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Proceedings Paper

A division-of-focal-plane spectral-polarization imaging sensor
Author(s): Meenal Kulkarni; Viktor Gruev
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Paper Abstract

Existing Division-of-Focal-Plane (DoFP) polarization sensors are capable of detecting intensity and polarization information but ignore spectral information. We present a novel integrated DoFP polarimeter that can simultaneously perceive spectral, polarization and intensity information with high spatial resolution at every frame. The sensor was realized by integrating aluminum nanowire polarization filters at the focal plane of an image sensor that has a vertically stacked photodiode structure in each pixel. The sensor has been optically characterized over a range of intensities, incident polarization angles and wavelengths. Results from the optoelectronic characterization as well as real-life spectral-polarization images obtained from the sensor are presented.

Paper Details

Date Published: 8 June 2012
PDF: 11 pages
Proc. SPIE 8364, Polarization: Measurement, Analysis, and Remote Sensing X, 83640K (8 June 2012); doi: 10.1117/12.919143
Show Author Affiliations
Meenal Kulkarni, Washington Univ. in St. Louis (United States)
Viktor Gruev, Washington Univ. in St. Louis (United States)

Published in SPIE Proceedings Vol. 8364:
Polarization: Measurement, Analysis, and Remote Sensing X
David B. Chenault; Dennis H. Goldstein, Editor(s)

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