Related papers: Antenna-coupled TES bolometers used in BICEP2, Kec…

Results and Limits of Time Division Multiplexing for the BICEP Array High Frequency Receivers

Time-Division Multiplexing is the readout architecture of choice for many ground and space experiments, as it is a very mature technology with proven outstanding low-frequency noise stability, which represents a central challenge in…

Instrumentation and Methods for Astrophysics · Physics 2024-04-26 S. Fatigoni , P. A. R. Ade , Z. Ahmed , M. Amiri , D. Barkats , R. Basu Thakur , C. A. Bischoff , D. Beck , J. J. Bock , V. Buza , J. Cheshire , J. Connors , J. Cornelison , M. Crumrine , A. J. Cukierman , E. V. Denison , M. I. Dierickx , L. Duband , M. Eiben , 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. A. Harrison , S. Handerson , S. R. Hildebrandt , G. C. Hilton , J. Hubmayr , H. Hui , K. D. Irwin , J. H. Kang , K. S. Karkare , S. Kefeli , J. M. Kovac , C. L. Kuo , K. Lau , A. Lennox , T. Liu , K. G. Megerian , O. Y. Miller , L. Minutolo , L. Moncelsi , Y. Nakato , H. T. Nguyen , R. O Brient , S. Palladino , M. A. Petroff , A. Polish , T. Prouve , C. Pryke , B. Racine , 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. Tsai , C. Tucker , A. D. Turner , C. Umiltà , C. Vèrges , A. Wandui , A. C. Weber , D. V. Wiebe , J. Willmert , W. L. K. Wu , E. Yang , E. Young , C. Yu , L. Zeng , C. Zhang , S. Zhang

The Simons Observatory: Production-level Fabrication of the Mid- and Ultra-High-Frequency Wafers

The Simons Observatory (SO) is a cosmic microwave background instrumentation suite in the Atacama Desert of Chile. More than 65,000 polarization-sensitive transition-edge sensor (TES) bolometers will be fielded in the frequency range…

Instrumentation and Methods for Astrophysics · Physics 2024-03-28 Shannon M. Duff , Jason Austermann , James A. Beall , David P. Daniel , Johannes Hubmayr , Greg C. Jaehnig , Bradley R. Johnson , Dante Jones , Michael J. Link , Tammy J. Lucas , Rita F. Sonka , Suzanne T. Staggs , Joel Ullom , Yuhan Wang

A Microwave SQUID Multiplexer Optimized for Bolometric Applications

A microwave SQUID multiplexer ($\mu$MUX) has been optimized for coupling to large arrays of superconducting transition-edge sensor (TES) bolometers. We present the scalable cryogenic multiplexer chip design in a 1820-channel multiplexer…

Instrumentation and Methods for Astrophysics · Physics 2021-02-24 B. Dober , Z. Ahmed , K. Arnold , D. T. Becker , D. A. Bennett , J. A. Connors , A. Cukierman , J. M. D'Ewart , S. M. Duff , J. E. Dusatko , J. C. Frisch , J. D. Gard , S. W. Henderson , R. Herbst , G. C. Hilton , J. Hubmayr , Y. Li , J. A. B. Mates , H. McCarrick , C. D Reintsema , M. Silva-Feaver , L. Ruckman , J. N. Ullom , L. R. Vale , D. D. Van Winkle , J. Vasquez , Y. Wang , E. Young , C. Yu , K. Zheng

Optical Characterization of the BICEP3 CMB Polarimeter at the South Pole

BICEP3 is a small-aperture refracting cosmic microwave background (CMB) telescope designed to make sensitive polarization maps in pursuit of a potential B-mode signal from inflationary gravitational waves. It is the latest in the BICEP/Keck…

Instrumentation and Methods for Astrophysics · Physics 2017-01-18 K. S. Karkare , P. A. R. Ade , Z. Ahmed , K. D. Alexander , M. Amiri , D. Barkats , S. J. Benton , C. A. Bischoff , J. J. Bock , H. Boenish , R. Bowens-Rubin , I. Buder , E. Bullock , V. Buza , J. Connors , J. P. Filippini , S. T. Fliescher , J. A. Grayson , M. Halpern , S. A. Harrison , G. C. Hilton , V. V. Hristov , H. Hui , K. D. Irwin , J. H. Kang , E. Karpel , S. Kefeli , S. A. Kernasovskiy , J. M. Kovac , C. L. Kuo , E. M. Leitch , M. Lueker , K. G. Megerian , V. Monticue , T. Namikawa , C. B. Netterfield , H. T. Nguyen , R. O'Brient , R. W. Ogburn , C. Pryke , C. D. Reintsema , S. Richter , M. T. St. Germaine , R. Schwarz , C. D. Sheehy , Z. K. Staniszewski , B. Steinbach , G. P. Teply , K. L. Thompson , J. E. Tolan , C. Tucker , A. D. Turner , A. G. Vieregg , A. Wandui , A. Weber , J. Willmert , C. L. Wong , W. L. K. Wu , K. W. Yoon

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

Weak-Link Phenomena in AC-Biased Transition Edge Sensors

It has been recently demonstrated that superconducting transition edge sensors (TESs) behave as weak-links due to longitudinally induced superconductivity from the leads with higher Tc. In this work we study the implication of this…

Superconductivity · Physics 2016-04-05 Luciano Gottardi , Hiroki Akamatsu , Marcel Bruijn , Jan-R. Gao , Roland den Hartog , Richard Hijmering , Henk Hoevers , Pourya Khosropanah , Alex Kozorezov , Jan van der Kuur , Anton van der Linden , Marcel Ridder

Scalable background-limited polarization-sensitive detectors for mm-wave applications

We report on the status and development of polarization-sensitive detectors for millimeter-wave applications. The detectors are fabricated on single-crystal silicon, which functions as a low-loss dielectric substrate for the microwave…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 Karwan Rostem , Aamir Ali , John W. Appel , Charles L. Bennett , David T. Chuss , Felipe A. Colazo , Erik Crowe , Kevin L. Denis , Tom Essinger-Hileman , Tobias A. Marriage , Samuel H. Moseley , Thomas R. Stevenson , Deborah W. Towner , Kongpop U-Yen , Edward J. Wollack

Frequency Multiplexed SQUID Readout of Large Bolometer Arrays for Cosmic Microwave Background Measurements

A technological milestone for experiments employing Transition Edge Sensor (TES) bolometers operating at sub-kelvin temperature is the deployment of detector arrays with 100s--1000s of bolometers. One key technology for such arrays is…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 M. A. Dobbs , M. Lueker , K. A. Aird , A. N. Bender , B. A. Benson , L. E. Bleem , J. E. Carlstrom , C. L. Chang , H. -M. Cho , J. Clarke , T. M. Crawford , A. T. Crites , D. I. Flanigan , T. de Haan , E. M. George , N. W. Halverson , W. L. Holzapfel , J. D. Hrubes , B. R. Johnson , J. Joseph , R. Keisler , J. Kennedy , Z. Kermish , T. M. Lanting , A. T. Lee , E. M. Leitch , D. Luong-Van , J. J. McMahon , J. Mehl , S. S. Meyer , T. E. Montroy , S. Padin , T. Plagge , C. Pryke , P. L. Richards , J. E. Ruhl , K. K. Schaffer , D. Schwan , E. Shirokoff , H. G. Spieler , Z. Staniszewski , A. A. Stark , K. Vanderlinde , J. D. Vieira , C. Vu , B. Westbrook , R. Williamson

Quasioptical qualification of parallel/series arrays of cold-electron bolometers with a cross-slot antenna

We perform experimental and theoretical study of the parallel-series arrays of Cold-Electron Bolometers (CEBs) integrated into a cross-slot antenna and composed with an immersion silicon lens. The purpose is to determine the absorption…

Instrumentation and Detectors · Physics 2015-10-23 A. S. Mukhin , A. V. Gordeeva , L. S. Revin , A. E. Abashin , A. A. Shishov , A. L. Pankratov , S. Mahashabde , L. S. Kuzmin

SPIDER: Probing the Early Universe with a Suborbital Polarimeter

We evaluate the ability of SPIDER, a balloon-borne polarimeter, to detect a divergence-free polarization pattern ("B-modes") in the Cosmic Microwave Background (CMB). In the inflationary scenario, the amplitude of this signal is…

Cosmology and Nongalactic Astrophysics · Physics 2013-05-06 A. A. Fraisse , P. A. R. Ade , M. Amiri , S. J. Benton , J. J. Bock , J. R. Bond , J. A. Bonetti , S. Bryan , B. Burger , H. C. Chiang , C. N. Clark , C. R. Contaldi , B. P. Crill , G. Davis , O. Doré , M. Farhang , J. P. Filippini , L. M. Fissel , N. N. Gandilo , S. Golwala , J. E. Gudmundsson , M. Hasselfield , G. Hilton , W. Holmes , V. V. Hristov , K. Irwin , W. C. Jones , C. L. Kuo , C. J. MacTavish , P. V. Mason , T. E. Montroy , T. A. Morford , C. B. Netterfield , D. T. O'Dea , A. S. Rahlin , C. Reintsema , J. E. Ruhl , M. C. Runyan , M. A. Schenker , J. A. Shariff , J. D. Soler , A. Trangsrud , C. Tucker , R. S. Tucker , A. D. Turner , D. Wiebe

TES imaging array technology for CLOVER

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.…

Astrophysics · Physics 2016-08-26 Michael D. Audley , Robert W. Barker , Michael Crane , Roger Dace , Dorota Glowacka , David J. Goldie , Anthony N. Lasenby , Howard M. Stevenson , Vassilka Tsaneva , Stafford Withington , Paul Grimes , Bradley Johnson , Ghassan Yassin , Lucio Piccirillo , Giampaolo Pisano , William D. Duncan , Gene C. Hilton , Kent D. Irwin , Carl D. Reintsema , Mark Halpern

BICEP Array: a multi-frequency degree-scale CMB polarimeter

BICEP Array is the newest multi-frequency instrument in the BICEP/Keck Array program. It is comprised of four 550 mm aperture refractive telescopes observing the polarization of the cosmic microwave background (CMB) at 30/40, 95, 150 and…

Instrumentation and Methods for Astrophysics · Physics 2018-08-03 Howard Hui , 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 , J. Cornelison , B. P. Crill , M. Crumrine , 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 , 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 , C. B. Netterfield , H. T. Nguyen , R. OBrient , 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 , E. Yang , K. W. Yoon , C. Zhang

SPIDER: a balloon-borne CMB polarimeter for large angular scales

We describe SPIDER, a balloon-borne instrument to map the polarization of the millimeter-wave sky with degree angular resolution. Spider consists of six monochromatic refracting telescopes, each illuminating a focal plane of large-format…

Cosmology and Nongalactic Astrophysics · Physics 2011-06-13 J. P. Filippini , P. A. R. Ade , M. Amiri , S. J. Benton , R. Bihary , J. J. Bock , J. R. Bond , J. A. Bonetti , S. A. Bryan , B. Burger , H. C. Chiang , C. R. Contaldi , B. P. Crill , O. Doré , M. Farhang , L. M. Fissel , N. N. Gandilo , S. R. Golwala , J. E. Gudmundsson , M. Halpern , M. Hasselfield , G. Hilton , W. Holmes , V. V. Hristov , K. D. Irwin , W. C. Jones , C. L. Kuo , C. J. MacTavish , P. V. Mason , T. E. Montroy , T. A. Morford , C. B. Netterfield , D. T. O'Dea , A. S. Rahlin , C. D. Reintsema , J. E. Ruhl , M. C. Runyan , M. A. Schenker , J. A. Shariff , J. D. Soler , A. Trangsrud , C. Tucker , R. S. Tucker , A. D. Turner

Recent Advances in Frequency-Multiplexed TES Readout: Vastly Reduced Parasitics and an Increase in Multiplexing Factor with sub-Kelvin SQUIDs

Cosmic microwave background (CMB) measurements are fundamentally limited by photon statistics. Therefore, ground-based CMB observatories have been increasing the number of detectors that are simultaneously observing the sky. Thanks to the…

Instrumentation and Methods for Astrophysics · Physics 2020-03-18 T. de Haan , A. Suzuki , S. T. P. Boyd , R. H. Cantor , A. Coerver , M. A. Dobbs , R. Hennings-Yeomans , W. L. Holzapfel , A. T. Lee , G. I. Noble , G. Smecher , J. Zhou

Prototype finline-coupled TES bolometers for CLOVER

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.…

Astrophysics · Physics 2007-05-23 Michael D. Audley , Robert W. Barker , Michael Crane , Roger Dace , Dorota Glowacka , David J. Goldie , Anthony N. Lasenby , Howard M. Stevenson , Vassilka Tsaneva , Stafford Withington , Paul Grimes , Bradley Johnson , Ghassan Yassin , Lucio Piccirillo , Giampaolo Pisano , William D. Duncan , Gene C. Hilton , Kent D. Irwin , Carl D. Reintsema , Mark Halpern

Development of hafnium-based transition edge sensor bolometers for cosmic microwave background polarimetry experiments

Next generation cosmic microwave background (CMB) polarimetry experiments aim to deploy order 500,000 detectors, requiring repeatable and reliable fabrication process with stable and uniform transition edge sensor (TES) bolometer…

Instrumentation and Detectors · Physics 2024-10-10 K. M. Rotermund , X. Li , R. Carney , D. Yohannes , R. Cantor , J. Vivalda , A. Chambal-Jacobs , A. Suzuki

The Simons Observatory microwave SQUID multiplexing detector module design

Advances in cosmic microwave background (CMB) science depend on increasing the number of sensitive detectors observing the sky. New instruments deploy large arrays of superconducting transition-edge sensor (TES) bolometers tiled densely…

Instrumentation and Methods for Astrophysics · Physics 2021-12-03 Heather McCarrick , Erin Healy , Zeeshan Ahmed , Kam Arnold , Zachary Atkins , Jason E. Austermann , Tanay Bhandarkar , Jim A. Beall , Sarah Marie Bruno , Steve K. Choi , Jake Connors , Nicholas F. Cothard , Kevin D. Crowley , Simon Dicker , Bradley Dober , Cody J. Duell , Shannon M. Duff , Daniel Dutcher , Josef C. Frisch , Nicholas Galitzki , Megan B. Gralla , Jon E. Gudmundsson , Shawn W. Henderson , Gene C. Hilton , Shuay-Pwu Patty Ho , Zachary B. Huber , Johannes Hubmayr , Jeffrey Iuliano , Bradley R. Johnson , Anna M. Kofman , Akito Kusaka , Jack Lashner , Adrian T. Lee , Yaqiong Li , Michael J. Link , Tammy J. Lucas , Marius Lungu , J. A. B. Mates , Jeffrey J. McMahon , Michael D. Niemack , John Orlowski-Scherer , Joseph Seibert , Maximiliano Silva-Feaver , Sara M. Simon , Suzanne Staggs , Aritoki Suzuki , Tomoki Terasaki , Joel N. Ullom , Eve M. Vavagiakis , Leila R. Vale , Jeff Van Lanen , Michael R. Vissers , Yuhan Wang , Edward J. Wollack , Zhilei Xu , Edward Young , Cyndia Yu , Kaiwen Zheng , Ningfeng Zhu

BICEP2 / Keck Array XI: Beam Characterization and Temperature-to-Polarization Leakage in the BK15 Dataset

Precision measurements of cosmic microwave background (CMB) polarization require extreme control of instrumental systematics. In a companion paper we have presented cosmological constraints from observations with the BICEP2 and Keck Array…

Instrumentation and Methods for Astrophysics · Physics 2021-01-07 Keck Array , BICEP2 Collaborations , : , P. A. R. Ade , Z. Ahmed , R. W. Aikin , 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 , J. Cornelison , B. P. Crill , M. Crumrine , M. Dierickx , L. Duband , 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 , N. A. Larsen , K. Lau , E. M. Leitch , M. Lueker , K. G. Megerian , L. Moncelsi , T. Namikawa , C. B. Netterfield , H. T. Nguyen , R. O'Brient , R. W. Ogburn , S. Palladino , C. Pryke , B. Racine , S. Richter , A. Schillaci , R. Schwarz , 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

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

Hierarchical sinuous phased array for increased mapping speed of multichroic focal planes

We present the design, fabrication and measured performance of a hierarchical sinuous-antenna phased array coupled to transition-edge-sensor (TES) bolometers for measurements of the cosmic microwave background (CMB). To efficiently cover a…

Instrumentation and Methods for Astrophysics · Physics 2017-11-08 Ari Cukierman , Adrian T. Lee , Christopher Raum , Aritoki Suzuki , Benjamin Westbrook