Bandwidth and crosstalk considerations in a spatio-temporally modulated polarimeter

Israel J. Vaughn; Oscar G. Rodríguez-Herrera; Mohan Xu; J. Scott Tyo

doi:10.1117/12.2188653

1 September 2015 Bandwidth and crosstalk considerations in a spatio-temporally modulated polarimeter

Israel J. Vaughn, Oscar G. Rodríguez-Herrera, Mohan Xu, J. Scott Tyo

Proceedings Volume 9613, Polarization Science and Remote Sensing VII; 961305 (2015) https://doi.org/10.1117/12.2188653
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

Abstract

Recently we designed and built a portable imaging polarimeter for remote sensing applications.¹ Polarimetric imaging operators are a class of linear systems operators in the Mueller matrix reconstruction space, resulting in a set of measurement channels.² The nature of remote sensing requires channel crosstalk to be minimized for either general Mueller matrix reconstruction or task specific polarimetric remote sensing. We illustrate crosstalk issues for a spatio-temporally modulated Mueller matrix reconstruction operator, and show how to minimize channel crosstalk by maximizing bandwidth between channels. Specifically channel cancellation allows increases in channel bandwidth. We also address the impact that systematic deviations from the ideal operators and i.i.d. noise have on the system channel structure.

Citation Download Citation

Israel J. Vaughn, Oscar G. Rodríguez-Herrera, Mohan Xu, and J. Scott Tyo "Bandwidth and crosstalk considerations in a spatio-temporally modulated polarimeter", Proc. SPIE 9613, Polarization Science and Remote Sensing VII, 961305 (1 September 2015); https://doi.org/10.1117/12.2188653

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