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Related papers: Software Polarization Spectrometer "PolariS"

200 papers

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

We report measurements of the spin polarization (\textbf{\textit{P}}) of the concentrated magnetic semiconductor EuS using both zero-field and Zeeman-split Andreev reflection spectroscopy (ARS) with EuS/Al planar junctions. The zero-field…

Materials Science · Physics 2016-08-14 Cong Ren , J. Trbovic , R. L. Kallaher , J. G. Braden , J. S. Parker , S. von Molnár , P. Xiong

The WALOPControl software is designed to facilitate comprehensive control and operation of the WALOP (Wide Area Linear Optical Polarimeter) polarimeters, ensuring safe and concurrent management of various instrument components and…

We present an experimental and theoretical study of the polarized photoluminescence spectrum of single semiconductor quantum dots in various charge states. We compare our high resolution polarization sensitive spectral measurements with a…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 E. Poem , J. Shemesh , I. Marderfeld , D. Galushko , N. Akopian , D. Gershoni , B. D. Gerardot , A. Badolato , P. M. Petroff

The Visible Spectro-Polarimeter (ViSP) is one of the first light instruments for the Advanced Technology Solar Telescope (ATST). It is an echelle spectrograph designed to measure three different regions of the solar spectrum in three…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 Alfred G. de Wijn , Roberto Casini , Peter G. Nelson , Pei Huang

We present the PolEMICA [Aumont & Macias-Perez 2007] (Polarized Expectation-Maximization Independent Component Analysis) algorithm which is an extension to polarization of the SMICA [Delabrouille et al. 2003] temperature component…

Astrophysics · Physics 2007-05-23 J. Aumont

WIRC+Pol is a near-infrared low-resolution spectropolarimeter on the 200-inch Telescope at Palomar Observatory. The instrument utilizes a polarization grating to perform polarimetric beam splitting and spectral dispersion simultaneously. It…

The evolution of computer-generated holography (CGH) algorithms has prompted significant improvements in the performances of holographic displays. Nonetheless, they start to encounter a limited degree of freedom in CGH optimization and…

Optics · Physics 2023-09-27 Seung-Woo Nam , Youngjin Kim , Dongyeon Kim , Yoonchan Jeong

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…

We present the new open source C++-based Python library CosTuuM that can be used to generate infrared absorption and emission coefficients for arbitrary mixtures of spheroidal dust grains that are (partially) aligned with a magnetic field.…

Instrumentation and Methods for Astrophysics · Physics 2020-07-15 Bert Vandenbroucke , Maarten Baes , Peter Camps

Context: Radio astronomical receivers are now expanding their frequency range to cover large (octave) fractional bandwidths for sensitivity and spectral flexibility, which makes the design of good analogue circular polarizers challenging.…

Instrumentation and Methods for Astrophysics · Physics 2015-05-27 Koyel Das , A. L. Roy , R. Keller , G. Tuccari

This paper discusses the latest progress in the development of GRAPE (Gamma-Ray Polarimeter Experiment), a hard X-ray Compton Polarimeter. The purpose of GRAPE is to measure the polarization of hard X-rays in the 50-300 keV energy range. We…

Astrophysics · Physics 2017-08-23 J. S. Legere , P. Bloser , J. R. Macri , M. L. McConnell , T. Narita , J. M. Ryan

I propose a new optoelectronic device that completely and instantaneously measures the incident light's polarization for a narrow wavelength band in a single physical pixel. The device has four (or more) quantum-well active regions…

Instrumentation and Detectors · Physics 2007-05-23 Mario Serna

As a dedicated solar radio interferometer, the MingantU SpEctral RadioHeliograph (MUSER) generates massive observational data in the frequency range of 400 MHz -- 15 GHz. High-performance imaging forms a significantly important aspect of…

Instrumentation and Methods for Astrophysics · Physics 2017-12-21 Ying Mei , Feng Wang , Wei Wang , Lin-jie Chen , Ying-bo Liu , Hui Deng , Wei Dai , Cui-yin Liu , Yi-hua Yan

Full polarization measurements of 1665 and 1667-MHz OH masers at 261 sites of massive star formation have been made with the Parkes radio telescope. Here we present the resulting spectra for 157 southern sources, complementing our…

Astrophysics of Galaxies · Physics 2014-02-13 J. L. Caswell , J. A. Green , C. J. Phillips

Information on the polarization properties of scattered light from plasmonic systems are of paramount importance due to fundamental interest and potential applications. However, such studies are severely compromised due to the experimental…

The modal dispersion of waveguides often limits integrated photonic devices to operation with a single polarization state. This presents a challenge for sensing and spectroscopy applications, which often require polarization diversity over…

Highly polarized components of pulse profiles are investigated by analyzing observational data and simulating the emission processes. The highly polarized components appear at the leading or trailing part of a pulse profile, which…

High Energy Astrophysical Phenomena · Physics 2016-08-29 P. F. Wang , J. L. Han

We developed an instrument design capable of measuring linear X-ray polarization over a broad-band using conventional spectroscopic optics. A set of multilayer-coated flats reflects the dispersed X-rays to the instrument detectors. The…

Instrumentation and Methods for Astrophysics · Physics 2015-05-13 Herman L. Marshall , Ralf Heilmann , Norbert Schulz , Kendrah Murphy

We extend previous theoretical works to gain a better understanding of the origin of observed polarisation degree spectra of molecular clouds, which show a so-called V-shape, i.e. a pronounced minimum around 350~$\mu$m. For this purpose, we…

Astrophysics of Galaxies · Physics 2025-09-03 Daniel Seifried , Stefanie Walch , Thorsten Balduin
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