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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 10 — May. 20, 2013
  • pp: 12899–12907

Measured comparison of contrast and crossover periods for passive millimeter-wave polarimetric imagery

John P. Wilson, Christopher A. Schuetz, Charles E. Harrity, Stephen Kozacik, David L. K. Eng, and Dennis W. Prather  »View Author Affiliations


Optics Express, Vol. 21, Issue 10, pp. 12899-12907 (2013)
http://dx.doi.org/10.1364/OE.21.012899


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Abstract

Several targets are set-up outside and imaged by a passive millimeter-wave sensor over a 24 hour period. The sensor is capable of measuring two linear polarization states simultaneously and the contrasts of the targets are compared for the different polarizations. The choice of polarization is shown to have an impact on the contrast of different targets throughout the day. In an extreme case the contrast of a target experiences a crossover event and disappears for one polarization while it presents a strong contrast (9 K) with the other polarization. Experimental results are shown along with a simulation of the scene using a ray tracing program.

© 2013 OSA

OCIS Codes
(110.0110) Imaging systems : Imaging systems
(110.3080) Imaging systems : Infrared imaging
(280.4991) Remote sensing and sensors : Passive remote sensing
(110.5405) Imaging systems : Polarimetric imaging
(010.5630) Atmospheric and oceanic optics : Radiometry

ToC Category:
Imaging Systems

History
Original Manuscript: February 14, 2013
Revised Manuscript: May 10, 2013
Manuscript Accepted: May 14, 2013
Published: May 17, 2013

Citation
John P. Wilson, Christopher A. Schuetz, Charles E. Harrity, Stephen Kozacik, David L. K. Eng, and Dennis W. Prather, "Measured comparison of contrast and crossover periods for passive millimeter-wave polarimetric imagery," Opt. Express 21, 12899-12907 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-10-12899


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