activity
20152026
most citedBICEP / Keck XIII: Improved Constraints on Primordial Gravitational Waves using Planck, WMAP, and BICEP/Keck Observations through the 2018 Observing Season

967 citations · 2.4k across the 40 of their papers we have counts for

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Showing astro-ph.IMShow all

26 papers · 1 filter

astro-ph.IM2025

Improved Absolute Polarization Calibrator for BICEP CMB Polarimeters

A. R. Polish, P. A. R. Ade, Z. Ahmed +89

Cosmic birefringence is a hypothesized parity violation in electromagnetism that predicts a frequency-independent polarization rotation as light propagates. This would rotate the l…

astro-ph.IM2024

BICEP/Keck XIX: Extremely Thin Composite Polymer Vacuum Windows for BICEP and Other High Throughput Millimeter Wave Telescopes

Keck Collaboration, P. A. R. Ade, Z. Ahmed +90

Millimeter-wave refracting telescopes targeting the degree-scale structure of the cosmic microwave background (CMB) have recently grown to diffraction-limited apertures of over 0.5…

astro-ph.IM2024

Development of the 220/270 GHz Receiver of BICEP Array

Keck Collaboration, Y. Nakato, P. A. R. Ade +82

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 ach…

astro-ph.IM2023★ 7 cited

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

S. Fatigoni, P. A. R. Ade, Z. Ahmed +84

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 nois…

astro-ph.IM2022

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…

astro-ph.IM2022

Thermal Testing for Cryogenic CMB Instrument Optical Design

D. C. Goldfinger, P. A. R. Ade, Z. Ahmed +83

Observations of the Cosmic Microwave Background rely on cryogenic instrumentation with cold detectors, readout, and optics providing the low noise performance and instrumental stab…

astro-ph.IM2022

2022 Upgrade and Improved Low Frequency Camera Sensitivity for CMB Observation at the South Pole

A. Soliman, P. A. R. Ade, Z. Ahmed +83

Constraining the Galactic foregrounds with multi-frequency Cosmic Microwave Background (CMB) observations is an essential step towards ultimately reaching the sensitivity to measur…

astro-ph.IM2021

BICEP Array: 150 GHz detector module development

A. Schillaci, P. A. R. Ade, Z. Ahmed +81

The BICEP/Keck Collaboration is currently leading the quest to the highest sensitivity measurements of the polarized CMB anisotropies on degree scale with a series of cryogenic tel…

astro-ph.IM2021★ 3 cited

Plastic Laminate Antireflective Coatings for Millimeter-wave Optics in BICEP Array

Marion Dierickx, P. A. R. Ade, Zeeshan Ahmed +82

The BICEP/Keck series of experiments target the Cosmic Microwave Background at degree-scale resolution from the South Pole. Over the next few years, the "Stage-3" BICEP Array (BA)…

astro-ph.IM2021★ 2 cited

BICEP / Keck XV: The BICEP3 CMB Polarimeter and the First Three Year Data Set

Keck Collaboration, P. A. R. Ade, Z. Ahmed +89

We report on the design and performance of the BICEP3 instrument and its first three-year data set collected from 2016 to 2018. BICEP3 is a 52cm aperture, refracting telescope desi…

astro-ph.IM2020★ 4 cited

Polarization Calibration of the BICEP3 CMB polarimeter at the South Pole

J. Cornelison, P. A. R. Ade, Z. Ahmed +84

The BICEP3 CMB Polarimeter is a small-aperture refracting telescope located at the South Pole and is specifically designed to search for the possible signature of inflationary grav…

astro-ph.IM2020

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

L. Moncelsi, P. A. R. Ade, Z. Ahmed +72

A detection of curl-type (-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)…

astro-ph.IM2020★ 7 cited

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

A. Soliman, P. A. R. Ade, Z. Ahmed +66

Families of cosmic inflation models predict a primordial gravitational-wave background that imprints B-mode polarization pattern in the Cosmic Microwave Background (CMB). High sens…

astro-ph.IM2020★ 21 cited

Design and performance of the first BICEP Array receiver

A. Schillaci, P. A. R. Ade, Z. Ahmed +66

Branches of cosmic inflationary models, such as slow-roll inflation, predict a background of primordial gravitational waves that imprints a unique odd-parity B-mode pattern in the…

astro-ph.IM2020★ 7 cited

Characterizing the Sensitivity of 40 GHz TES Bolometers for BICEP Array

C. Zhang, P. A. R. Ade, Z. Ahmed +66

The BICEP/Keck (BK) experiment aims to detect the imprint of primordial gravitational waves in the Cosmic Microwave Background polarization, which would be direct evidence of the i…

astro-ph.IM2020★ 11 cited

Optical characterization of the Keck Array and BICEP3 CMB Polarimeters from 2016 to 2019

Keck Collaboration, T. St Germaine, P. A. R. Ade +71

The BICEP/Keck experiment (BK) is a series of small-aperture refracting telescopes observing degree-scale Cosmic Microwave Background (CMB) polarization from the South Pole in sear…

astro-ph.IM2019★ 22 cited

Microwave multiplexing on the Keck Array

Ari Cukierman, Zeeshan Ahmed, Shawn Henderson +82

We describe an on-sky demonstration of a microwave-multiplexing readout system in one of the receivers of the Keck Array, a polarimetry experiment observing the cosmic microwave ba…

astro-ph.IM2019★ 23 cited

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

Keck Array, BICEP2 Collaborations, : +76

Precision measurements of cosmic microwave background (CMB) polarization require extreme control of instrumental systematics. In a companion paper we have presented cosmological co…

astro-ph.IM2018★ 12 cited

Design and performance of wide-band corrugated walls for the BICEP Array detector modules at 30/40 GHz

A. Soliman, P. A. R. Ade, Z. Ahmed +75

BICEP Array is a degree-scale Cosmic Microwave Background (CMB) experiment that will search for primordial B-mode polarization while constraining Galactic foregrounds. BICEP Array…

astro-ph.IM2018★ 1 cited

Ultra-Thin Large-Aperture Vacuum Windows for Millimeter Wavelengths Receivers

Denis Barkats, Marion I. Dierickx, John M. Kovac +75

Targeting faint polarization patterns arising from Primordial Gravitational Waves in the Cosmic Microwave Background requires excellent observational sensitivity. Optical elements…

astro-ph.IM2018★ 1 cited

BICEP Array cryostat and mount design

M. Crumrine, P. A. R. Ade, Z. Ahmed +74

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…

astro-ph.IM2018★ 93 cited

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

Howard Hui, P. A. R. Ade, Z. Ahmed +75

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 th…

astro-ph.IM2018★ 26 cited

2017 upgrade and performance of BICEP3: a 95GHz refracting telescope for degree-scale CMB polarization

Jae Hwan Kang, P. A. R. Ade, Z. Ahmed +74

BICEP3 is a 520mm aperture on-axis refracting telescope observing the polarization of the cosmic microwave background (CMB) at 95GHz in search of the B-mode signal originating from…

astro-ph.IM2016★ 38 cited

POLARBEAR-2: an instrument for CMB polarization measurements

Y. Inoue, P. Ade, Y. Akiba +83

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…