Search Results - "Goupy, J."
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Unveiling the Merger Dynamics of the Most Massive MaDCoWS Cluster at z = 1.2 from a Multiwavelength Mapping of Its Intracluster Medium Properties
Published in The Astrophysical journal (01-04-2020)“…The characterization of the Intracluster Medium (ICM) properties of high-redshift galaxy clusters is fundamental to our understanding of large-scale structure…”
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BULLKID: Monolithic array of particle absorbers sensed by kinetic inductance detectors
Published in Applied physics letters (21-11-2022)“…We introduce BULLKID, a phonon detector consisting of an array of dices acting as particle absorbers sensed by multiplexed Kinetic Inductance Detectors (KIDs)…”
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Increased multiplexing of superconducting microresonator arrays by post-characterization adaptation of the on-chip capacitors
Published in Applied physics letters (20-08-2018)“…We present an interdigitated capacitor trimming technique for fine-tuning the resonance frequency of superconducting microresonators and increasing the…”
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The NIKA2 Instrument, A Dual-Band Kilopixel KID Array for Millimetric Astronomy
Published in Journal of low temperature physics (01-08-2016)“…New IRAM KID array 2 (NIKA2) is a camera dedicated to millimeter-wave astronomy based upon kilopixel arrays of kinetic inductance detectors [ 1 ] (KID). The…”
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S-band pulsed-RF operating life test on AlGaN/GaN HEMT devices for radar application
Published in Microelectronics and reliability (01-09-2019)“…Reliability studies are fundamental to optimize the use of new emerging technologies such as AlGaN/GaN HEMTs. This paper reports a reliability study on two…”
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GASTON: Galactic Star Formation with NIKA2 – evidence for the mass growth of star-forming clumps
Published in Monthly notices of the Royal Astronomical Society (01-04-2021)“…ABSTRACT Determining the mechanism by which high-mass stars are formed is essential for our understanding of the energy budget and chemical evolution of…”
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CONCERTO at APEX: Installation and Technical Commissioning
Published in Journal of low temperature physics (01-12-2022)“…We describe the deployment and first tests on sky of CONCERTO, a large field-of-view (18.6 arc-min) spectral-imaging instrument. The instrument operates in the…”
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Improvement of Contact-Less KID Design Using Multilayered Al/Ti Material for Resonator
Published in Journal of low temperature physics (01-06-2023)“…The necessity to increase exposure in rare event search experiments by maintaining a low energy threshold and a good energy resolution leads to segmented…”
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Contact-less phonon detection with massive cryogenic absorbers
Published in Applied physics letters (25-11-2019)“…We have developed a contactless technique for the real time measurement of athermal (Cooper-pair breaking) phonons in an absorber held at subkelvin…”
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First demonstration of 30 eVee ionization energy resolution with Ricochet germanium cryogenic bolometers
Published in The European physical journal. C, Particles and fields (01-01-2024)“…The future Ricochet experiment aims to search for new physics in the electroweak sector by measuring the Coherent Elastic Neutrino-Nucleus Scattering process…”
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BULLKID: BULky and Low-Threshold Kinetic Inductance Detectors
Published in Journal of low temperature physics (01-05-2020)“…BULLKID is an R&D project on a cryogenic particle detector to search for rare low-energy processes such as low-mass dark matter and neutrino coherent…”
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Prototype High Angular Resolution LEKIDs for NIKA2
Published in Journal of low temperature physics (01-11-2018)“…The current resolution of the NIKA2 260 GHz arrays is limited by the 1.6 × 1.5 mm 2 inductor size on the individual pixels. In view of future updates of the…”
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A 450W GaN-Based Limiter for S-Band Applications
Published in 2023 IEEE/MTT-S International Microwave Symposium - IMS 2023 (11-06-2023)“…This paper describes the design and characterization of a compact robust two-stage MMIC GaN Power Limiter using Cold FETs and Schottky Diodes. The limiter…”
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Conference Proceeding -
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Configuration of Probe Tones for MKID Readout with Frequency Sweeping Scheme
Published in Journal of low temperature physics (01-11-2022)“…We are developing detector arrays using microwave kinetic inductance detectors (MKIDs) for astronomical observations in the 100-GHz band and a readout system…”
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NIKA2 observations of dust grain evolution from star-forming filament to T-Tauri disk: Preliminary results from NIKA2 observations of the Taurus B211/B213 filament
Published in EPJ Web of conferences (2024)“…To understand the evolution of dust properties in molecular clouds in the course of the star formation process, we constrain the changes in the dust emissivity…”
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Systematic effects on the upcoming NIKA2 LPSZ scaling relation
Published in EPJ Web of conferences (2024)“…In cluster cosmology, cluster masses are the main parameter of interest. They are needed to constrain cosmological parameters through the cluster number count…”
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Stellar and dust emission profiles of IMEGIN galaxies
Published in EPJ Web of conferences (2024)“…We present a morphological analysis of a set of spiral galaxies from the NIKA2 Guaranteed Time Large Program, IMEGIN. We have fitted a single Sérsic model on a…”
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NIKA2 observations of starless cores in Taurus and Perseus
Published in EPJ Web of conferences (2024)“…Dusty starless cores play an important role in regulating the initial phases of the formation of stars and planets. In their interiors, dust grains coagulate…”
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Towards the first mean pressure profile estimate with the NIKA2 Sunyaev-Zeldovich Large Program
Published in EPJ Web of conferences (2024)“…High-resolution mapping of the hot gas in galaxy clusters is a key tool for cluster-based cosmological analyses. Taking advantage of the NIKA2 millimeter…”
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Cryogenic Light Detectors for Background Suppression: The CALDER Project
Published in Journal of low temperature physics (01-09-2020)“…The CALDER project aims to realize cryogenic light detectors for the next generation of experiments searching for rare events. More in detail, the main…”
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Journal Article