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Proceedings Paper

Calibration procedure for the polarimetric instrument for Solar Eclipse-98
Author(s): David F. Elmore; Gregory L. Card; Alice R. Lecinski; Bruce W. Lites; Kim V. Streander; Steven Tomczyk
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Paper Abstract

We describe a ground-based eclipse instrument for measuring solar coronal polarization brightness and intensity, and the calibration procedures for this instrument. We present coronal measurements from the February 26, 1998 total solar eclipse observed at Curacao, N.A.. The instrument employs a liquid crystal variable retarder for analysis of coronal broad band linear polarization and collects data on an array detector spanning a 6.5 solar radius field of view. Polarization calibration of the liquid crystal variable retarder utilizes the tangential orientation of coronal polarization to calculate retardance values.

Paper Details

Date Published: 18 December 2000
PDF: 8 pages
Proc. SPIE 4139, Instrumentation for UV/EUV Astronomy and Solar Missions, (18 December 2000); doi: 10.1117/12.410535
Show Author Affiliations
David F. Elmore, National Ctr. for Atmospheric Research (United States)
Gregory L. Card, National Ctr. for Atmospheric Research (United States)
Alice R. Lecinski, National Ctr. for Atmospheric Research (United States)
Bruce W. Lites, National Ctr. for Atmospheric Research (United States)
Kim V. Streander, National Ctr. for Atmospheric Research (United States)
Steven Tomczyk, National Ctr. for Atmospheric Research (United States)


Published in SPIE Proceedings Vol. 4139:
Instrumentation for UV/EUV Astronomy and Solar Missions
Silvano Fineschi; Clarence M. Korendyke; Oswald H. W. Siegmund; Bruce E. Woodgate, Editor(s)

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