Design of a polarimeter with two ferroelectric liquid crystal panels

Alba Peinado; Angel Lizana; Juan Campos

doi:10.1117/12.2024237

27 September 2013 Design of a polarimeter with two ferroelectric liquid crystal panels

Alba Peinado, Angel Lizana, Juan Campos

Proceedings Volume 8873, Polarization Science and Remote Sensing VI; 88730S (2013) https://doi.org/10.1117/12.2024237
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

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.

Citation Download Citation

Alba Peinado, Angel Lizana, and Juan Campos "Design of a polarimeter with two ferroelectric liquid crystal panels", Proc. SPIE 8873, Polarization Science and Remote Sensing VI, 88730S (27 September 2013); https://doi.org/10.1117/12.2024237

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