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