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Measurements of the cosmic microwave background (CMB) radiation provide a unique opportunity for a direct study of the primordial cosmic plasma at redshift z ~1000. The angular power spectra of temperature and polarisation fluctuations are…

Astrophysics · Physics 2009-11-10 Marco Bersanelli , Davide Maino , Aniello Mennella

The recently detected polarization of the cosmic microwave background (CMB) holds the potential for revealing the physics of inflation and gravitationally mapping the large-scale structure of the universe, if so called B-mode signals below…

Astrophysics · Physics 2011-05-12 Wayne Hu , Matthew M. Hedman , Matias Zaldarriaga

(abridged for arXiv) We report results from the BICEP2 experiment, a cosmic microwave background (CMB) polarimeter specifically designed to search for the signal of inflationary gravitational waves in the B-mode power spectrum around…

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

Spider is a balloon-borne experiment that will measure the polarization of the Cosmic Microwave Background over a large fraction of a sky at 1 degree resolution. Six monochromatic refracting millimeter-wave telescopes with large arrays of…

We describe a measurement of the angular power spectrum of anisotropies in the Cosmic Microwave Background (CMB) from 0.3 degrees to ~10 degrees from the North American test flight of the BOOMERANG experiment. BOOMERANG is a balloon-borne…

The Q & U Bolometric Interferometer for Cosmology, QUBIC, is an innovative experiment designed to measure the polarization of the Cosmic Microwave Background and in particular the signature left therein by the inflationary expansion of the…

Instrumentation and Methods for Astrophysics · Physics 2020-03-18 E. S. Battistelli , P. Ade , J. G. Alberro , A. Almela , G. Amico , L. H. Arnaldi , D. Auguste , J. Aumont , S. Azzoni , S. Banfi , P. Battaglia , A. Baù , B. Bèlier , D. Bennett , L. Bergè , J. -Ph. Bernard , M. Bersanelli , M. -A. Bigot-Sazy , N. Bleurvacq , J. Bonaparte , J. Bonis , A. Bottani , E. Bunn , D. Burke , D. Buzi , A. Buzzelli , F. Cavaliere , P. Chanial , C. Chapron , R. Charlassier , F. Columbro , G. Coppi , A. Coppolecchia , G. D'Alessandro , P. de Bernardis , G. De Gasperis , M. De Leo , M. De Petris , S. Dheilly , A. Di Donato , L. Dumoulin , A. Etchegoyen , A. Fasciszewski , L. P. Ferreyro , D. Fracchia , C. Franceschet , M. M. Gamboa Lerena , K. Ganga , B. Garcìa , M. E. Garcìa Redondo , M. Gaspard , A. Gault , D. Gayer , M. Gervasi , M. Giard , V. Gilles , Y. Giraud-Heraud , M. Gòmez Berisso , M. Gonzàlez , M. Gradziel , L. Grandsire , J. -Ch. Hamilton , D. Harari , V. Haynes , S. Henrot-Versillè , D. T. Hoang , F. Incardona , E. Jules , J. Kaplan , A. Korotkov , C. Kristukat , L. Lamagna , S. Loucatos , T. Louis , R. Luterstein , B. Maffei , S. Marnieros , W. Marty , S. Masi , A. Mattei , A. May , M. McCulloch , M. C. Medina , L. Mele , S. Melhuish , A. Mennella , L. Montier , L. Mousset , L. M. Mundo , J. A. Murphy , J. D. Murphy , F. Nati , E. Olivieri , C. Oriol , C. O'Sullivan , A. Paiella , F. Pajot , A. Passerini , H. Pastoriza , A. Pelosi , C. Perbost , M. Perciballi , F. Pezzotta , F. Piacentini , M. Piat , L. Piccirillo , G. Pisano , M. Platino , G. Polenta , D. Prèle , R. Puddu , D. Rambaud , P. Ringegni , G. E. Romero , M. Salatino , J. M. Salum , A. Schillaci , C. Scòccola , S. Scully , S. Spinelli , G. Stankowiak , M. Stolpovskiy , F. Suarez , A. Tartari , J. -P. Thermeau , P. Timbie , M. Tomasi , S. Torchinsky , M. Tristram , C. Tucker , G. Tucker , S. Vanneste , D. Viganò , N. Vittorio , F. Voisin , B. Watson , F. Wicek , M. Zannoni , A. Zullo

We are developing multi-chroic antenna-coupled TES detectors for CMB polarimetry. Multi-chroic detectors increase the mapping speed per focal plane area and provide greater discrimination of polarized galactic foregrounds with no increase…

The search for the B-mode polarization of Cosmic Microwave Background (CMB) is the new frontier of observational Cosmology. A B-mode detection would give an ultimate confirmation to the existence of a primordial Gravitational Wave (GW)…

Instrumentation and Methods for Astrophysics · Physics 2017-09-15 Alessandro Buzzelli , Giancarlo de Gasperis , Paolo de Bernardis , Silvia Masi , Nicola Vittorio

Measurements of the 2.7 K cosmic microwave background (CMB) radiation now provide the most stringent constraints on cosmological models. The power spectra of the temperature anisotropies and the $E$-mode polarization of the CMB are…

Cosmology and Nongalactic Astrophysics · Physics 2010-07-01 Siddharth Savyasachi Malu , Peter T Timbie

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

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…

We report measurements of the CMB polarization power spectra from the January 2003 Antarctic flight of BOOMERANG. The primary results come from six days of observation of a patch covering 0.22% of the sky centered near R.A. = 82.5 deg.,…

The Simons Observatory (SO) is a cosmic microwave background (CMB) experiment located in the Atacama Desert in Chile that will make precise temperature and polarization measurements over six spectral bands ranging from 27 to 285 GHz. Three…

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

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…

Detecting B-mode polarization anisotropies on large angular scales in the CMB polarization pattern is one of the major challenges in modern observational cosmology since it would give us an important evidence in favor of the inflationary…

Instrumentation and Methods for Astrophysics · Physics 2020-09-04 Federico Incardona
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