Related papers: QUIET - Measuring the CMB polarization with cohere…

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

Measurement of the CMB Polarization at 95 GHz from QUIET

(Abridged) Despite the great success of precision cosmology, cosmologists cannot fully explain the initial conditions of the Universe. Inflation, an exponential expansion in the first 10^-36s, is a promising potential explanation. A generic…

Instrumentation and Methods for Astrophysics · Physics 2012-09-07 Immanuel Buder

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

First Season QUIET Observations: Measurements of CMB Polarization Power Spectra at 43 GHz in the Multipole Range 25 <= ell <= 475

The Q/U Imaging ExperimenT (QUIET) employs coherent receivers at 43GHz and 95GHz, operating on the Chajnantor plateau in the Atacama Desert in Chile, to measure the anisotropy in the polarization of the CMB. QUIET primarily targets the B…

Cosmology and Nongalactic Astrophysics · Physics 2012-07-23 QUIET Collaboration , C. Bischoff , A. Brizius , I. Buder , Y. Chinone , K. Cleary , R. N. Dumoulin , A. Kusaka , R. Monsalve , S. K. Næss , L. B. Newburgh , R. Reeves , K. M. Smith , I. K. Wehus , J. A. Zuntz , J. T. L. Zwart , L. Bronfman , R. Bustos , S. E. Church , C. Dickinson , H. K. Eriksen , P. G. Ferreira , T. Gaier , J. O. Gundersen , M. Hasegawa , M. Hazumi , K. M. Huffenberger , M. E. Jones , P. Kangaslahti , D. J. Kapner , C. R. Lawrence , M. Limon , J. May , J. J. McMahon , A. D. Miller , H. Nguyen , G. W. Nixon , 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 , K. Vanderlinde , R. Williamson , B. Winstein

Second Season QUIET Observations: Measurements of the CMB Polarization Power Spectrum at 95 GHz

The Q/U Imaging ExperimenT (QUIET) has observed the cosmic microwave background (CMB) at 43 and 95GHz. The 43-GHz results have been published in QUIET Collaboration et al. (2011), and here we report the measurement of CMB polarization power…

Cosmology and Nongalactic Astrophysics · Physics 2013-02-01 QUIET Collaboration , D. Araujo , C. Bischoff , A. Brizius , I. Buder , Y. Chinone , K. Cleary , R. N. Dumoulin , A. Kusaka , R. Monsalve , S. K. Næss , L. B. Newburgh , R. Reeves , I. K. Wehus , J. T. L. Zwart , L. Bronfman , R. Bustos , S. E. Church , C. Dickinson , H. K. Eriksen , T. Gaier , J. O. Gundersen , M. Hasegawa , M. Hazumi , K. M. Huffenberger , K. Ishidoshiro , M. E. Jones , P. Kangaslahti , D. J. Kapner , D. Kubik , C. R. Lawrence , M. Limon , J. J. McMahon , A. D. Miller , M. Nagai , H. Nguyen , G. Nixon , T. J. Pearson , L. Piccirillo , S. J. E. Radford , A. C. S. Readhead , J. L. Richards , D. Samtleben , M. Seiffert , M. C. Shepherd , K. M. Smith , S. T. Staggs , O. Tajima , K. L. Thompson , K. Vanderlinde , R. Williamson

Optical Design and Characterization of 40-GHz Detector and Module for the BICEP Array

Families of cosmic inflation models predict a primordial gravitational-wave background that imprints B-mode polarization pattern in the Cosmic Microwave Background (CMB). High sensitivity instruments with wide frequency coverage and…

Instrumentation and Methods for Astrophysics · Physics 2020-02-14 A. Soliman , 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. Cheshire , J. Connors , J. Cornelison , M. Crumrine , A. Cukierman , M. Dierickx , L. Duband , S. Fatigoni , J. P. Filippini , G. Hall , M. Halpern , S. Harrison , S. Henderson , S. R. Hildebrandt , G. C. Hilton , H. Hui , K. D. Irwin , J. Kang , K. S. Karkare , E. Karpel , S. Kefeli , J. M. Kovac , C. L. Kuo , K. Lau , K. G. Megerian , L. Moncelsi , T. Namikawa , H. T. Nguyen , R. OBrient , S. Palladino , T. Prouve , N. Precup , C. Pryke , B. Racine , C. D. Reintsema , S. Richter , B. Schmitt , R. Schwarz , C. D. Sheehy , A. Schillaci , T. St. Germaine , B. Steinbach , R. V. Sudiwala , K. L. Thompson , C. Tucker , A. D. Turner , C. Umilta , A. G. Vieregg , A. Wandui , A. C. Weber , D. V. Wiebe , J. Willmert , W. L. K. Wu , E. Yang , K. W. Yoon , E. Young , C. Yu , C. Zhang

Readout system with on-board demodulation for CMB polarization experiments using coherent polarimeter arrays

B-modes are special patterns in cosmic microwave background (CMB) polarization. The detection of them is a smoking-gun signature of primordial gravitational waves. The generic strategy of the CMB polarization experiments is to employ a…

Instrumentation and Methods for Astrophysics · Physics 2012-07-11 Koji Ishidoshiro , Makoto Nagai , Takeo Higuchi , Masaya Hasegawa , Masashi Hazumi , Masahiro Ikeno , Osamu Tajima , Manobu Tanaka , Tomohisa Uchida

Fabrication of Feedhorn-Coupled Transition Edge Sensor Arrays for Measurement of the Cosmic Microwave Background Polarization

Characterization of the minute cosmic microwave background polarization signature requires multi-frequency, high-throughput precision instrument systems. We have previously described the detector fabrication of a 40 GHz focal plane and now…

Instrumentation and Methods for Astrophysics · Physics 2016-01-27 Kevin L. Denis , Aamir Ali , John W. Appel , Charles L. Bennett , Meng-Ping Chang , David T. Chuss , Felipe Colazo , Nicholas Costen , Thomas Essinger-Hileman , Ron Hu , Tobias Marriage , Karwan Rostem , Kongpop U-Yen , Edward J. Wollack

Low Temperature Detectors for CMB Imaging Arrays

We review advances in low temperature detector (LTD) arrays for Cosmic Microwave Background (CMB) polarization experiments, with a particular emphasis on imaging arrays. We briefly motivate the science case, which has spurred a large number…

Instrumentation and Methods for Astrophysics · Physics 2018-08-29 Johannes Hubmayr , Jason E. Austermann , James A. Beall , Daniel T. Becker , Bradley Dober , Shannon M. Duff , Jiansong Gao , Gene C. Hilton , Christopher M. McKenney , Joel N. Ullom , Jeff Van Lanen , Michael R. Vissers

BICEP Array cryostat and mount design

Bicep Array is a cosmic microwave background (CMB) polarization experiment that will begin observing at the South Pole in early 2019. This experiment replaces the five Bicep2 style receivers that compose the Keck Array with four larger…

Instrumentation and Methods for Astrophysics · Physics 2018-08-03 M. Crumrine , 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. 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 , J. Kang , 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 Measurements of the BICEP3 and BICEP Array CMB Polarimeters from 2017 to 2024

The BICEP3 and BICEP Array polarimeters are small-aperture refracting telescopes located at the South Pole designed to measure primordial gravitational wave signatures in the Cosmic Microwave Background (CMB) polarization, predicted by…

Cosmology and Nongalactic Astrophysics · Physics 2024-09-26 Christos Giannakopoulos , Clara Vergès , P. A. R. Ade , Zeeshan Ahmed , Mandana Amiri , Denis Barkats , Ritoban Basu Thakur , Colin A. Bischoff , Dominic Beck , James J. Bock , Hans Boenish , Victor Buza , James R. Cheshire , Jake Connors , James Cornelison , Michael Crumrine , Ari Jozef Cukierman , Edward Denison , Marion Dierickx , Lionel Duband , Miranda Eiben , Brodi D. Elwood , Sofia Fatigoni , Jeff P. Filippini , Antonio Fortes , Min Gao , Neil Goeckner-Wald , David C. Goldfinger , James A. Grayson , Paul K. Grimes , Grantland Hall , George Halal , Mark Halpern , Emma Hand , Sam A. Harrison , Shawn Henderson , Johannes Hubmayr , Howard Hui , Kent D. Irwin , Jae Hwan Kang , Kirit S. Karkare , Sinan Kefeli , J. M. Kovac , Chao-Lin Kuo , King Lau , Margaret Lautzenhiser , Amber Lennox , Tongtian Liu , Koko G. Megerian , Oliver Miller , Lorenzo Minutolo , Lorenzo Moncelsi , Yuka Nakato , H. T. Nguyen , Roger O'brient , Anika Patel , Matthew A. Petroff , Anna R. Polish , Nathan Precup , Thomas Prouve , Clement Pryke , Carl D. Reintsema , Thibault Romand , Maria Salatino , Alessandro Schillaci , Benjamin Schmitt , Baibhav Singari , Ahmed Soliman , Tyler St Germaine , Aaron Steiger , Bryan Steinbach , Rashmi Sudiwala , Keith L. Thompson , Calvin Tsai , Carole Tucker , Anthony D. Turner , Abigail G. Vieregg , Albert Wandui , Alexis C. Weber , Justin Willmert , Wai Ling K. Wu , Hung-I Yang , Cyndia Yu , Lingzhen Zeng , Cheng Zhang , Silvia Zhang

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

A Measurement of the Degree Scale CMB B-mode Angular Power Spectrum with POLARBEAR

We present a measurement of the $B$-mode polarization power spectrum of the cosmic microwave background (CMB) using taken from July 2014 to December 2016 with the POLARBEAR experiment. The CMB power spectra are measured using observations…

Cosmology and Nongalactic Astrophysics · Physics 2021-01-15 S. Adachi , M. A. O. Aguilar Faúndez , K. Arnold , C. Baccigalupi , D. Barron , D. Beck , S. Beckman , F. Bianchini , D. Boettger , J. Borrill , J. Carron , S. Chapman , K. Cheung , Y. Chinone , K. Crowley , A. Cukierman , M. Dobbs , H. El Bouhargani , T. Elleflot , J. Errard , G. Fabbian , C. Feng , T. Fujino , N. Galitzki , N. Goeckner-Wald , J. Groh , G. Hall , N. Halverson , T. Hamada , M. Hasegawa , M. Hazumi , C. A. Hill , L. Howe , Y. Inoue , G. Jaehnig , O. Jeong , D. Kaneko , N. Katayama , B. Keating , R. Keskitalo , S. Kikuchi , T. Kisner , N. Krachmalnicoff , A. Kusaka , A. T. Lee , D. Leon , E. Linder , L. N. Lowry , A. Mangu , F. Matsuda , Y. Minami , M. Navaroli , H. Nishino , A. T. P. Pham , D. Poletti , G. Puglisi , C. L. Reichardt , Y. Segawa , M. Silva-Feaver , P. Siritanasak , N. Stebor , R. Stompor , A. Suzuki , O. Tajima , S. Takakura , S. Takatori , D. Tanabe , G. P. Teply , C. Tsai , C. Verges , B. Westbrook , Y. Zhou

BICEP2 and Keck Array operational overview and status of observations

The BICEP2 and Keck Array experiments are designed to measure the polarization of the cosmic microwave background (CMB) on angular scales of 2-4 degrees (l=50-100). This is the region in which the B-mode signal, a signature prediction of…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 R. W. Ogburn , P. A. R. Ade , R. W. Aikin , M. Amiri , S. J. Benton , C. A. Bischoff , J. J. Bock , J. A. Bonetti , J. A. Brevik , E. Bullock , B. Burger , G. Davis , C. D. Dowell , L. Duband , J. P. Filippini , S. Fliescher , S. R. Golwala , M. Gordon , M. Halpern , M. Hasselfield , G. Hilton , V. V. Hristov , H. Hui , K. Irwin , J. P. Kaufman , B. G. Keating , S. A. Kernasovskiy , J. M. Kovac , C. L. Kuo , E. M. Leitch , M. Lueker , T. Montroy , C. B. Netterfield , H. T. Nguyen , R. O'Brient , A. Orlando , C. L. Pryke , C. Reintsema , S. Richter , J. E. Ruhl , M. C. Runyan , R. Schwarz , C. D. Sheehy , Z. K. Staniszewski , R. V. Sudiwala , G. P. Teply , K. Thompson , J. E. Tolan , A. D. Turner , A. G. Vieregg , D. V. Wiebe , P. Wilson , C. L. Wong

CMB Observations: improvements of the performance of correlation radiometers by signal modulation and synchronous detection

Observation of the fine structures (anisotropies, polarization, spectral distortions) of the Cosmic Microwave Background (CMB) is hampered by instabilities, 1/f noise and asymmetries of the radiometers used to carry on the measurements.…

Astrophysics · Physics 2009-11-07 Daniele Spiga , Elia Battistelli , Giuliano Boella , Massimo Gervasi , Mario Zannoni , Giorgio Sironi

The POLARBEAR Experiment

We present the design and characterization of the POLARBEAR experiment. POLARBEAR will measure the polarization of the cosmic microwave background (CMB) on angular scales ranging from the experiment's 3.5 arcminute beam size to several…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 Z. Kermish , P. Ade , A. Anthony , K. Arnold , K. Arnold , 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 , T. Kisner , A. T. Lee , M. Le Jeune , E. Linder , M. Lungu , F. Matsuda , T. Matsumura , X. Meng , N. J. Miller , H. Morii , S. Moyerman , M. J. Myers , H. Nishino , H. Paar , E. Quealy , C. L. Reichardt , P. L. Richards , C. Ross , A. Shimizu , M. Shimon , C. Shimmin , M. Sholl , P. Siritanasak , H. Spieler , N. Stebor , B. Steinbach , R. Stompor , A. Suzuki , T. Tomaru , C. Tucker , O. Zahn

Development of the 220/270 GHz Receiver of BICEP Array

Measurements of B-mode polarization in the CMB sourced from primordial gravitational waves would provide information on the energy scale of inflation and its potential form. To achieve these goals, one must carefully characterize the…

Instrumentation and Methods for Astrophysics · Physics 2024-09-05 Keck Collaboration , Y. Nakato , P. A. R. Ade , Z. Ahmed , M. Amiri , D. Barkats , R. Basu Thakur , C. A. Bischoff , D. Beck , J. J. Bock , V. Buza , B. Cantrall , J. R. Cheshire , J. Cornelison , M. Crumrine , A. J. Cukierman , E. Denison , M. Dierickx , L. Duband , 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 , P. K. Grimes , G. Hall , G. Halal , M. Halpern , E. Hand , S. Harrison , S. Henderson , J. Hubmayr , H. Hui , K. D. Irwin , J. Kang , K. S. Karkare , E. Karpel , S. Kefeli , J. M. Kovac , C. L. Kuo , K. Lau , M. Lautzenhiser , A. Lennox , T. Liu , K. G. Megerian , M. Miller , L. Minutolo , L. Moncelsi , H. T. Nguyen , R. O'Brient , A. Patel , M. Petroff , A. R. Polish , T. Prouve , C. Pryke , C. D. Reintsema , T. Romand , M. Salatino , A. Schillaci , B. L. Schmitt , B. Singari , A. Soliman , T. St. Germaine , A. Steiger , B. Steinbach , R. Sudiwala , K. L. Thompson , C. Tucker , A. D. Turner , C. Vergès , A. Wandui , A. C. Weber , J. Willmert , W. L. K. Wu , H. Yang , E. Young , C. Yu , L. Zeng , C. Zhang , S. Zhang

POLARBEAR-2: an instrument for CMB polarization measurements

POLARBEAR-2 (PB-2) is a cosmic microwave background (CMB) polarization experiment that will be located in the Atacama highland in Chile at an altitude of 5200 m. Its science goals are to measure the CMB polarization signals originating from…

Instrumentation and Methods for Astrophysics · Physics 2017-01-18 Y. Inoue , P. Ade , Y. Akiba , C. Aleman , K. Arnold , C. Baccigalupi , B. Barch , D. Barron , A. Bender , D. Boettger , J. Borrill , S. Chapman , Y. Chinone , A. Cukierman , T. de Haan , M. A. Dobbs , A. Ducout , R. Dunner , T. Elleflot , J. Errard , G. Fabbian , S. Feeney , C. Feng , G. Fuller , A. J. Gilbert , N. Goeckner-Wald , J. Groh , G. Hall , N. Halverson , T. Hamada , M. Hasegawa , K. Hattori , M. Hazumi , C. Hill , W. L. Holzapfel , Y. Hori , L. Howe , F. Irie , G. Jaehnig , A. Jaffe , O. Jeongh , N. Katayama , J. P. Kaufman , K. Kazemzadeh , B. G. Keating , Z. Kermish , R. Keskital , T. Kisner , A. Kusaka , M. Le Jeune , A. T. Lee , D. Leon , E. V. Linder , L. Lowry , F. Matsuda , T. Matsumura , N. Miller , K. Mizukami , J. Montgomery , M. Navaroli , H. Nishino , H. Paar , J. Peloton , D. Poletti , G. Puglisi , C. R. Raum , G. M. Rebeiz , C. L. Reichardt , P. L. Richards , C. Ross , K. M. Rotermund , Y. Segaw , B. D. Sherwin , I. Shirley , P. Siritanasak , N. Stebor , R. Stompor A. Suzuki , O. Tajima , S. Takada , S. Takatori , G. P. Teply , A. Tikhomirol , T. Tomaru , N. Whitehorn , A. Zahn , O. Zahn

Design and characterization of the POLARBEAR-2b and POLARBEAR-2c cosmic microwave background cryogenic receivers

The POLARBEAR-2/Simons Array Cosmic Microwave Background (CMB) polarization experiment is an upgrade and expansion of the existing POLARBEAR-1 (PB-1) experiment, located in the Atacama desert in Chile. Along with the CMB temperature and…

Instrumentation and Methods for Astrophysics · Physics 2018-06-15 Logan Howe , Calvin Tsai , Lindsay Lowry , Kam Arnold , Gabriele Coppi , John Groh , Xiaoyu Guo , Brian Keating , Adrian Lee , Andrew J. May , Lucio Piccirillo , Nathan Stebor , Grant Teply

The Q/U Imaging Experiment: Polarization Measurements of Radio Sources at 43 and 95 GHz

We present polarization measurements of extragalactic radio sources observed during the Cosmic Microwave Background polarization survey of the Q/U Imaging Experiment (QUIET), operating at 43 GHz (Q-band) and 95 GHz (W-band). We examine…

Astrophysics of Galaxies · Physics 2016-04-27 QUIET Collaboration , K. M. Huffenberger , D. Araujo , C. Bischoff , I. Buder , Y. Chinone , K. Cleary , A. Kusaka , R. Monsalve , S. K. Næss , L. B. Newburgh , R. Reeves , T. M. Ruud , I. K. Wehus , J. T. L. Zwart , C. Dickinson , H. K. Eriksen , T. Gaier , J. O. Gundersen , M. Hasegawa , M. Hazumi , A. D. Miller , S. J. E. Radford , A. C. S. Readhead , S. T. Staggs , O. Tajima , K. L. Thompson