Accurate Optical Polarimetry on the Nasmyth Platform

Accurate Optical Polarimetry on the Nasmyth Platform

The classical prescription foraccurateoptical and IR polarimetry is the following: a weakly polarizing telescope, a polarization modulator, imager/disperser optics, and a demodulating detector. This list needs to be modified when one is forced to use the Nasmyth focus, as often happens in large mode...

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Veröffentlicht in:Publications of the Astronomical Society of the Pacific 2007-12, Vol.119 (862), p.1371-1384
1. Verfasser: Tinbergen, J.
Format: Artikel
Sprache:eng
Schlagworte:
Calibration
Light beams
Light modulators
Optical focus
Optics
Polarimeters
Polarimetry
Reflecting telescopes
Telescopes
Wavelengths
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Beschreibung
Zusammenfassung:The classical prescription foraccurateoptical and IR polarimetry is the following: a weakly polarizing telescope, a polarization modulator, imager/disperser optics, and a demodulating detector. This list needs to be modified when one is forced to use the Nasmyth focus, as often happens in large modern facilities. An extension of the basic paradigm is presented here and worked out in some detail.
ISSN:0004-6280
1538-3873
DOI:10.1086/524225