M. Dierickx
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View article: Calibration Measurements of the BICEP3 and BICEP Array CMB Polarimeters from 2017 to 2024
Calibration Measurements of the BICEP3 and BICEP Array CMB Polarimeters from 2017 to 2024 Open
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 inf…
View article: Development of the 220/270 GHz Receiver of BICEP Array
Development of the 220/270 GHz Receiver of BICEP Array Open
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 Galac…
View article: Multi-layer anti-reflection coats using ePTFE membrane for mm-wavelength plastic optics
Multi-layer anti-reflection coats using ePTFE membrane for mm-wavelength plastic optics Open
Future millimeter wavelength experiments aim to both increase aperture diameters and broaden bandwidths to increase the sensitivity of the receivers. These changes produce a challenging anti-reflection (AR) design problem for refracting an…
View article: The Precursor Small Aperture Telescope (PreSAT) CMB polarimeter
The Precursor Small Aperture Telescope (PreSAT) CMB polarimeter Open
The search for the polarized imprint of primordial gravitational waves in the cosmic microwave background (CMB) as direct evidence of cosmic inflation requires exquisite sensitivity and control over systematics. The next-generation CMB-S4 …
View article: Proceedings of the 58th Rencontres de Moriond on Cosmology 2024
Proceedings of the 58th Rencontres de Moriond on Cosmology 2024 Open
The BICEP/$\textit{Keck}$ (BK) series of cosmic microwave background (CMB) polarization experiments has, over the past decade and a half, produced a series of field-leading constraints on cosmic inflation via measurements of the "B-mode" p…
View article: Results and Limits of Time Division Multiplexing for the BICEP Array High Frequency Receivers
Results and Limits of Time Division Multiplexing for the BICEP Array High Frequency Receivers Open
Time-Division Multiplexing is the readout architecture of choice for many groundand space experiments, as it is a very mature technology with proven outstandinglow-frequency noise stability, which represents a central challenge in multiple…
View article: BICEP/Keck. XVII. Line-of-sight Distortion Analysis: Estimates of Gravitational Lensing, Anisotropic Cosmic Birefringence, Patchy Reionization, and Systematic Errors
BICEP/Keck. XVII. Line-of-sight Distortion Analysis: Estimates of Gravitational Lensing, Anisotropic Cosmic Birefringence, Patchy Reionization, and Systematic Errors Open
We present estimates of line-of-sight distortion fields derived from the 95 and 150 GHz data taken by BICEP2, BICEP3, and the Keck Array up to the 2018 observing season, leading to cosmological constraints and a study of instrumental and a…
View article: BICEP/Keck. XVI. Characterizing Dust Polarization through Correlations with Neutral Hydrogen
BICEP/Keck. XVI. Characterizing Dust Polarization through Correlations with Neutral Hydrogen Open
We characterize Galactic dust filaments by correlating BICEP/Keck and Planck data with polarization templates based on neutral hydrogen (H i ) observations. Dust polarization is important for both our understanding of astrophysical process…
View article: Laminate polyethylene window development for large aperture millimeter receivers
Laminate polyethylene window development for large aperture millimeter receivers Open
New experiments that target the B-mode polarization signals in the Cosmic Microwave Background require more sensitivity, more detectors, and thus larger-aperture millimeter-wavelength telescopes, than previous experiments. These larger ape…
View article: Improved Polarization Calibration of the BICEP3 CMB Polarimeter at the South Pole
Improved Polarization Calibration of the BICEP3 CMB Polarimeter at the South Pole Open
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 angular scale polarization patterns, in particular the very-m…
View article: Improved polarization calibration of the BICEP3 CMB polarimeter at the South Pole
Improved polarization calibration of the BICEP3 CMB polarimeter at the South Pole Open
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 angular scale polarization patterns, in particular the very-m…
View article: Thermal testing for cryogenic CMB instrument optical design
Thermal testing for cryogenic CMB instrument optical design Open
Observations of the Cosmic Microwave Background rely on cryogenic instrumentation with cold detectors, readout, and optics providing the low noise performance and instrumental stability required to make more sensitive measurements. It is t…
View article: Snowmass 2021 CMB-S4 White Paper
Snowmass 2021 CMB-S4 White Paper Open
This Snowmass 2021 White Paper describes the Cosmic Microwave Background Stage 4 project CMB-S4, which is designed to cross critical thresholds in our understanding of the origin and evolution of the Universe, from the highest energies at …
View article: Bicep/Keck XV: The Bicep3 Cosmic Microwave Background Polarimeter and the First Three-year Data Set
Bicep/Keck XV: The Bicep3 Cosmic Microwave Background Polarimeter and the First Three-year Data Set Open
We report on the design and performance of the B icep3 instrument and its first three-year data set collected from 2016 to 2018. B icep3 is a 52 cm aperture refracting telescope designed to observe the polarization of the cosmic microwave …
View article: CMB-S4: Forecasting Constraints on Primordial Gravitational Waves
CMB-S4: Forecasting Constraints on Primordial Gravitational Waves Open
CMB-S4—the next-generation ground-based cosmic microwave background (CMB) experiment—is set to significantly advance the sensitivity of CMB measurements and enhance our understanding of the origin and evolution of the universe. Among the s…
View article: Plastic Laminate Antireflective Coatings for Millimeter-wave Optics in BICEP Array
Plastic Laminate Antireflective Coatings for Millimeter-wave Optics in BICEP Array Open
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) telescope will improve the program's frequency coverage and…
View article: BICEP / Keck XV: The BICEP3 CMB Polarimeter and the First Three Year\n Data Set
BICEP / Keck XV: The BICEP3 CMB Polarimeter and the First Three Year\n Data Set Open
We report on the design and performance of the BICEP3 instrument and its\nfirst three-year data set collected from 2016 to 2018. BICEP3 is a 52cm\naperture, refracting telescope designed to observe the polarization of the\ncosmic microwave…
View article: A demonstration of improved constraints on primordial gravitational waves with delensing
A demonstration of improved constraints on primordial gravitational waves with delensing Open
We present a constraint on the tensor-to-scalar ratio, $r$, derived from measurements of cosmic microwave background (CMB) polarization $B$-modes with "delensing,'' whereby the uncertainty on $r$ contributed by the sample variance of the g…
View article: Analysis of Temperature-to-Polarization Leakage in BICEP3 and Keck CMB Data from 2016 to 2018
Analysis of Temperature-to-Polarization Leakage in BICEP3 and Keck CMB Data from 2016 to 2018 Open
The BICEP/Keck Array experiment is a series of small-aperture refracting\ntelescopes observing degree-scale Cosmic Microwave Background polarization from\nthe South Pole in search of a primordial $B$-mode signature. As a pair\ndifferencing…
View article: Polarization calibration of the BICEP3 CMB polarimeter at the South Pole
Polarization calibration of the BICEP3 CMB polarimeter at the South Pole Open
International audience
View article: Receiver development for BICEP Array, a next-generation CMB polarimeter at the South Pole
Receiver development for BICEP Array, a next-generation CMB polarimeter at the South Pole Open
A detection of curl-type ($B$-mode) polarization of the primary CMB would be\ndirect evidence for the inflationary paradigm of the origin of the Universe.\nThe BICEP/Keck Array (BK) program targets the degree angular scales, where the\npow…
View article: Polarization Calibration of the BICEP3 CMB polarimeter at the South Pole
Polarization Calibration of the BICEP3 CMB polarimeter at the South Pole Open
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 gravitational waves in the Cosmic Microwave Background (CMB). T…
View article: Receiver development for BICEP Array, a next-generation CMB polarimeter at the South Pole
Receiver development for BICEP Array, a next-generation CMB polarimeter at the South Pole Open
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 …
View article: BICEP2/Keck Array XI: Beam Characterization and Temperature-to-Polarization Leakage in the BK15 Data Set
BICEP2/Keck Array XI: Beam Characterization and Temperature-to-Polarization Leakage in the BK15 Data Set Open
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 …
View article: BICEP Array cryostat and mount design
BICEP Array cryostat and mount design Open
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 Bic…