieros , L. Mele , A. May , A. Mennella , C. O'Sullivan , A. Paiella , F. Piacentini , M. Piat , L. Piccirillo , G. Presta , A. Schillaci , A. Tartari , J. -P. Thermeau , S. A. Torchinsky , F. Voisin , M. Zannoni , P. Ade , J. G. Alberro , A. Almela , G. Amico , L. H. Arnaldi , D. Auguste , J. Aumont , S. Azzoni , S. Banfi , B. Bélier , A. Baù , D. Bennett , L. Bergé , J. -Ph. Bernard , M. Bersanelli , M. -A. Bigot-Sazy , J. Bonaparte , J. Bonis , E. Bunn , D. Burke , D. Buzi , F. Cavaliere , P. Chanial , R. Charlassier , A. C. Cobos Cerutti , A. Coppolecchia , G. De Gasperis , M. De Leo , S. Dheilly , C. Duca , L. Dumoulin , A. Etchegoyen , A. Fasciszewski , L. P. Ferreyro , D. Fracchia , C. Franceschet , M. M. Gamboa Lerena , K. M. Ganga , B. García , M. E. García Redondo , M. Gaspard , D. Gayer , M. Gervasi , M. Giard , V. Gilles , Y. Giraud-Heraud , M. Gómez Berisso , M. González , M. Gradziel , M. R. Hampel , D. Harari , S. Henrot-Versillé , F. Incardona , E. Jules , J. Kaplan , C. Kristukat , L. Lamagna , S. Loucatos , T. Louis , B. Maffei , W. Marty , A. Mattei , M. McCulloch , D. Melo , L. Montier , L. Mousset , L. M. Mundo , J. A. Murphy , J. D. Murphy , F. Nati , E. Olivieri , C. Oriol , F. Pajot , A. Passerini , H. Pastoriza , A. Pelosi , C. Perbost , M. Perciballi , F. Pezzotta , G. Pisano , M. Platino , G. Polenta , D. Prêle , R. Puddu , D. Rambaud , E. Rasztocky , P. Ringegni , G. E. Romero , J. M. Salum , C. G. Scóccola , S. Scully , S. Spinelli , G. Stankowiak , M. Stolpovskiy , A. D. Supanitsky , P. Timbie , M. Tomasi , G. Tucker , C. Tucker , D. Viganò , N. Vittorio , F. Wicek , M. Wright , A. Zullo

BICEP3 is a 520 mm aperture on-axis refracting telescope at the South Pole, which observes the polarization of the cosmic microwave background (CMB) at 95 GHz to search for the B-mode signal from inflationary gravitational waves. In…

The Advanced Atacama Cosmology Telescope Polarimeter (AdvACT) \cite{thornton} is an upgrade for the Atacama Cosmology Telescope using Transition Edge Sensor (TES) detector arrays to measure cosmic microwave background (CMB) temperature and…

The observational status of inflation after the Planck 2013 and 2015 results and the BICEP2/Keck Array and Planck joint analysis is discussed. These pedagogical lecture notes are intended to serve as a technical guide filling the gap…

Cosmology and Nongalactic Astrophysics · Physics 2017-02-22 Jerome Martin

We use a custom-made calibrator to measure individual detectors' polarization angles of BICEP3, a small aperture telescope observing the cosmic microwave background (CMB) at 95GHz from the South Pole. We describe our calibration strategy…

Present cosmic microwave background (CMB) observations have significantly advanced our understanding of the universe's origin, especially with primordial gravitational waves (PGWs). Currently, ground-based CMB telescopes are mainly located…

Cosmology and Nongalactic Astrophysics · Physics 2024-08-02 Dongdong Zhang , Bo Wang , Jia-Rui Li , Yi-Fu Cai , Chang Feng

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…