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Novel infrared polarimeter for the ESO CRIRES plus instrument
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Observational Astronomy.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Observational Astronomy.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Observational Astronomy.
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2014 (English)In: GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY V, 2014, Vol. 9147, 91478PConference paper, Published paper (Refereed)
Abstract [en]

The CRIRES infrared spectrograph at the European Southern Observatory (ESO) Very Large Telescope (VLT) facility will soon receive an upgrade. This upgrade will include the addition of a module for performing high-resolution spectropolarimetry. The polarimetry module will incorporate a novel infrared beamsplitter based on polarization gratings (PGs). The beamsplitter produces a pair of infrared output beams, with opposite circular polarizations, which are then fed into the spectrograph. Visible light passes through the module virtually unaltered and is then available for use by the CRIRES adaptive optics system. We present the design of the polarimetry module and measurements of PG behavior in the 1 to 2.7 mu m wavelength range.

Place, publisher, year, edition, pages
2014. Vol. 9147, 91478P
Series
Proceedings of SPIE, ISSN 0277-786X
Keyword [en]
infrared, spectropolarimetry, polarization grating, CRIRES, ESO, VLT
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:uu:diva-257490DOI: 10.1117/12.2056367ISI: 000354527800264ISBN: 978-0-8194-9615-7 (print)OAI: oai:DiVA.org:uu-257490DiVA: diva2:839567
Conference
5th Conference on Ground-Based and Airborne Instrumentation for Astronomy, JUN 22-26, 2014, Montreal, CANADA
Available from: 2015-07-03 Created: 2015-07-02 Last updated: 2015-07-03Bibliographically approved

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Lockhart, MatthewPiskunov, NikolaiStempels, EricHeiter, UlrikeMarquart, Thomas

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  • apa
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Output format
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