Search Results - "Duband, L"
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Bicep2/KECK ARRAY VIII: MEASUREMENT OF GRAVITATIONAL LENSING FROM LARGE-SCALE B-MODE POLARIZATION
Published in The Astrophysical journal (20-12-2016)“…ABSTRACT We present measurements of polarization lensing using the 150 GHz maps, which include all data taken by the BICEP2 and Keck Array Cosmic Microwave…”
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Measurement of Cosmic Microwave Background Polarization Power Spectra from Two Years of BICEP Data
Published in The Astrophysical journal (10-03-2010)“…Background Imaging of Cosmic Extragalactic Polarization (BICEP) is a bolometric polarimeter designed to measure the inflationary B-mode polarization of the…”
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Self-calibration of BICEP1 three-year data and constraints on astrophysical polarization rotation
Published in Physical review. D, Particles, fields, gravitation, and cosmology (24-03-2014)Get full text
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BICEP Array: 150 GHz Detector Module Development
Published in Journal of low temperature physics (01-12-2023)“…The Background Imaging of Cosmic Extragalactic Polarization (BICEP)/Keck (BK) collaboration is currently leading the quest for the highest-sensitivity…”
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Microwave Multiplexing on the Keck Array
Published in Journal of low temperature physics (01-05-2020)“…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…”
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Results and Limits of Time-Division Multiplexing for the BICEP Array High-Frequency Receivers
Published in Journal of low temperature physics (2024)“…Time-division multiplexing is the readout architecture of choice for many ground and space experiments, as it is a very mature technology with proven…”
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SAFARI engineering model 50 mK cooler
Published in Cryogenics (Guildford) (01-11-2014)“…SAFARI is an infrared instrument developed by a European based consortium to be flown in SPICA, a Japanese led mission. The SAFARI detectors are transition…”
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Neon gas-gap heat switch
Published in Cryogenics (Guildford) (2008)“…A self-contained neon gas-gap heat switch featuring an internal charcoal adsorption pump has been developed and tested. This heat switch can be used with cold…”
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A Millimeter-wave Galactic Plane Survey with the BICEP Polarimeter
Published in The Astrophysical journal (10-11-2011)“…In order to study inflationary cosmology and the Milky Way Galaxy's composition and magnetic field structure, Stokes I, Q, and U maps of the Galactic plane…”
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SPICA/BLISS cryo-chain demonstrator
Published in Cryogenics (Guildford) (01-09-2015)“…•SPICA–BLISS cryochain.•Continuous sorption cooler at 300mK and coupling with an ADR very good duty cycle.•The interest of the cryochain presented here is the…”
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Herschel flight models sorption coolers
Published in Cryogenics (Guildford) (01-03-2008)“…The Herschel and Planck satellites will be jointly launched on an ARIANE 5 in 2008. The Herschel payload consists of three instruments built by international…”
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SPICA sub-Kelvin cryogenic chains
Published in Cryogenics (Guildford) (01-04-2012)“…SPICA, a Japanese led mission, is part of the JAXA future science program and is planned for launch in 2018. SPICA will perform imaging and spectroscopic…”
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Journal Article Conference Proceeding -
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Performances of the 50 mK ADR/sorption cooler
Published in Cryogenics (Guildford) (01-04-2012)“…CEA/SBT is currently testing a 50 mK cooler developed in the framework of a European Space Agency Technological Research Program targeted for the Advanced…”
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Conference Proceeding Journal Article -
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50 mK cooling solution with an ADR precooled by a sorption cooler
Published in Cryogenics (Guildford) (01-09-2010)“…CEA/SBT is currently developing a 2.5 K–50 mK cooling solution composed of a small demagnetization refrigerator (ADR) precooled by a sorption cooler,…”
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Journal Article Conference Proceeding -
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Characterization of the BICEP Telescope for High-precision Cosmic Microwave Background Polarimetry
Published in The Astrophysical journal (10-03-2010)“…The Background Imaging of Cosmic Extragalactic Polarization (BICEP) experiment was designed specifically to search for the signature of inflationary…”
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6 K solid state Energy Storage Unit
Published in Cryogenics (Guildford) (01-02-2010)“…A cryogen-free cold source for temperature below 6 K without mechanical, thermal and electromagnetic perturbations would be welcome in many sensitive…”
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SCIENTIFIC VERIFICATION OF FARADAY ROTATION MODULATORS: DETECTION OF DIFFUSE POLARIZED GALACTIC EMISSION
Published in The Astrophysical journal (01-03-2013)“…The design and performance of a wide bandwidth linear polarization modulator based on the Faraday effect is described. Faraday Rotation Modulators (FRMs) are…”
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20 K Energy storage unit
Published in Cryogenics (Guildford) (01-07-2009)“…A low temperature energy storage unit able to store 36 J between 11 K and 20 K is described. Thanks to an enthalpy reservoir connected to the cold finger of a…”
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Energy storage unit: Solid state demonstrators at 20 K and 6 K
Published in Cryogenics (Guildford) (01-09-2010)“…Cryocoolers’ vibrations prevent them from being used in some sensitive applications. Stopping the cryocooler even for a short period gives rise to a steep…”
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Journal Article Conference Proceeding -
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Design and prototyping of a large capacity high frequency pulse tube
Published in Cryogenics (Guildford) (01-09-2008)“…This document describes the design and the prototyping performed at CEA/SBT in partnership with AIR LIQUIDE of a high frequency large cooling power pulse tube…”
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