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Polarimetry with permille-level precision is essential for future electron-positron linear colliders. Compton polarimeters can reach negligible statistical uncertainties within seconds of measurement time. The dominating systematic…

Instrumentation and Detectors · Physics 2016-02-17 Benedikt Vormwald , Jenny List , Annika Vauth

The launch of the Imaging X-ray Polarimetry Explorer (IXPE), the first space-based polarimeter since 1978, offers a two order of magnitude improvement to the measurement of X-ray polarisation than its predecessor OSO-8, offering…

High Energy Astrophysical Phenomena · Physics 2025-07-22 Melissa Ewing , Adam Ingram , John Rankin , Fabio Muleri

We present an analysis of the main systematic effects that could impact the measurement of CMB polarization with the proposed CORE space mission. We employ timeline-to-map simulations to verify that the CORE instrumental set-up and scanning…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-13 P. Natoli , M. Ashdown , R. Banerji , J. Borrill , A. Buzzelli , G. de Gasperis , J. Delabrouille , E. Hivon , D. Molinari , G. Patanchon , L. Polastri , M. Tomasi , F. R. Bouchet , S. Henrot-Versillé , D. T. Hoang , R. Keskitalo , K. Kiiveri , T. Kisner , V. Lindholm , D. McCarthy , F. Piacentini , O. Perdereau , G. Polenta , M. Tristram , A. Achucarro , P. Ade , R. Allison , C. Baccigalupi , M. Ballardini , A. J. Banday , J. Bartlett , N. Bartolo , S. Basak , J. Baselmans , D. Baumann , M. Bersanelli , A. Bonaldi , M. Bonato , F. Boulanger , T. Brinckmann , M. Bucher , C. Burigana , Z. -Y. Cai , M. Calvo , C. -S. Carvalho , G. Castellano , A. Challinor , J. Chluba , S. Clesse , I. Colantoni , A. Coppolecchia , M. Crook , G. D'Alessandro , P. de Bernardis , G. De Zotti , E. Di Valentino , J. -M. Diego , J. Errard , S. Feeney , R. Fernandez-Cobos , F. Finelli , F. Forastieri , S. Galli , R. Genova-Santos , M. Gerbino , J. Gonzalez-Nuevo , S. Grandis , J. Greenslade , A. Gruppuso , S. Hagstotz , S. Hanany , W. Handley , C. Hernandez-Monteagudo , C. Hervias-Caimapo , M. Hills , E. Keihänen , T. Kitching , M. Kunz , H. Kurki-Suonio , L. Lamagna , A. Lasenby , M. Lattanzi , J. Lesgourgues , A. Lewis , M. Liguori , M. López-Caniego , G. Luzzi , B. Maffei , N. Mandolesi , E. Martinez-Gonzalez , C. J. A. P. Martins , S. Masi , A. Melchiorri , J. -B. Melin , M. Migliaccio , A. Monfardini , M. Negrello , A. Notari , L. Pagano , A. Paiella , D. Paoletti , M. Piat , G. Pisano , A. Pollo , V. Poulin , M. Quartin , M. Remazeilles , M. Roman , G. Rossi , J. -A. Rubino-Martin , L. Salvati , G. Signorelli , A. Tartari , D. Tramonte , N. Trappe , T. Trombetti , C. Tucker , J. Valiviita , R. Van de Weijgaert , B. van Tent , V. Vennin , P. Vielva , N. Vittorio , C. Wallis , K. Young , M. Zannoni

Our position inside the Galaxy requires all-sky surveys to reveal its large-scale properties. The zero-level calibration of all-sky surveys differs from standard 'relative' measurements, where a source is measured in respect to its…

Astrophysics · Physics 2009-11-13 Wolfgang Reich , Patricia Reich

The Simons Array (SA) project is a ground-based Cosmic Microwave Background (CMB) polarization experiment. The SA observes the sky using three telescopes, and POLARBEAR-2A (PB-2A) is the receiver system on the first telescope. For the…

X-rays astrophysical sources have been almost exclusively characterized through imaging, spectroscopy and timing analysis. Nevertheless, more observational parameters are needed because some radiation mechanisms present in neutrons stars or…

Instrumentation and Methods for Astrophysics · Physics 2015-05-06 S. Antier , O. Limousin , P. Ferrando

Spin-echo instruments are typically used to measure diffusive processes and the dynamics and motion in samples on ps and ns timescales. A key aspect of the spin-echo technique is to determine the polarisation of a particle beam. We present…

Materials Science · Physics 2018-02-05 Anton Tamtögl , Benjamin Davey , David J. Ward , Andrew P. Jardine , John Ellis , William Allison

CLOVER is an experiment which aims to detect the signature of gravitational waves from inflation by measuring the B-mode polarization of the cosmic microwave background. CLOVER consists of three telescopes operating at 97, 150, and 220 GHz.…

We present POLAR, a polynomial arithmetic-based framework for efficient bounded-time reachability analysis of neural-network controlled systems (NNCSs). Existing approaches that leverage the standard Taylor Model (TM) arithmetic for…

Systems and Control · Electrical Eng. & Systems 2022-12-27 Chao Huang , Jiameng Fan , Zhilu Wang , Yixuan Wang , Weichao Zhou , Jiajun Li , Xin Chen , Wenchao Li , Qi Zhu

The Q/U Imaging ExperimenT (QUIET) is designed to measure polarization in the Cosmic Microwave Background, targeting the imprint of inflationary gravitational waves at large angular scales (~ 1 degree). Between 2008 October and 2010…

We have performed a novel comparison between electron-beam polarimeters based on M{\o}ller and Compton scattering. A sequence of electron-beam polarization measurements were performed at low beam currents ($<$ 5 $\mu$A) during the $Q_{\rm…

Pulsed UV lasers can provide useful "testbeams" for observatories that use optical detectors, especially fluorescence detectors, to measure high energy cosmic-rays. The light observed by the detector is proportional to the energy of the…

Instrumentation and Methods for Astrophysics · Physics 2011-05-23 Lawrence Wiencke , Fernando Arqueros , John Compton , Maria Monasor , David Pilger , Jaime Rosado

The CMB polarization is the Everest in the quest to characterize the earliest photons from the Universe. After a long list of ever-decreasing upper limits, a detection of polarization was made in 2002 by the DASI team at ell =~ 500. The…

Instrumentation and Methods for Astrophysics · Physics 2024-11-28 Denis Barkats

An X-ray photoelectric polarimeter based on the Gas Pixel Detector has been proposed to be included in many upcoming space missions to fill the gap of about 30 years from the first (and to date only) positive measurement of polarized X-ray…

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…

Over the next year, a new era of observations of compact objects in X-ray polarization will commence. Among the key targets for the upcoming Imaging X-ray Polarimetry Explorer mission, will be the magnetars 4U 0142+61 and 1RXS…

High Energy Astrophysical Phenomena · Physics 2022-06-22 Ilaria Caiazzo , Denis González-Caniulef , Jeremy Heyl , Rodrigo Fernández

The B-Machine Telescope is the culmination of several years of development, construction, characterization and observation. The telescope is a departure from standard polarization chopping of correlation receivers to a half wave plate…

Instrumentation and Methods for Astrophysics · Physics 2013-11-11 Brian D. Williams

Indian Centre for Space Physics is engaged in studying terrestrial and extra-terrestrial high energy phenomena from meteorological balloon borne platforms. A complete payload system with such balloons is at the most about five kilograms of…

Instrumentation and Methods for Astrophysics · Physics 2019-09-12 Debashis Bhowmick , Sandip K. Chakrabarti , Ritabrata Sarkar , Arnab Bhattacharya , A. R. Rao

Accurate polarimetric calibration of the radio pulse profiles from pulsars is crucial for studying their radiation properties at these wavelengths. Inaccurate calibration can also distort recorded pulse profiles, introducing noise in time…

High Energy Astrophysical Phenomena · Physics 2023-10-11 Lucas Guillemot , Ismaël Cognard , Willem van Straten , Gilles Theureau , Eric Gérard
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