Other
Scientific paper
Feb 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989opten..28..126d&link_type=abstract
Optical Engineering (ISSN 0091-3286), vol. 28, Feb. 1989, p. 126-130.
Other
4
Polarimeters, Polarized Light, Solar Observatories, Calibrating, Command And Control, Polarimetry
Scientific paper
A general polarimeter for the precise measurement of Stokes intensities was developed and was used for testing the Sacramento Peak Vacuum Tower Telescope and other optical instrumentation. The design is based upon the polarimeter described by Orrall (1971) and Makita et al.(1982), with some simplifications. A control computer sets parameters in the integration electronics and provides a simple readout for an experiment control or analysis computer. Calibration of the polarimeter is defined by a Mueller matrix for the system; the calibration matrix compensates for the systematics of the polarimeter. The calibration matrix was derived using an optical wheel containing many orientations of sheet polarizers, partial polarizers, and insertable wave plates. The rms of the calibration solution is about 0.6 percent. The calibration procedure as it is presently defined limits the accuracy of the polarimeter.
Colley Stephen A.
Dunn Richard B.
November Laurence J.
Streander George W.
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