Related papers: The Keck Array: a pulse tube cooled CMB polarimete…

Measuring the Cosmic Microwave Background Radiation (CMBR) polarization with QUIET

A major goal of upcoming experiments measuring the Cosmic Microwave Background Radiation (CMBR) is to reveal the subtle signature of inflation in the polarization pattern which requires unprecedented sensitivity and control of systematics.…

Astrophysics · Physics 2019-08-13 Dorothea Samtleben

A ThermalKinetic Inductance Detectors Pixel Design for Cosmic Microwave Background Observations at 90/150 GHz bands

The highly sensitive millimeter-wave telescope is an important tool for accurate measurement of Cosmic Microwave Background (CMB) radiation, and its core component is a detector array located in a cryogenic focal plane. The feasibility of…

Instrumentation and Methods for Astrophysics · Physics 2024-01-29 Ye Chai , Shibo Shu , Yongping Li , Jiamin Sun , Zhouhui Liu , Yu Xu , Daikang Yan , Zhengwei Li , Yang Liu , Yiwen Wang , Weijie Guo , Juexian Cao , Congzhan Liu

Suitability of Magnetic Microbolometers based on Paramagnetic Temperature Sensors for CMB Polarization Measurements

High resolution maps of polarization anisotropies of the Cosmic Microwave Background (CMB) are in high demand, since the discovery of primordial B-Modes in the polarization patterns would confirm the inflationary phase of the Universe that…

Instrumentation and Detectors · Physics 2024-06-12 Juan Manuel Geria , Matias Rolf Hampel , Sebastian Kempf , Juan Jose Bonaparte , Luciano Pablo Ferreyro , Manuel Elías García Redondo , Daniel Alejandro Almela , Juan Manuel Salum , Nahuel Müller , Jesus David Bonilla-Neira , Alan Ezequiel Fuster , Manuel Platino , Alberto Etchegoyen

Degree-Scale CMB Polarization Measurements from Three Years of BICEP1 Data

BICEP1 is a millimeter-wavelength telescope designed specifically to measure the inflationary B-mode polarization of the Cosmic Microwave Background (CMB) at degree angular scales. We present results from an analysis of the data acquired…

Cosmology and Nongalactic Astrophysics · Physics 2015-04-24 BICEP1 Collaboration , D. Barkats , R. Aikin , C. Bischoff , I. Buder , J. P. Kaufman , B. G. Keating , J. M. Kovac , M. Su , P. A. R. Ade , J. O. Battle , E. M. Bierman , J. J. Bock , H. C. Chiang , C. D. Dowell , L. Duband , J. Filippini , E. F. Hivon , W. L. Holzapfel , V. V. Hristov , W. C. Jones , C. L. Kuo , E. M. Leitch , P. V. Mason , T. Matsumura , H. T. Nguyen , N. Ponthieu , C. Pryke , S. Richter , G. Rocha , C. Sheehy , S. S. Kernasovskiy , Y. D. Takahashi , J. E. Tolan , K. W. Yoon

Characterization of the BICEP Telescope for High-Precision Cosmic Microwave Background Polarimetry

The BICEP experiment was designed specifically to search for the signature of inflationary gravitational waves in the polarization of the cosmic microwave background (CMB). Using a novel small-aperture refractor and 49 pairs of…

Cosmology and Nongalactic Astrophysics · Physics 2010-02-25 Y. D. Takahashi , P. A. R. Ade , D. Barkats , J. O. Battle , E. M. Bierman , J. J. Bock , H. C. Chiang , C. D. Dowell , L. Duband , E. F. Hivon , W. L. Holzapfel , V. V. Hristov , W. C. Jones , B. G. Keating , J. M. Kovac , C. L. Kuo , A. E. Lange , E. M. Leitch , P. V. Mason , T. Matsumura , H. T. Nguyen , N. Ponthieu , C. Pryke , S. Richter , G. Rocha , K. W. Yoon

The CMB flexes its BICEPs while walking the Planck

Recent microwave polarization measurements from the BICEP2 experiment may reveal a long-sought signature of inflation. However, these new results appear inconsistent with the best-fit model from the Planck satellite. We suggest a…

Cosmology and Nongalactic Astrophysics · Physics 2014-04-01 Douglas Scott , Ali Frolop

Polarization Sensitive Multi-Chroic MKIDs

We report on the development of scalable prototype microwave kinetic inductance detector (MKID) arrays tailored for future multi-kilo-pixel experiments that are designed to simultaneously characterize the polarization properties of both the…

Instrumentation and Methods for Astrophysics · Physics 2016-07-22 Bradley R. Johnson , Daniel Flanigan , Maximilian H. Abitbol , Peter A. R. Ade , Sean Bryan , Hsiao-Mei Cho , Rahul Datta , Peter Day , Simon Doyle , Kent Irwin , Glenn Jones , Sarah Kernasovskiy , Dale Li , Phil Mauskopf , Heather McCarrick , Jeff McMahon , Amber Miller , Giampaolo Pisano , Yanru Song , Harshad Surdi , Carole Tucker

Development of Multi-Chroic MKIDs for Next-Generation CMB Polarization Studies

We report on the status of an ongoing effort to develop arrays of horn-coupled, polarization-sensitive microwave kinetic inductance detectors (MKIDs) that are each sensitive to two spectral bands between 125 and 280 GHz. These multi-chroic…

Instrumentation and Methods for Astrophysics · Physics 2018-07-31 B. R. Johnson , D. Flanigan , M. H. Abitbol , P. A. R. Ade , S. Bryan , H. -M. Cho , R. Datta , P. Day , S. Doyle , K. Irwin , G. Jones , D. Li , P. Mauskopf , H. McCarrick , J. McMahon , A. Miller , G. Pisano , Y. Song , H. Surdi , C. Tucker

Cosmic Microwave Background Observations in the Post-Planck Era

The Microwave Anisotropy Probe and Planck missions will provide low noise maps of the temperature of the cosmic microwave background (CMB). These maps will allow measurement of the power spectrum of the CMB with measurement noise below…

Astrophysics · Physics 2007-05-23 J. B. Peterson , J. E. Carlstrom , E. S. Cheng , M. Kamionkowski , A. E. Lange , M. Seiffert , D. N. Spergel , A. Stebbins

The QUIET Instrument

The Q/U Imaging ExperimenT (QUIET) is designed to measure polarization in the Cosmic Microwave Background, targeting the imprint of inflationary gravitational waves at large angular scales (~ 1 degree). Between 2008 October and 2010…

Instrumentation and Methods for Astrophysics · Physics 2016-09-20 QUIET Collaboration , C. Bischoff , A. Brizius , I. Buder , Y. Chinone , K. Cleary , R. N. Dumoulin , A. Kusaka , R. Monsalve , S. K. Naess , L. B. Newburgh , G. Nixon , R. Reeves , K. M. Smith , K. Vanderlinde , I. K. Wehus , M. Bogdan , R. Bustos , S. E. Church , R. Davis , C. Dickinson , H. K. Eriksen , T. Gaier , J. O. Gundersen , M. Hasegawa , M. Hazumi , C. Holler , K. M. Huffenberger , W. A. Imbriale , K. Ishidoshiro , M. E. Jones , P. Kangaslahti , D. J. Kapner , C. R. Lawrence , E. M. Leitch , M. Limon , J. J. McMahon , A. D. Miller , M. Nagai , H. Nguyen , T. J. Pearson , L. Piccirillo , S. J. E. Radford , A. C. S. Readhead , J. L. Richards , D. Samtleben , M. Seiffert , M. C. Shepherd , S. T. Staggs , O. Tajima , K. L. Thompson , R. Williamson , B. Winstein , E. J. Wollack , J. T. L. Zwart

Planck 2018 results. VII. Isotropy and Statistics of the CMB

Analysis of the Planck 2018 data set indicates that the statistical properties of the cosmic microwave background (CMB) temperature anisotropies are in excellent agreement with previous studies using the 2013 and 2015 data releases. In…

Cosmology and Nongalactic Astrophysics · Physics 2020-09-16 Planck Collaboration , Y. Akrami , M. Ashdown , J. Aumont , C. Baccigalupi , M. Ballardini , A. J. Banday , R. B. Barreiro , N. Bartolo , S. Basak , K. Benabed , M. Bersanelli , P. Bielewicz , J. J. Bock , J. R. Bond , J. Borrill , F. R. Bouchet , F. Boulanger , M. Bucher , C. Burigana , R. C. Butler , E. Calabrese , J. -F. Cardoso , B. Casaponsa , H. C. Chiang , L. P. L. Colombo , C. Combet , D. Contreras , B. P. Crill , P. de Bernardis , G. de Zotti , J. Delabrouille , J. -M. Delouis , E. Di Valentino , J. M. Diego , O. Doré , M. Douspis , A. Ducout , X. Dupac , G. Efstathiou , F. Elsner , T. A. Enßlin , H. K. Eriksen , Y. Fantaye , R. Fernandez-Cobos , F. Finelli , M. Frailis , A. A. Fraisse , E. Franceschi , A. Frolov , S. Galeotta , S. Galli , K. Ganga , R. T. Génova-Santos , M. Gerbino , T. Ghosh , J. González-Nuevo , K. M. Górski , A. Gruppuso , J. E. Gudmundsson , J. Hamann , W. Handley , F. K. Hansen , D. Herranz , E. Hivon , Z. Huang , A. H. Jaffe , W. C. Jones , E. Keihänen , R. Keskitalo , K. Kiiveri , J. Kim , N. Krachmalnicoff , M. Kunz , H. Kurki-Suonio , G. Lagache , J. -M. Lamarre , A. Lasenby , M. Lattanzi , C. R. Lawrence , M. Le Jeune , F. Levrier , M. Liguori , P. B. Lilje , V. Lindholm , M. López-Caniego , Y. -Z. Ma , J. F. Macías-Pérez , G. Maggio , D. Maino , N. Mandolesi , A. Mangilli , A. Marcos-Caballero , M. Maris , P. G. Martin , E. Martínez-González , S. Matarrese , N. Mauri , J. D. McEwen , P. R. Meinhold , A. Mennella , M. Migliaccio , M. -A. Miville-Deschênes , D. Molinari , A. Moneti , L. Montier , G. Morgante , A. Moss , P. Natoli , L. Pagano , D. Paoletti , B. Partridge , F. Perrotta , V. Pettorino , F. Piacentini , G. Polenta , J. -L. Puget , J. P. Rachen , M. Reinecke , M. Remazeilles , A. Renzi , G. Rocha , C. Rosset , G. Roudier , J. A. Rubiño-Martín , B. Ruiz-Granados , L. Salvati , M. Savelainen , D. Scott , E. P. S. Shellard , C. Sirignano , R. Sunyaev , A. -S. Suur-Uski , J. A. Tauber , D. Tavagnacco , M. Tenti , L. Toffolatti , M. Tomasi , T. Trombetti , L. Valenziano , J. Valiviita , B. Van Tent , P. Vielva , F. Villa , N. Vittorio , B. D. Wandelt , I. K. Wehus , A. Zacchei , J. P. Zibin , A. Zonca

The new generation CMB B-mode polarization experiment: POLARBEAR

We describe the Cosmic Microwave Background (CMB) polarization experiment called Polarbear. This experiment will use the dedicated Huan Tran Telescope equipped with a powerful 1,200-bolometer array receiver to map the CMB polarization with…

Instrumentation and Methods for Astrophysics · Physics 2011-04-25 The Polarbear Collaboration , J. Errard , P. A. R. Ade , A. Anthony , K. Arnold , F. Aubin , D. Boettger , J. Borrill , C. Cantalupo , M. A. Dobbs , D. Flanigan , A. Ghribi , N. Halverson , M. Hazumi , W. L. Holzapfel , J. Howard , P. Hyland , A. Jaffe , B. Keating , T. Kisner , Z. Kermish , A. T. Lee , E. Linder , M. Lungu , T. Matsumura , N. Miller , X. Meng , M. Myers , H. Nishino , R. O'Brient , D. O'Dea , C. Reichardt , I. Schanning , A. Shimizu , C. Shimmin , M. Shimon , H. Spieler , B. Steinbach , R. Stompor , A. Suzuki , T. Tomaru , H. T. Tran , C. Tucker , E. Quealy , P. L. Richards , O. Zahn

The bolometric focal plane array of the Polarbear CMB experiment

The Polarbear Cosmic Microwave Background (CMB) polarization experiment is currently observing from the Atacama Desert in Northern Chile. It will characterize the expected B-mode polarization due to gravitational lensing of the CMB, and…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 K. Arnold , P. A. R. Ade , A. E. Anthony , D. Barron , D. Boettger , J. Borrill , S. Chapman , Y. Chinone , M. A. Dobbs , J. Errard , G. Fabbian , D. Flanigan , G. Fuller , A. Ghribi , W. Grainger , N. Halverson , M. Hasegawa , K. Hattori , M. Hazumi , W. L. Holzapfel , J. Howard , P. Hyland , A. Jaffe , B. Keating , Z. Kermish , T. Kisner , M. Le Jeune , A. T. Lee , E. Linder , M. Lungu , F. Matsuda , T. Matsumura , N. J. Miller , X. Meng , H. Morii , S. Moyerman , M. J. Myers , H. Nishino , H. Paar , E. Quealy , C. Reichardt , P. L. Richards , C. Ross , A. Shimizu , C. Shimmin , M. Shimon , M. Sholl , P. Siritanasak , H. Spieler , N. Stebor , B. Steinbach , R. Stompor , A. Suzuki , T. Tomaru , C. Tucker , O. Zahn

BICEP/Keck XIX: Extremely Thin Composite Polymer Vacuum Windows for BICEP and Other High Throughput Millimeter Wave Telescopes

Millimeter-wave refracting telescopes targeting the degree-scale structure of the cosmic microwave background (CMB) have recently grown to diffraction-limited apertures of over 0.5 meters. These instruments are entirely housed in vacuum…

Instrumentation and Methods for Astrophysics · Physics 2026-03-16 Keck Collaboration , P. A. R. Ade , Z. Ahmed , M. Amiri , D. Barkats , R. Basu Thakur , C. A. Bischoff , D. Beck , J. J. Bock , H. Boenish , V. Buza , K. Carter , J. R. Cheshire , J. Connors , J. Cornelison , L. Corrigan , M. Crumrine , S. Crystian , A. J. Cukierman , E. Denison , L. Duband , M. Echter , M. Eiben , B. D. Elwood , S. Fatigoni , J. P. Filippini , A. Fortes , M. Gao , C. Giannakopoulos , N. Goeckner-Wald , D. C. Goldfinger , J. A. Grayson , A. Greathouse , P. K. Grimes , G. Hall , G. Halal , M. Halpern , E. Hand , S. A. Harrison , S. Henderson , J. Hubmayr , H. Hui , K. D. Irwin , J. H. Kang , K. S. Karkare , S. Kefeli , J. M. Kovac , C. Kuo , K. Lau , M. Lautzenhiser , A. Lennox , T. Liu , K. G. Megerian , M. Miller , L. Minutolo , L. Moncelsi , Y. Nakato , H. T. Nguyen , R. O'brient , S. Paine , A. Patel , M. A. Petroff , A. R. Polish , T. Prouve , C. Pryke , C. D. Reintsema , T. Romand , D. Santalucia , A. Schillaci , B. Schmitt , E. Sheffield , B. Singari , K. Sjoberg , A. Soliman , T. St Germaine , A. Steiger , B. Steinbach , R. Sudiwala , K. L. Thompson , C. Tsai , C. Tucker , A. D. Turner , C. Vergès , A. G. Vieregg , A. Wandui , A. C. Weber , J. Willmert , W. L. K. Wu , H. Yang , C. Yu , L. Zeng , C. Zhang , S. Zhang

Status of the COSmological Microwave Observations CALibrator

As the sensitivity of CMB telescopes increases, the need for precise calibration becomes critical. Started in 2022, the COSMOCal project aims to place an artificial polarized source in geostationary orbit, which will serve as a reference…

Instrumentation and Methods for Astrophysics · Physics 2026-05-19 L. Mousset , J. Aumont , S. Berta , L. Bizzarri , F. Boulanger , A. Catalano , F. Cuttaia , A. Denis , A. -L. Fontana , D. González Ovejero , B. Kalemi , S. Leclercq , J. -F. Macías-Pérez , B. Maffei , T. Mcnamara , S. Micheli , M. Migliaccio , L. Montier , P. Morfin , M. Moulin , M. Murgia , I. Myserlis , F. Nati , P. Ortu , M. Pérault , G. Pisano , T. Pisanu , N. Ponthieu , A. Ritacco , S. Savorgnano , L. Terenzi , L. Thibaut , J. Treuttel , C. Vescovi , L. Vacher , M. Zannoni

Testing physical models for dipolar asymmetry: from temperature to k space to lensing

One of the most intriguing hints of a departure from the standard cosmological model is a large-scale dipolar power asymmetry in the cosmic microwave background (CMB). If not a statistical fluke, its origins must lie in the modulation of…

Cosmology and Nongalactic Astrophysics · Physics 2017-03-23 J. P. Zibin , D. Contreras

BICEP2 / Keck Array VIII: Measurement of gravitational lensing from large-scale B-mode polarization

We present measurements of polarization lensing using the 150 GHz maps which include all data taken by the BICEP2 & Keck Array CMB polarization experiments up to and including the 2014 observing season (BK14). Despite their modest angular…

Cosmology and Nongalactic Astrophysics · Physics 2017-01-11 The Keck Array , BICEP2 Collaborations , : , P. A. R. Ade , Z. Ahmed , R. W. Aikin , K. D. Alexander , D. Barkats , S. J. Benton , C. A. Bischoff , J. J. Bock , R. Bowens-Rubin , J. A. Brevik , I. Buder , E. Bullock , V. Buza , J. Connors , B. P. Crill , L. Duband , C. Dvorkin , J. P. Filippin , S. Fliescher , J. Grayson , M. Halpern , S. Harrison , S. R. Hildebrandt , G. C. Hilton , H. Hui , K. D. Irwin , J. Kang , K. S. Karkare , E. Karpel , J. P. Kaufman , B. G. Keating , S. Kefeli , S. A. Kernasovskiy , J. M. Kovac , C. L. Kuo , E. M. Leitch , M. Lueker , K. G. Megerian , T. Namikawa , C. B. Netterfield , H. T. Nguyen , R. O'Brient , R. W. Ogburn , A. Orlando , C. Pryke , S. Richter , R. Schwarz , C. D. Sheehy , Z. K. Staniszewski , B. Steinbach , R. V. Sudiwala , G. P. Teply , K. L. Thompson , J. E. Tolan , C. Tucker , A. D. Turner , A. G. Vieregg , A. C. Weber , D. V. Wiebe , J. Willmert , C. L. Wong , W. L. K. Wu , K. W. Yoon

CMB polarization features from inflation versus reionization

The angular power spectrum of the cosmic microwave background temperature anisotropy observed by WMAP has an anomalous dip at l~20 and bump at l~40. One explanation for this structure is the presence of features in the primordial curvature…

Cosmology and Nongalactic Astrophysics · Physics 2009-05-19 Michael J. Mortonson , Cora Dvorkin , Hiranya V. Peiris , Wayne Hu

The large scale polarization explorer (LSPE) for CMB measurements: performance forecast

[Abridged] The measurement of the polarization of the Cosmic Microwave Background radiation is one of the current frontiers in cosmology. In particular, the detection of the primordial B-modes, could reveal the presence of gravitational…

Instrumentation and Methods for Astrophysics · Physics 2021-08-10 The LSPE collaboration , G. Addamo , P. A. R. Ade , C. Baccigalupi , A. M. Baldini , P. M. Battaglia , E. S. Battistelli , A. Baù , P. de Bernardis , M. Bersanelli , M. Biasotti , A. Boscaleri , B. Caccianiga , S. Caprioli , F. Cavaliere , F. Cei , K. A. Cleary , F. Columbro , G. Coppi , A. Coppolecchia , F. Cuttaia , G. D'Alessandro , G. De Gasperis , M. De Petris , V. Fafone , F. Farsian , L. Ferrari Barusso , F. Fontanelli , C. Franceschet , T. C. Gaier , L. Galli , F. Gatti , R. Genova-Santos , M. Gerbino , M. Gervasi , T. Ghigna , D. Grosso , A. Gruppuso , R. Gualtieri , F. Incardona , M. E. Jones , P. Kangaslahti , N. Krachmalnicoff , L. Lamagna , M. Lattanzi , C. H. López-Caraballo , M. Lumia , R. Mainini , D. Maino , S. Mandelli , M. Maris , S. Masi , S. Matarrese , A. May , L. Mele , P. Mena , A. Mennella , R. Molina , D. Molinari , G. Morgante , U. Natale , F. Nati , P. Natoli , L. Pagano , A. Paiella , F. Panico , F. Paonessa , S. Paradiso , A. Passerini , M. Perez-de-Taoro , O. A. Peverini , F. Piacentini , L. Piccirillo , G. Pisano , D. Poletti , G. Presta , S. Realini , N. Reyes , J. A. Rubino-Martin , M. Sandri , S. Sartor , F. Pezzotta , G. Polenta , A. Rocchi , A. Schillaci , G. Signorelli , B. Siri , M. Soria , F. Spinella , V. Tapia , A. Tartari , A. C. Taylor , L. Terenzi , M. Tomasi , E. Tommasi , C. Tucker , D. Vaccaro , D. M. Vigano , F. Villa , G. Virone , N. Vittorio , A. Volpe , R. E. J. Watkins , A. Zacchei , M. Zannoni

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