14 citations · 46 across the 20 of their papers we have counts for
22 papers
The Simons Observatory: Design and Initial Performance of the Detector Readout System for the Large-Aperture Telescope
Thomas P. Satterthwaite, Tristan Pinsonneault-Marotte, Shawn W. Henderson +34
We present the design, implementation, and initial performance of a highly multiplexed cryogenic superconducting detector readout system in the context of its deployment to the Sim…
The Simons Observatory: Commissioning of the Mid-Frequency Small Aperture Telescopes
Kathleen Harrington, Remington Gerras, Nicholas Galitzki +88
The Simons Observatory (SO) is a cosmic microwave background (CMB) survey experiment observing from an altitude of 5,200 m in the Atacama Desert in Chile. The SO Small Aperture Tel…
BICEP/Keck XXII: Analysis of the South Pole Atmosphere for CMB Observations
P. A. R. Ade, Z. Ahmed, M. Amiri +92
The South Pole is among the driest sites on Earth, and the resulting high atmospheric transparency makes it an excellent site for millimeter-wave astronomical observations. Neverth…
SPT-3G+: A Cosmic Microwave Background Experiment for the South Pole Telescope
T. Natoli, Z. Ahmed, H. Athreya +72
SPT-3G+ is the next survey receiver planned to be installed in early 2029 on the 10-meter South Pole Telescope (SPT). This new receiver will feature 6,020 polarization-sensitive di…
BICEP/Keck XXI: Constraints on Early-Universe Parity Violation from Multipole-Dependent Birefringence
Keck Collaboration, P. A. R. Ade, Zeeshan Ahmed +94
We present the first constraints on multipole-dependent cosmic birefringence using CMB polarization data from the BK18 dataset, which combines observations from BICEP2, Keck Array,…
Thermal and Electrical Properties of Prototype Readout Components for CMB-S4
Wilber Dominguez, Darcy R. Barron, Zeeshan Ahmed +11
CMB-S4 is the fourth-generation ground-based cosmic microwave background project, designed to probe the early universe and cosmic inflation. CMB-S4 would achieve its science goals…
The Simons Observatory: Studies of Phase Drift in RF Transmission Lines from the First Large-Scale Deployment of Microwave Frequency Multiplexing for Cosmology
Thomas P. Satterthwaite, Zeeshan Ahmed, Cody J. Duell +4
Fulfilling the science goals of the Simons Observatory, a state-of-the-art cosmic microwave background (CMB) experiment, has required deploying tens of thousands of superconducting…
The Simons Observatory: Characterization of the 220/280 GHz TES Detector Modules
Daniel Dutcher, Peter Dow, Shannon M. Duff +11
The Simons Observatory (SO) is a new suite of cosmic microwave background telescopes in the Chilean Atacama Desert with an extensive science program spanning cosmology, Galactic an…
The Atacama Cosmology Telescope: DR6 Maps
Sigurd Naess, Yilun Guan, Adriaan J. Duivenvoorden +163
We present Atacama Cosmology Telescope (ACT) Data Release 6 (DR6) maps of the Cosmic Microwave Background temperature and polarization anisotropy at arcminute resolution over three…
The Atacama Cosmology Telescope: DR6 Constraints on Extended Cosmological Models
Erminia Calabrese, J. Colin Hill, Hidde T. Jense +169
We use new cosmic microwave background (CMB) primary temperature and polarization anisotropy measurements from the Atacama Cosmology Telescope (ACT) Data Release 6 (DR6) to test fo…
The Atacama Cosmology Telescope: DR6 Power Spectra, Likelihoods and CDM Parameters
Thibaut Louis, Adrien La Posta, Zachary Atkins +165
We present power spectra of the cosmic microwave background (CMB) anisotropy in temperature and polarization, measured from the Data Release 6 maps made from Atacama Cosmology Tele…
Simons Observatory: Characterization of the Large Aperture Telescope Receiver
Tanay Bhandarkar, Saianeesh K. Haridas, Jeff Iuliano +41
The Simons Observatory (SO) is a ground-based cosmic microwave background (CMB) survey experiment that currently consists of three 0.42m small-aperture telescopes (SATs) and one 6m…
The Simons Observatory: Design, Integration, and Current Status of Small Aperture Telescopes
Aashrita Mangu, Lance Corbett, Sanah Bhimani +14
The Simons Observatory (SO) is a cosmic microwave background (CMB) survey experiment located in the Atacama Desert in Chile at an elevation of 5200 meters, nominally consisting of…
The Simons Observatory: Dark Characterization of the Large Aperture Telescope
Saianeesh K. Haridas, Zeeshan Ahmed, Tanay Bhandarkar +20
The Simons Observatory (SO) is a cosmic microwave background experiment composed of three 0.42 m Small Aperture Telescopes (SATs) and one 6 m Large Aperture Telescope (LAT) in the…
The Precursor Small Aperture Telescope (PreSAT) CMB polarimeter
Matthew A. Petroff, Zeeshan Ahmed, James J. Bock +14
The search for the polarized imprint of primordial gravitational waves in the cosmic microwave background (CMB) as direct evidence of cosmic inflation requires exquisite sensitivit…
Development of RFSoC-based direct sampling highly multiplexed microwave SQUID readout for future CMB and submillimeter surveys
Chao Liu, Zeeshan Ahmed, Shawn W. Henderson +3
The SLAC Microresonator Radio Frequency (SMuRF) electronics is being deployed as the readout for the Cosmic Microwave Background (CMB) telescopes of the Simons Observatory (SO). A…
The Simons Observatory: Studies of Detector Yield and Readout Noise From the First Large-Scale Deployment of Microwave Multiplexing at the Large Aperture Telescope
Thomas P. Satterthwaite, Zeeshan Ahmed, Kyuyoung Bae +21
The Simons Observatory is a new ground-based cosmic microwave background experiment, which is currently being commissioned in Chile's Atacama Desert. During its survey, the observa…
The Simons Observatory: Design, integration, and testing of the small aperture telescopes
Nicholas Galitzki, Tran Tsan, Jake Spisak +77
The Simons Observatory (SO) is a cosmic microwave background (CMB) survey experiment that includes small-aperture telescopes (SATs) observing from an altitude of 5,200 m in the Ata…
Improved Polarization Calibration of the BICEP3 CMB Polarimeter at the South Pole
J. Cornelison, C. Vergès, P. A. R. Ade +83
The BICEP3 Polarimeter is a small aperture, refracting telescope, dedicated to the observation of the Cosmic Microwave Background (CMB) at 95GHz. It is designed to target degree an…
Conceptual Design of the Modular Detector and Readout System for the CMB-S4 survey experiment
D. R. Barron, Z. Ahmed, J. Aguilar +47
We present the conceptual design of the modular detector and readout system for the Cosmic Microwave Background Stage 4 (CMB-S4) ground-based survey experiment. CMB-S4 will map the…
Analysis of Temperature-to-Polarization Leakage in BICEP3 and Keck CMB Data from 2016 to 2018
Keck Collaboration, T. St. Germaine, P. A. R. Ade +85
The BICEP/Keck Array experiment is a series of small-aperture refracting telescopes observing degree-scale Cosmic Microwave Background polarization from the South Pole in search of…
Mechanical design and development of TES bolometer detector arrays for the Advanced ACTPol experiment
Jonathan T. Ward, Jason Austermann, James A. Beall +27
The next generation Advanced ACTPol (AdvACT) experiment is currently underway and will consist of four Transition Edge Sensor (TES) bolometer arrays, with three operating together,…