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Proceedings Paper

Large field-of-view KD*P modulator for solar polarization measurements
Author(s): E. A. West; G. A. Gary; M. Noble; D. Choudhary; B. Robinson
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Paper Abstract

This paper will describe the evolution of the Marshall Space Flight Center's (MSFC) electro-optical polarimeter with emphasis on the field-of-view characteristics of the KD*P modulator. Understanding those characteristics was essential to the success of the MSFC solar vector magnetograph. The paper will show how the field-of-view errors of KD*P look similar to the linear polarization patterns seen in simple sunspots and why the placement of the KD*P in a collimated beam was essential in separating the instrumental polarization from the solar signal. Finally, this paper will describe a modulator design which minimizes those field-of-view errors.

Paper Details

Date Published: 18 August 2005
PDF: 9 pages
Proc. SPIE 5888, Polarization Science and Remote Sensing II, 588806 (18 August 2005); doi: 10.1117/12.613240
Show Author Affiliations
E. A. West, NSSTC/NASA Marshall Space Flight Ctr. (United States)
G. A. Gary, NSSTC/NASA Marshall Space Flight Ctr. (United States)
M. Noble, NSSTC/NASA Marshall Space Flight Ctr. (United States)
D. Choudhary, California State Univ., Northridge (United States)
B. Robinson, Univ. of Alabama in Huntsville (United States)

Published in SPIE Proceedings Vol. 5888:
Polarization Science and Remote Sensing II
Joseph A. Shaw; J. Scott Tyo, Editor(s)

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