Search Results - "O'brient, R"
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Design and Performance of SuperSpec: An On-Chip, KID-Based, mm-Wavelength Spectrometer
Published in Journal of low temperature physics (01-09-2014)“…SuperSpec is an ultra-compact spectrometer-on-a-chip for mm and submm wavelength astronomy. Its very small size, wide spectral bandwidth, and highly…”
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2
Optical Measurements of SuperSpec: A Millimeter-Wave On-Chip Spectrometer
Published in Journal of low temperature physics (01-09-2014)“…SuperSpec is a novel on-chip spectrometer we are developing for (sub)millimeter wavelength astronomy. Our approach utilizes a filterbank of moderate resolution…”
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Characterization and Fabrication of the TES Arrays for the Spider, Keck and BICEP2 CMB Polarimeters
Published in Journal of low temperature physics (01-05-2012)“…Spider, the Keck Array, and BICEP2 are projects to study the polarization of the cosmic microwave background (CMB). All three use large format arrays of…”
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BICEP2/KECK ARRAY V: MEASUREMENTS OF B-MODE POLARIZATION AT DEGREE ANGULAR SCALES AND 150 GHz BY THE KECK ARRAY
Published in The Astrophysical journal (29-09-2015)“…ABSTRACT The Keck Array is a system of cosmic microwave background polarimeters, each similar to the Bicep2 experiment. In this paper we report results from…”
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ANTENNA-COUPLED TES BOLOMETERS USED IN BICEP2, Keck Array, AND SPIDER
Published in The Astrophysical journal (20-10-2015)“…ABSTRACT We have developed antenna-coupled transition-edge sensor bolometers for a wide range of cosmic microwave background (CMB) polarimetry experiments,…”
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6
Thermal Kinetic Inductance Detectors for Ground-Based Millimeter-Wave Cosmology
Published in Journal of low temperature physics (01-11-2018)“…We show measurements of thermal kinetic inductance detectors (TKIDs) intended for millimeter-wave cosmology in the 200–300 GHz atmospheric window. The TKID is…”
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Bicep2. III. INSTRUMENTAL SYSTEMATICS
Published in The Astrophysical journal (01-12-2015)“…ABSTRACT In a companion paper, we have reported a >5 detection of degree scale B-mode polarization at 150 GHz by the Bicep2 experiment. Here we provide a…”
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Multi-Chroic Dual-Polarization Bolometric Detectors for Studies of the Cosmic Microwave Background
Published in Journal of low temperature physics (01-09-2014)“…We are developing multi-chroic antenna-coupled Transition Edge Sensor (TES) bolometer detectors for Cosmic Microwave Background (CMB) polarimetry. Multi-chroic…”
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9
Design and Performance of the First BICEP Array Receiver
Published in Journal of low temperature physics (01-05-2020)“…Branches of cosmic inflationary models, such as slow-roll inflation, predict a background of primordial gravitational waves that imprints a unique odd-parity…”
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The XFaster Power Spectrum and Likelihood Estimator for the Analysis of Cosmic Microwave Background Maps
Published in The Astrophysical journal (01-12-2021)“…Abstract We present the XFaster analysis package, a fast, iterative angular power spectrum estimator based on a diagonal approximation to the quadratic Fisher…”
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Initial Performance of Bicep3: A Degree Angular Scale 95 GHz Band Polarimeter
Published in Journal of low temperature physics (01-08-2016)“…Bicep3 is a 550-mm aperture telescope with cold, on-axis, refractive optics designed to observe at the 95-GHz band from the South Pole. It is the newest member…”
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bicep2/KECK ARRAY. IV. OPTICAL CHARACTERIZATION AND PERFORMANCE OF THE bicep2 AND KECK ARRAY EXPERIMENTS
Published in The Astrophysical journal (20-06-2015)“…ABSTRACT bicep2 and the Keck Array are polarization-sensitive microwave telescopes that observe the cosmic microwave background (CMB) from the South Pole at…”
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13
Plastic Laminate Antireflective Coatings for Millimeter-Wave Optics in BICEP Array
Published in Journal of low temperature physics (01-06-2023)“…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…”
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Optical Characterization of the Keck Array and BICEP3 CMB Polarimeters from 2016 to 2019
Published in Journal of low temperature physics (01-05-2020)“…The BICEP/ Keck experiment (BK) is a series of small-aperture refracting telescopes observing degree-scale cosmic microwave background (CMB) polarization from…”
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Characterizing the Sensitivity of 40 GHz TES Bolometers for BICEP Array
Published in Journal of low temperature physics (01-05-2020)“…The BICEP/Keck (BK) experiment aims to detect the imprint of primordial gravitational waves in the cosmic microwave background polarization, which would be…”
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Low Noise Titanium Nitride KIDs for SuperSpec: A Millimeter-Wave On-Chip Spectrometer
Published in Journal of low temperature physics (01-07-2016)“…SuperSpec is a novel on-chip spectrometer we are developing for multi-object, moderate resolution ( R = 100–500), large bandwidth ( ∼ 1.65 : 1 ), submillimeter…”
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BICEP2/KECK ARRAY. VII. MATRIX BASED E/B SEPARATION APPLIED TO BICEP2 AND THE KECK ARRAY
Published in The Astrophysical journal (01-07-2016)“…ABSTRACT A linear polarization field on the sphere can be uniquely decomposed into an E-mode and a B-mode component. These two components are analytically…”
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Multi-chroic Dual-Polarization Bolometric Focal Plane for Studies of the Cosmic Microwave Background
Published in Journal of low temperature physics (01-06-2012)“…We are developing multi-chroic antenna-coupled Transition Edge Sensor (TES) focal planes for Cosmic Microwave Background (CMB) polarimetry. In each pixel, a…”
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Optical Design and Characterization of 40-GHz Detector and Module for the BICEP Array
Published in Journal of low temperature physics (01-05-2020)“…Families of cosmic inflation models predict a primordial gravitational-wave background that imprints B-mode polarization pattern in the cosmic microwave…”
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Antenna-coupled bolometers for millimeter waves
Published in IEEE transactions on applied superconductivity (01-06-2005)“…We report on the development of antenna-coupled bolometers using Transition-Edge Sensors (TES) for millimeter waves. Our design uses a double-slot dipole…”
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