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We report the use of the Australia Telescope Compact Array (ATCA) to conduct polarimetric observations of the sky at 5 GHz. The ATCA is normally operated as an interferometer array, but these observations were conducted in a split array…

Astrophysics · Physics 2010-11-11 D. McConnell , E. Carretti , R. Subrahmanyan

The hard X-ray polarimeter POLAR aims to measure the linear polarization of the 50-500 keV photons arriving from the prompt emission of gamma-ray bursts (GRBs). The position in the sky of the detected GRBs is needed to determine their level…

Instrumentation and Methods for Astrophysics · Physics 2010-11-17 E. Suarez-Garcia , D. Haas , W. Hajdas , G. Lamanna , C. Lechanoine-Leluc , R. Marcinkowski , A. Mtchedlishvili , S. Orsi , M. Pohl , N. Produit , D. Rapin , D. Rybka , J. -P. Vialle

A Lamb-shift polarimeter, which has been built for a fast determination of the polarization of protons and deuterons of an atomic-beam source and which is frequently used in the ANKE experiment at COSY-J\"ulich, is shown to be an excellent…

We have carried out JHK polarimetric observations of eleven dusty young stars, by using the polarimeter module IRPOL2 with the near-IR camera UIST on the 3.8-m United Kingdom Infrared Telescope (UKIRT). Our sample targeted systems for which…

Astrophysics · Physics 2009-11-13 A. S. Hales , T. M. Gledhill , M. J. Barlow , K. T. E. Lowe

The X-ray Timing and Polarization (XTP) is a mission concept for a future space borne X-ray observatory and is currently selected for early phase study. We present a new design of X-ray polarimeter based on the time projection gas chamber.…

Instrumentation and Methods for Astrophysics · Physics 2015-09-16 Hong Li , Hua Feng , Jianfeng Ji , Zhi Deng , Li He , Ming Zeng , Tenglin Li , Yinong Liu , Peiyin Heng , Qiong Wu , Dong Han , Yongwei Dong , Fangjun Lu , Shuangnan Zhang

At millimeter wavelengths, the atmospheric emission is circularly polarized owing to the Zeeman splitting of molecular oxygen by the Earth's magnetic field. We report a measurement of the signal in the 150 GHz band using 3 years of…

We have finished the 6cm polarization survey of the Galactic plane using the Urumqi 25m radio telescope. It covers 10deg<l<230deg in Galactic longitude and |b| <5deg in Galactic latitude. The new polarization maps not only reveal new…

Astrophysics of Galaxies · Physics 2015-06-04 J. L. Han , W. Reich , X. H. Sun , X. Y. Gao , L. Xiao , W. B. Shi , P. Reich , R. Wielebinski

The process of data taking, reduction and calibration of near-infrared imaging polarimetry data taken with the ESO Adaptive Optics System ADONIS is described. The ADONIS polarimetric facility is provided by a rotating wire grid polarizer.…

Astrophysics · Physics 2009-10-31 N. Ageorges , J. R. Walsh

The goal of this work is to characterize the polarization effects of the VLTI and GRAVITY. This is needed to calibrate polarimetric observations with GRAVITY for instrumental effects and to understand the systematic error introduced to the…

Millimeter-band polarimetry offers a powerful probe of AGN jets, accessing regions less affected by opacity and Faraday rotation than at longer radio wavelengths. As part of the POLAMI program, we have conducted 14 years of 1 mm and 3 mm…

IXPE (Imaging X-ray Polarimetry Explorer) is a NASA Small Explorer mission -- in partnership with the Italian Space Agency (ASI) -- dedicated to X-ray polarimetry in the 2--8 keV energy band. The IXPE telescope comprises three grazing…

Instrumentation and Methods for Astrophysics · Physics 2022-08-26 Alessandro Di Marco , Sergio Fabiani , Fabio La Monaca , Fabio Muleri , John Rankin , Paolo Soffitta , Fei Xie , Fabrizio Amici , Primo attinà , Matteo Bachetti , Luca Baldini , Mattia Barbanera , Wayne Baumgartner , Ronaldo Bellazzini , Fabio Borotto , Alessandro Brez , Daniele Brienza , Ciro Caporale , Claudia Cardelli , Rita Carpentiero , Simone Castellano , Marco Castronuovo , Luca Cavalli , Elisabetta Cavazzuti , Marco Ceccanti , Mauro Centrone , Saverio Citraro , Enrico Costa , Elisa D'Alba , Fabio D'Amico , Ettore Del Monte , Sergio Di Cosimo , Niccolò Di Lalla , Giuseppe Di Persio , Immacolata Donnarumma , Yuri Evangelista , Riccardo Ferrazzoli , Luca Latronico , Carlo Lefevre , Pasqualino Loffredo , Paolo Lorenzi , Leonardo Lucchesi , Carlo Magazzù , Guido Magazzù , Simone Maldera , Alberto Manfreda , Elio Mangraviti , Marco Marengo , Giorgio Matt , Paolo Mereu , Massimo Minuti , Alfredo Morbidini , Federico Mosti , Hikmat Nasimi , Barbara Negri , Alessio Nuti , Stephen L. O'Dell , Leonardo Orsini , Matteo Perri , Melissa Pesce-Rollins , Raffaele Piazzolla , Stefano Pieraccini , Maura Pilia , Michele Pinchera , Alessandro Profeti , Simonetta Puccetti , Brian D. Ramsey , Ajay Ratheesh , Alda Rubini , Francesco Santoli , Paolo Sarra , Emanuele Scalise , Andrea Sciortino , Carmelo Sgrò , Gloria Spandre , Marcello Tardiola , Allyn F. Tennant , Antonino Tobia , Alessio Trois , Marco Vimercati , Martin C. Weisskopf , Davide Zanetti , Francesco Zanetti

We present the design and performance of RoboPol, a four-channel optical polarimeter operating at the Skinakas Observatory in Crete, Greece. RoboPol is capable of measuring both relative linear Stokes parameters $q$ and $u$ (and the total…

Spider is a balloon-borne experiment that will measure the polarization of the Cosmic Microwave Background over a large fraction of a sky at 1 degree resolution. Six monochromatic refracting millimeter-wave telescopes with large arrays of…

The polarization of light conveys unique information that can be exploited by crucial applications. The bulky and costly discrete optical components used in conventional polarimeters limit their broad adoption. A compact, low-cost…

Applied Physics · Physics 2019-03-27 Zhongjin Lin , Leslie Rusch , Yuxuan Chen , Wei Shi

The polarimetry of the light scattered by planetary surfaces is a powerful tool to provide constraints on their microstructure. To improve the interpretation of polarimetric data from icy surfaces, we have developed the POLarimeter for ICE…

Earth and Planetary Astrophysics · Physics 2018-09-25 Olivier Poch , Romain Cerubini , Antoine Pommerol , Bernhard Jost , Nicolas Thomas

We measured mid-infrared polarization of protoplanetary discs to gain new insight into their magnetic fields. Using CanariCam at the 10.4 m Gran Telescopio Canarias, we detected linear polarization at 8.7, 10.3, and 12.5 $\mu$m from discs…

Earth and Planetary Astrophysics · Physics 2017-11-16 Dan Li , Charles M. Telesco , Han Zhang , Christopher M. Wright , Eric Pantin , Peter J. Barnes , Chris Packham

Astrophysical polarization measurements in the soft gamma-ray band are becoming more feasible as detectors with high position and energy resolution are deployed. Previous work has shown that the minimum detectable polarization (MDP) of an…

The ground-state hyperfine splitting of antihydrogen promises one of the most sensitive tests of CPT symmetry. The ASACUSA collaboration is pursuing a measurement of this splitting in a Rabi-type experiment using a polarized beam from a…

High Energy Physics - Experiment · Physics 2016-08-03 Eberhard Widmann

The Galactic Plane Infrared Polarization Survey (GPIPS) seeks to characterize the magnetic field in the dusty Galactic disk using near-infrared stellar polarimetry. All GPIPS observations were completed using the 1.83 m Perkins telescope…

A portable NMR polarimeter system has been developed to measure the polarization of a polarized Hydrogen-Deuteride (HD) target for hadron photoproduction experiments at SPring-8. The polarized HD target is produced at the Research Center…

Instrumentation and Detectors · Physics 2015-05-27 T. Ohta , M. Fujiwara , K. Fukuda , H. Kohri , T. Kunimatsu , C. Morisaki , S. Ono , M. Tanaka , K. Ueda , M. Uraki , M. Utsuro , S. Y. Wang , M. Yosoi