A division-of-focal-plane spectral-polarization imaging sensor

Meenal Kulkarni, Viktor Gruev

Research output: Chapter in Book/Report/Conference proceedingConference contribution


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.

Original languageEnglish (US)
Title of host publicationPolarization
Subtitle of host publicationMeasurement, Analysis, and Remote Sensing X
StatePublished - 2012
Externally publishedYes
EventPolarization: Measurement, Analysis, and Remote Sensing X - Baltimore, MD, United States
Duration: Apr 23 2012Apr 24 2012

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
ISSN (Print)0277-786X


OtherPolarization: Measurement, Analysis, and Remote Sensing X
Country/TerritoryUnited States
CityBaltimore, MD


  • Division-of-Focal-Plane
  • Polarization imaging
  • Spectropolarimetry
  • Vertically stacked photodetec-tors

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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