Related papers: The CLASS 150/220 GHz Polarimeter Array: Design, A…

Design and Deployment of a Multichroic Polarimeter Array on the Atacama Cosmology Telescope

We present the design and the preliminary on sky performance with respect to beams and pass-bands of a multichroic polarimeter array covering the 90 and 146 GHz Cosmic Microwave Background (CMB) bands and its enabling broadband optical…

Instrumentation and Methods for Astrophysics · Physics 2016-04-20 R. Datta , J. Austermann , J. A. Beall , D. Becker , K. P. Coughlin , S. M. Duff , P. A. Gallardo , E. Grace , M. Hasselfield , S. W. Henderson , G. C. Hilton , S. P. Ho , J. Hubmayr , B. J. Koopman , J. V. Lanen , D. Li , J. McMahon , C. D. Munson , F. Nati , M. D. Niemack , L. Page , C. G. Pappas , M. Salatino , B. L. Schmitt , A. Schillaci , S. M. Simon , S. T. Staggs , J. R. Stevens , E. M. Vavagiakis , J. T. Ward , E. J. Wollack

BICEP2 / Keck Array V: Measurements of B-mode Polarization at Degree Angular Scales and 150 GHz by the Keck Array

The Keck Array is a system of cosmic microwave background (CMB) polarimeters, each similar to the BICEP2 experiment. In this paper we report results from the 2012 and 2013 observing seasons, during which the Keck Array consisted of five…

Cosmology and Nongalactic Astrophysics · Physics 2015-10-06 The BICEP2 , Keck Array Collaborations , : , P. A. R. Ade , Z. Ahmed , R. W. Aikin , K. D. Alexander , D. Barkats , S. J. Benton , C. A. Bischoff , J. J. Bock , J. A. Brevik , I. Buder , E. Bullock , V. Buza , J. Connors , B. P. Crill , C. D. Dowell , C. Dvorkin , L. Duband , J. P. Filippini , S. Fliescher , S. R. Golwala , M. Halpern , M. Hasselfield , S. R. Hildebrandt , G. C. Hilton , V. V. Hristov , H. Hui , K. D. Irwin , K. S. Karkare , J. P. Kaufman , B. G. Keating , S. Kefeli , S. A. Kernasovskiy , J. M. Kovac , C. L. Kuo , E. M. Leitch , M. Lueker , P. Mason , K. G. Megerian , C. B. Netterfield , H. T. Nguyen , R. O'Brient , R. W. Ogburn , A. Orlando , C. Pryke , C. D. Reintsema , S. Richter , R. Schwarz , C. D. Sheehy , Z. K. Staniszewski , R. V. Sudiwala , G. P. Teply , K. L. Thompson , J. E. Tolan , A. D. Turner , A. G. Vieregg , A. C. Weber , J. Willmert , C. L. Wong , K. W. Yoon

The Simons Observatory 220 and 280 GHz Focal-Plane Module: Design and Initial Characterization

The Simons Observatory (SO) will detect and map the temperature and polarization of the millimeter-wavelength sky from Cerro Toco, Chile across a range of angular scales, providing rich data sets for cosmological and astrophysical analysis.…

Instrumentation and Methods for Astrophysics · Physics 2022-08-10 Erin Healy , Daniel Dutcher , Zachary Atkins , Jason Austermann , Steve K. Choi , Cody J. Duell , Shannon Duff , Nicholas Galitzki , Zachary B. Huber , Johannes Hubmayr , Bradley R. Johnson , Heather McCarrick , Michael D. Niemack , Rita Sonka , Suzanne T. Staggs , Eve Vavagiakis , Yuhan Wang , Zhilei Xu , Kaiwen Zheng

Multi-Chroic Feed-Horn Coupled TES Polarimeters

Multi-chroic polarization sensitive detectors offer an avenue to increase both the spectral coverage and sensitivity of instruments optimized for observations of the cosmic-microwave background (CMB) or sub-mm sky. We report on an effort to…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 J. McMahon , J. Beall , D. Becker , H. M. Cho , R. Datta. A. Fox , N. Halverson , J. Hubmayr , K. Irwin , J. Nibarger , M. Niemack , H. Smith

Planar Silicon Metamaterial Lenslet Arrays for Millimeter-wavelength Imaging

Large imaging arrays of detectors at millimeter and submillimeter wavelengths have applications that include measurements of the faint polarization signal in the Cosmic Microwave Background (CMB), and submillimeter astrophysics. We are…

Instrumentation and Methods for Astrophysics · Physics 2020-12-17 Christopher M. McKenney , Jason E. Austermann , James A. Beall , Nils W. Halverson , Johannes Hubmayr , Gregory Jaehnig , Giampaolo Pisano , Sarah A. Stevenson , Aritoki Suzuki , Jonathan A. Thompson

On-sky performance of the CLASS Q-band telescope

The Cosmology Large Angular Scale Surveyor (CLASS) is mapping the polarization of the Cosmic Microwave Background (CMB) at large angular scales ($2<\ell\lesssim200$) in search of a primordial gravitational wave B-mode signal down to a…

Instrumentation and Methods for Astrophysics · Physics 2019-05-13 John W. Appel , Zhilei Xu , Ivan L. Padilla , Kathleen Harrington , Bastián Pradenas Marquez , Aamir Ali , Charles L. Bennett , Michael K. Brewer , Ricardo Bustos , Manwei Chan , David T. Chuss , Joseph Cleary , Jullianna Couto , Sumit Dahal , Kevin Denis , Rolando Dünner , Joseph R. Eimer , Thomas Essinger-Hileman , Pedro Fluxa , Dominik Gothe , Gene C. Hilton , Johannes Hubmayr , Jeffrey Iuliano , John Karakla , Tobias A. Marriage , Nathan J. Miller , Carolina Núñez , Lucas Parker , Matthew Petroff , Carl D. Reintsema , Karwan Rostem , Robert W. Stevens , Deniz Augusto Nunes Valle , Bingjie Wang , Duncan J. Watts , Edward J. Wollack , Lingzhen Zeng

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

Long-Timescale Stability in CMB Observations at Multiple Frequencies using Front-End Polarization Modulation

The Cosmology Large Angular Scale Surveyor (CLASS) is a telescope array observing the Cosmic Microwave Background (CMB) at frequency bands centered near 40, 90, 150, and 220 GHz. CLASS measures the CMB polarization on the largest angular…

Instrumentation and Methods for Astrophysics · Physics 2022-08-11 Joseph Cleary , Rahul Datta , John W. Appel , Charles L. Bennett , David T. Chuss , Jullianna Denes Couto , Sumit Dahal , Francisco Espinoza , Thomas Essinger-Hileman , Kathleen Harrington , Jeffrey Iuliano , Yunyang Li , Tobias A. Marriage , Carolina Nunez , Matthew A. Petroff , Rodrigo A. Reeves , Rui Shi , Duncan J. Watts , Edward J. Wollack , Zhilei Xu

Long wave infrared detection using probabilistic spintronic bolometer arrays

The use of probabilistic spintronic devices for infrared radiation detection has introduced a shift in approach to thermal imaging. The integration of probabilistic magnetic tunnel junctions with infrared plasmonic nano-antennas achieves…

Instrumentation and Detectors · Physics 2025-10-09 Utkarsh Singh , Leif Bauer , Angshuman Deka , Mohamed Mousa , Daien He , Sakshi Gupta , Bhagwati Prasad , Zubin Jacob

SPT-3G: A Next-Generation Cosmic Microwave Background Polarization Experiment on the South Pole Telescope

We describe the design of a new polarization sensitive receiver, SPT-3G, for the 10-meter South Pole Telescope (SPT). The SPT-3G receiver will deliver a factor of ~20 improvement in mapping speed over the current receiver, SPTpol. The…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 B. A. Benson , P. A. R. Ade , Z. Ahmed , S. W. Allen , K. Arnold , J. E. Austermann , A. N. Bender , L. E. Bleem , J. E. Carlstrom , C. L. Chang , H. M. Cho , S. T. Ciocys , J. F. Cliche , T. M. Crawford , A. Cukierman , T. de Haan , M. A. Dobbs , D. Dutcher , W. Everett , A. Gilbert , N. W. Halverson , D. Hanson , N. L. Harrington , K. Hattori , J. W. Henning , G. C. Hilton , G. P. Holder , W. L. Holzapfel , K. D. Irwin , R. Keisler , L. Knox , D. Kubik , C. L. Kuo , A. T. Lee , E. M. Leitch , D. Li , M. McDonald , S. S. Meyer , J. Montgomery , M. Myers , T. Natoli , H. Nguyen , V. Novosad , S. Padin , Z. Pan , J. Pearson , C. L. Reichardt , J. E. Ruhl , B. R. Saliwanchik , G. Simard , G. Smecher , J. T. Sayre , E. Shirokoff , A. A. Stark , K. Story , A. Suzuki , K. L. Thompson , C. Tucker , K. Vanderlinde , J. D. Vieira , A. Vikhlinin , G. Wang , V. Yefremenko , K. W. Yoon

Characterization and performance of the second-year SPT-3G focal plane

The third-generation instrument for the 10-meter South Pole Telescope, SPT-3G, was first installed in January 2017. In addition to completely new cryostats, secondary telescope optics, and readout electronics, the number of detectors in the…

Instrumentation and Methods for Astrophysics · Physics 2018-09-05 D. Dutcher , P. A. R. Ade , Z. Ahmed , A. J. Anderson , J. S. Avva , R. Basu Thakur , A. N. Bender , B. A. Benson , J. E. Carlstrom , F. W. Carter , T. W. Cecil , C. L. Chang , J. F. Cliche , A. Cukierman , T. de Haan , J. Ding , M. A. Dobbs , W. Everett , A. Foster , J. Gallicchio , A. Gilbert , J. C. Groh , S. T. Guns , N. W. Halverson , A. H. Harke-Hosemann , N. L. Harrington , J. W. Henning , W. L. Holzapfel , N. Huang , K. D. Irwin , O. B. Jeong , M. Jonas , T. S. Khaire , A. M. Kofman , M. Korman , D. L. Kubik , S. Kuhlmann , C. -L. Kuo , A. T. Lee , A. E. Lowitz , S. S. Meyer , D. Michalik , J. Montgomery , A. Nadolski , T. Natoli , H. Nguyen , G. I. Noble , V. Novosad , S. Padin , Z. Pan , J. Pearson , C. M. Posada , W. Quan , A. Rahlin , J. E. Ruhl , J. T. Sayre , E. Shirokoff , G. Smecher , J. A. Sobrin , A. A. Stark , K. T. Story , A. Suzuki , K. L. Thompson , C. Tucker , K. Vanderlinde , J. D. Vieira , G. Wang , N. Whitehorn , V. Yefremenko , K. W. Yoon , M. R. Young

High-impedence NbSi TES sensors for studying the cosmic microwave background radiation

Precise measurements of the cosmic microwave background (CMB) are crucial in cosmology, because any proposed model of the universe must account for the features of this radiation. Of all CMB measurements that the scientific community has…

Instrumentation and Methods for Astrophysics · Physics 2013-07-08 Claudia Nones , Stefanos Marnieros , Alain Benoit , Laurent Bergé , Aurelien Bideau , Philippe Camus , Louis Dumoulin , Alessandro Monfardini , Olivier Rigaut

Planck early results: first assessment of the High Frequency Instrument in-flight performance

The Planck High Frequency Instrument (HFI) is designed to measure the temperature and polarization anisotropies of the Cosmic Microwave Background and galactic foregrounds in six wide bands centered at 100, 143, 217, 353, 545 and 857 GHz at…

Instrumentation and Methods for Astrophysics · Physics 2015-05-27 Planck HFI Core Team , P. A. R. Ade , N. Aghanim , R. Ansari , M. Arnaud , M. Ashdown , J. Aumont , A. J. Banday , M. Bartelmann , J. G. Bartlett , E. Battaner , K. Benabed , A. Benot , J. -P. Bernard , M. Bersanelli , R. Bhatia , J. J. Bock , J. R. Bond , J. Borrill , F. R. Bouchet , F. Boulanger , T. Bradshaw , E. Brelle , M. Bucher , P. Camus , J. -F. Cardoso , A. Catalano , A. Challinor , A. Chamballu , J. Charra , M. Charra , R. -R. Chary , C. Chiang , S. Church , D. L. Clements , S. Colombi , F. Couchot , A. Coulais , C. Cressiot , B. P. Crill , M. Crook , P. de Bernardis , J. Delabrouille , J. -M. Delouis , F. -X. Désert , K. Dolag , H. Dole , O. Doré , M. Douspis , G. Efstathiou , P. Eng , C. Filliard , O. Forni , P. Fosalba , J. -J. Fourmond , K. Ganga , M. Giard , D. Girard , Y. Giraud-Héraud , R. Gispert , K. M. Gorski , S. Gratton , M. Griffin , G. Guyot , J. Haissinski , D. Harrison , G. Helou , S. Henrot-Versillé , C. Hernandez-Monteagudo , S. R. Hildebrandt , R. Hills , E. Hivon , M. Hobson , W. A. Holmes , K. M. Huenberger , A. H. Jae , W. C. Jones , J. Kaplan , R. Kneissl , L. Knox , G. Lagache , J. -M. Lamarre , P. Lami , A. E. Lange , A. Lasenby , A. Lavabre , C. R. Lawrence , B. Leriche , C. Leroy , Y. Longval , J. F. Macas-Perez , T. Maciaszek , C. J. MacTavish , B. Maei , N. Mandolesi , R. Mann , B. Mansoux , S. Masi , T. Matsumura , P. McGehee , J. -B. Melin , C. Mercier , M. -A. Miville-Deschnes , A. Moneti , L. Montier , D. Mortlock , A. Murphy , F. Nati , C. B. Nettereld , H. U. Norgaard-Nielsen , C. North , F. Noviello , D. Novikov , S. Osborne , C. Paine , F. Pajot , G. Patanchon , T. Peacocke , T. J. Pearson , O. Perdereau , L. Perotto , F. Piacentini , M. Piat , S. Plaszczynski , E. Pointecouteau , R. Pons , N. Ponthieu , G. Prezeau , S. Prunet , J. -L. Puget , W. T. Reach , C. Renault , I. Ristorcelli , G. Rocha , C. Rosset , G. Roudier , M. Rowan-Robinson , B. Rusholme , D. Santos , G. Savini , B. M. Schaefer , P. Shellard , L. Spencer , J. -L. Starck , P. Stassi , V. Stolyarov , R. Stompor , R. Sudiwala , R. Sunyaev , J. -F. Sygnet , J. A. Tauber , C. Thum , J. -P. Torre , F. Touze , M. Tristram , F. Van Leeuwen , L. Vibert , D. Vibert , L. A. Wade , B. D. Wandelt , S. D. M. White , H. Wiesemeyer , A. Woodcraft , V. Yurchenko , D. Yvon , A. Zacchei

B-Machine Polarimeter: A Telescope to Measure the Polarization of the Cosmic Microwave Background

The B-Machine Telescope is the culmination of several years of development, construction, characterization and observation. The telescope is a departure from standard polarization chopping of correlation receivers to a half wave plate…

Instrumentation and Methods for Astrophysics · Physics 2013-11-11 Brian D. Williams

Characterization, deployment, and in-flight performance of the BLAST-TNG cryogenic receiver

The Next Generation Balloon-borne Large Aperture Submillimeter Telescope (BLAST-TNG) is a submillimeter polarimeter designed to map interstellar dust and galactic foregrounds at 250, 350, and 500 microns during a 24-day Antarctic flight.…

Instrumentation and Methods for Astrophysics · Physics 2021-01-13 Ian Lowe , Peter A. R. Ade , Peter C. Ashton , Jason E. Austermann , Gabriele Coppi , Erin G. Cox , Mark J. Devlin , Bradley J. Dober , Valentina Fanfani , Laura M. Fissel , Nicholas Galitzki , Jiansong Gao , Samuel Gordon , Christopher E. Groppi , Gene C. Hilton , Johannes Hubmayr , Jeffrey Klein , Dale Li , Nathan P. Lourie , Hamdi Mani , Philip Mauskopf , Christopher McKenney , Federico Nati , Giles Novak , Giampaolo Pisano , L. Javier Romualdez , Juan D. Soler , Adrian Sinclair , Carole Tucker , Joel Ullom , Michael Vissers , Caleb Wheeler , Paul A. Williams

Receiver development for BICEP Array, a next-generation CMB polarimeter at the South Pole

A detection of curl-type ($B$-mode) polarization of the primary CMB would be direct evidence for the inflationary paradigm of the origin of the Universe. The BICEP/Keck Array (BK) program targets the degree angular scales, where the power…

Instrumentation and Methods for Astrophysics · Physics 2020-12-09 L. Moncelsi , P. A. R. Ade , Z. Ahmed , M. Amiri , D. Barkats , R. Basu Thakur , C. A. Bischoff , J. J. Bock , V. Buza , J. Cheshire , J. Connors , J. Cornelison , M. Crumrine , A. Cukierman , E. V. Denison , M. Dierickx , L. Duband , M. Eiben , S. Fatigoni , J. P. Filippini , N. Goeckner-Wald , D. C. Goldfinger , J. Grayson , P. Grimes , G. Hall , M. Halpern , S. Harrison , S. Henderson , S. R. Hildebrandt , G. C. Hilton , J. Hubmayr , H. Hui , K. D. Irwin , J. Kang , K. S. Karkare , S. Kefeli , J. M. Kovac , C. L. Kuo , K. Lau , E. M. Leitch , K. G. Megerian , L. Minutolo , Y. Nakato , T. Namikawa , H. T. Nguyen , R. O'Brient , S. Palladino , N. Precup , T. Prouve , C. Pryke , B. Racine , C. D. Reintsema , A. Schillaci , B. L. Schmitt , A. Soliman , T. St. Germaine , B. Steinbach , R. V. Sudiwala , K. L. Thompson , C. Tucker , A. D. Turner , C. Umiltà , 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 , L. Zeng , C. Zhang , S. Zhang

The POLARBEAR-2 and the Simons Array Experiment

We present an overview of the design and status of the \Pb-2 and the Simons Array experiments. \Pb-2 is a Cosmic Microwave Background polarimetry experiment which aims to characterize the arc-minute angular scale B-mode signal from weak…

Instrumentation and Methods for Astrophysics · Physics 2016-02-17 A. Suzuki , 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 , M. Dobbs , A. Ducout , R. Dunner , T. Elleflot , J. Errard , G. Fabbian , S. Feeney , C. Feng , T. Fujino , G. Fuller , A. Gilbert , N. Goeckner-Wald , J. Groh , T. De Haan , G. Hall , N. Halverson , T. Hamada , M. Hasegawa , K. Hattori , M. Hazumi , C. Hill , W. Holzapfel , Y. Hori , L. Howe , Y. Inoue , F. Irie , G. Jaehnig , A. Jaffe , O. Jeong , N. Katayama , J. Kaufman , K. Kazemzadeh , B. Keating , Z. Kermish , R. Keskitalo , T. Kisner , A. Kusaka , M. Le Jeune , A. Lee , D. Leon , E. Linder , L. Lowry , F. Matsuda , T. Matsumura , N. Miller , K. Mizukami , J. Montgomery , M. Navaroli , H. Nishino , J. Peloton , D. Poletti , G. Rebeiz , C. Raum , C. Reichardt , P. Richards , C. Ross , K. Rotermund , Y. Segawa , B. Sherwin , I. Shirley , P. Siritanasak , N. Stebor , R. Stompor , J. Suzuki , O. Tajima , S. Takada , S. Takakura , S. Takatori , A. Tikhomirov , T. Tomaru , B. Westbrook , N. Whitehorn , T. Yamashita , A. Zahn , O. Zahn

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

A Measurement of the Largest-Scale CMB E-mode Polarization with CLASS

We present measurements of large-scale cosmic microwave background (CMB) E-mode polarization from the Cosmology Large Angular Scale Surveyor (CLASS) 90 GHz data. Using 115 det-yr of observations collected through 2024 with a variable-delay…

Cosmology and Nongalactic Astrophysics · Physics 2025-06-09 Yunyang Li , Joseph Eimer , John Appel , Charles Bennett , Michael Brewer , Sarah Marie Bruno , Ricardo Bustos , Carol Chan , David Chuss , Joseph Cleary , Sumit Dahal , Rahul Datta , Jullianna Denes Couto , Kevin Denis , Rolando Dunner , Thomas Essinger-Hileman , Kathleen Harrington , Kyle Helson , Johannes Hubmayr , Jeffrey Iuliano , John Karakla , Tobias Marriage , Nathan Miller , Carolina Morales Perez , Lucas Parker , Matthew Petroff , Rodrigo Reeves , Karwan Rostem , Caleigh Ryan , Rui Shi , Koji Shukawa , Deniz Valle , Duncan Watts , J. Weiland , Edward Wollack , Zhilei Xu , Lingzhen Zeng

Silicon-Based Antenna-Coupled Polarization-Sensitive Millimeter-Wave Bolometer Arrays for Cosmic Microwave Background Instruments

We describe feedhorn-coupled polarization-sensitive detector arrays that utilize monocrystalline silicon as the dielectric substrate material. Monocrystalline silicon has a low-loss tangent and repeatable dielectric constant,…

Instrumentation and Methods for Astrophysics · Physics 2017-01-18 Karwan Rostem , Aamir Ali , John W. Appel , Charles L. Bennett , Ari Brown , Meng-Ping Chang , David T. Chuss , Felipe A. Colazo , Nick Costen , Kevin L. Denis , Tom Essinger-Hileman , Ron Hu , Tobias A. Marriage , Samuel H. Moseley , Thomas R. Stevenson , Kongpop U-Yen , Edward J. Wollack , Zhilei Xu