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Proceedings Paper

Design of a polarimeter with two ferroelectric liquid crystal panels
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Paper Abstract

We present a Stokes polarimeter based on two ferroelectric liquid crystal monopixel panels. This architecture presents advantages associated to dynamic polarimeters and also, allows very fast polarization measurements. A ferroelectric liquid crystal panel can be modeled as a waveplate with a constant retardance and, with two possible orientations for its fast axis when a bipolar electrical sign is addressed. We have calibrated the optical features of our ferroelectric liquid crystal panels: retardance and rotation of the optical axis. In addition, we have carried out an optimization of the orientation of these panels in the setup in order to obtain a minimum condition number of our polarimeter and so, minimize the propagation of noise. Afterwards, we have conducted a tolerance analysis of the elements involved in the setup, focusing for a 2% of accuracy in the Stokes vectors measurements. Then, an experimental calibration is carried out and several measurements are taken in order to analyze its performance.

Paper Details

Date Published: 27 September 2013
PDF: 8 pages
Proc. SPIE 8873, Polarization Science and Remote Sensing VI, 88730S (27 September 2013); doi: 10.1117/12.2024237
Show Author Affiliations
Alba Peinado, Univ. Autònoma de Barcelona (Spain)
Angel Lizana, Univ. Autònoma de Barcelona (Spain)
Juan Campos, Univ. Autònoma de Barcelona (Spain)


Published in SPIE Proceedings Vol. 8873:
Polarization Science and Remote Sensing VI
Joseph A. Shaw; Daniel A. LeMaster, Editor(s)

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