Spectrally broadband channeled imaging polarimeter using polarization gratings

Michael W. Kudenov; Michael J. Escuti; Eustace L. Dereniak; Kazuhiko Oka

doi:10.1117/12.893771

9 September 2011 Spectrally broadband channeled imaging polarimeter using polarization gratings

Michael W. Kudenov, Michael J. Escuti, Eustace L. Dereniak, Kazuhiko Oka

Proceedings Volume 8160, Polarization Science and Remote Sensing V; 81600V (2011) https://doi.org/10.1117/12.893771
Event: SPIE Optical Engineering + Applications, 2011, San Diego, California, United States

Abstract

A snapshot channeled linear imaging (CLI) polarimeter is demonstrated by incorporating two identical polarization gratings (PGs) into a shearing polarization interferometer. Placing the PGs in series causes the shear to become linearly proportional to the wavelength, thereby generating white-light polarization fringes at the focal point of an imaging lens. These fringes amplitude modulate the incident Stokes parameters corresponding to linearly polarized light (S0, S1, and S2). In this paper, we theoretically and experimentally demonstrate the CLI polarimeter. Additional validation of the technique is conducted through outdoor measurements of moving targets, and extending the measurement capacity of the system to include circularly polarized light is theoretically demonstrated.

Citation Download Citation

Michael W. Kudenov, Michael J. Escuti, Eustace L. Dereniak, and Kazuhiko Oka "Spectrally broadband channeled imaging polarimeter using polarization gratings", Proc. SPIE 8160, Polarization Science and Remote Sensing V, 81600V (9 September 2011); https://doi.org/10.1117/12.893771

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