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Proceedings Article

The ZIMPOL high contrast imaging polarimeter for SPHERE: system test results

[+] Author Affiliations
Ronald Roelfsema, Johan Pragt, Eddy Elswijk, Menno de Haan

NOVA ASTRON (Netherlands)

Andreas Bazzon, Hans Martin Schmid, Daniel Gisler

ETH Zürich (Switzerland)

Carsten Dominik

Astronomical Institute Anton Pannekoek (Netherlands)

Andrea Baruffolo, Bernardo Salasnich

INAF - Osservatorio Astronomico di Padova (Italy)

Jean-Luc Beuzit, David Mouillet, Pascal Puget

IPAG, Univ. Joseph Fourier (France)

Anne Costille, Kjetil Dohlen

Lab. d'Astrophysique de Marseille, CNRS, Univ. de Provence (France)

Mark Downing, Norbert Hubin, Markus Kasper, Jean-Louis Lizon

European Southern Observatory (Germany)

Christoph Keller

Leiden Observatory (Netherlands)

Alexey Pavlov

Max-Planck-Institut für Astronomie (Germany)

Jean-Francois Sauvage

ONERA (France)

Francois Wildi

Observatoire Astronomique de l’Univ. de Geneve (Switzerland)

Proc. SPIE 9147, Ground-based and Airborne Instrumentation for Astronomy V, 91473W (July 8, 2014); doi:10.1117/12.2056493
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From Conference Volume 9147

  • Ground-based and Airborne Instrumentation for Astronomy V
  • Suzanne K. Ramsay; Ian S. McLean; Hideki Takami
  • Montréal, Quebec, Canada | June 22, 2014

abstract

SPHERE (Spectro-Polarimetric High-contrast Exoplanet Research) is a new instrument for the VLT aimed at the direct detection of exo-planets. It has received its first light in May 2014. ZIMPOL (Zurich Imaging Polarimeter) is the imaging polarimeter subsystem of the SPHERE instrument. It's capable of both high accuracy and high sensitivity polarimetry but can also be used as a classical imager. It is located behind an extreme AO system and a stellar coronagraph. ZIMPOL operates at visible wavelengths (600-900 nm) which is best suited to detect the very faint reflected and hence polarized visible light from extra solar planets. It has an instantaneous Field of View of 3 x 3 arcsec2 (extendable to 8 arcsec diameter) with an angular resolution of 14 mili-arcsec. We discuss the results that are obtained from the full SPHERE-ZIMPOL system testing. In particular the optical, polarimetric and high contrast performance. © (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Ronald Roelfsema ; Andreas Bazzon ; Hans Martin Schmid ; Johan Pragt ; Daniel Gisler, et al.
" The ZIMPOL high contrast imaging polarimeter for SPHERE: system test results ", Proc. SPIE 9147, Ground-based and Airborne Instrumentation for Astronomy V, 91473W (July 8, 2014); doi:10.1117/12.2056493; http://dx.doi.org/10.1117/12.2056493


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