Search Results - "Ghigna, T"
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Modeling TES Nonlinearity Induced by a Rotating HWP in a CMB Polarimeter
Published in Journal of low temperature physics (01-06-2023)“…Most upcoming CMB experiments are planning to deploy between a few thousand and a few hundred thousand TES bolometers in order to drastically increase…”
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Vibration Characteristics of a Continuously Rotating Superconducting Magnetic Bearing and Potential Influence to TES and SQUID
Published in Journal of low temperature physics (01-12-2022)“…We measured the vibration of a prototype superconducting magnetic bearing (SMB) operating at liquid nitrogen temperature. This prototype system was designed as…”
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Performance of a 200 mm Diameter Achromatic HWP with Laser-Ablated Sub-Wavelength Structures
Published in Journal of low temperature physics (01-06-2023)“…We laser-ablated sub-wavelength structures (SWS) on 200 mm diameter birefringent sapphire disks to produce broadband anti-reflection coating (ARC). The disks…”
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Design of a Testbed for the Study of System Interference in Space CMB Polarimetry
Published in Journal of low temperature physics (2020)“…LiteBIRD is a proposed JAXA satellite mission to measure the CMB B-mode polarization with unprecedented sensitivity ( σ r ∼ 0.001 ). To achieve this goal, 4676…”
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5
Design of a Testbed for the Study of System Interference in Space CMB Polarimetry
Published in Journal of low temperature physics (01-05-2020)Get full text
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Performance of a 200 mm Diameter Achromatic HWP with Laser-Ablated Sub-Wavelength Structures
Published in Journal of low temperature physics (14-12-2022)“…Not provided…”
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Progress Report on the Large-Scale Polarization Explorer
Published in Journal of low temperature physics (01-09-2020)“…The large-scale polarization explorer (LSPE) is a cosmology program for the measurement of large-scale curl-like features (B-modes) in the polarization of the…”
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Requirements on the gain calibration for LiteBIRD polarisation data with blind component separation
Published 04-11-2024“…Future cosmic microwave background (CMB) experiments are primarily targeting a detection of the primordial $B$-mode polarisation. The faintness of this signal…”
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Multi-dimensional optimisation of the scanning strategy for the LiteBIRD space mission
Published 06-08-2024“…Large angular scale surveys in the absence of atmosphere are essential for measuring the primordial $B$-mode power spectrum of the Cosmic Microwave Background…”
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LiteBIRD Science Goals and Forecasts. Mapping the Hot Gas in the Universe
Published 24-07-2024“…We assess the capabilities of the LiteBIRD mission to map the hot gas distribution in the Universe through the thermal Sunyaev-Zeldovich (SZ) effect. Our…”
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LiteBIRD Science Goals and Forecasts: Primordial Magnetic Fields
Published 25-03-2024“…We present detailed forecasts for the constraints on primordial magnetic fields (PMFs) that will be obtained with the LiteBIRD satellite. The constraints are…”
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Impact of beam far side-lobe knowledge in the presence of foregrounds for LiteBIRD
Published 14-12-2023“…We present a study of the impact of an uncertainty in the beam far side-lobe knowledge on the measurement of the Cosmic Microwave Background $B$-mode signal at…”
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LiteBIRD Science Goals and Forecasts: Improving Sensitivity to Inflationary Gravitational Waves with Multitracer Delensing
Published 08-12-2023“…We estimate the efficiency of mitigating the lensing $B$-mode polarization, the so-called delensing, for the $LiteBIRD$ experiment with multiple external data…”
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LiteBIRD Science Goals and Forecasts. A Case Study of the Origin of Primordial Gravitational Waves using Large-Scale CMB Polarization
Published 01-12-2023“…We study the possibility of using the $LiteBIRD$ satellite $B$-mode survey to constrain models of inflation producing specific features in CMB angular power…”
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Probing Cosmic Inflation with the LiteBIRD Cosmic Microwave Background Polarization Survey
Published 27-03-2023“…LiteBIRD, the Lite (Light) satellite for the study of B-mode polarization and Inflation from cosmic background Radiation Detection, is a space mission for…”
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Polarization angle requirements for CMB B-mode experiments. Application to the LiteBIRD satellite
Published 18-04-2022“…A methodology to provide the polarization angle requirements for different sets of detectors, at a given frequency of a CMB polarization experiment, is…”
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The large scale polarization explorer (LSPE) for CMB measurements: performance forecast
Published 09-08-2021“…Journal of Cosmology and Astroparticle Physics, Volume 2021, August 2021 [Abridged] The measurement of the polarization of the Cosmic Microwave Background…”
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Overview of the Medium and High Frequency Telescopes of the LiteBIRD satellite mission
Published 01-02-2021“…Proc. of SPIE Vol. 11443 14432G (2020) LiteBIRD is a JAXA-led Strategic Large-Class mission designed to search for the existence of the primordial…”
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LiteBIRD: JAXA's new strategic L-class mission for all-sky surveys of cosmic microwave background polarization
Published 29-01-2021“…Proc. of SPIE Vol. 11443 114432F (2020) LiteBIRD, the Lite (Light) satellite for the study of B-mode polarization and Inflation from cosmic background…”
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Concept Design of Low Frequency Telescope for CMB B-mode Polarization satellite LiteBIRD
Published 16-01-2021“…SPIE proceedings 1145310 (2020) LiteBIRD has been selected as JAXA's strategic large mission in the 2020s, to observe the cosmic microwave background (CMB)…”
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