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Proceedings Article

Full-order Mueller matrix polarimeter using liquid-crystal phase retarders and active illumination

[+] Author Affiliations
David C. Dayton, Brian G. Hoover

Applied Technology Associates (USA)

John D. Gonglewski

Air Force Research Lab. (USA)

Proc. SPIE 4884, Optics in Atmospheric Propagation and Adaptive Systems V, 40 (March 21, 2003); doi:10.1117/12.462446
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From Conference Volume 4884

  • Optics in Atmospheric Propagation and Adaptive Systems V
  • Anton Kohnle; John D. Gonglewski
  • Crete, Greece | September 23, 2002

abstract

Full order Stokes polarimeters are often composed of an analyzer consisting of a rotating quarter wave plate in front of a horizontal polarizer. A number of measurements are then made with the wave-plate oriented at different angle. The four-element Stokes vector is then computed from a linear combination of these measurements. A disadvantage of this device is that only a limited range of analyzer states can be generated. As a result a large number of measurements may be required to reduce the noise gain in the Stokes vector reconstructor. In this paper we describe a polarimeter based on a linear polarizer and two variable wave plates. It can be shown that such a device can produce an arbitrary polarization state. An active polarimeter consists of a generator stage, which transmits a laser illuminator with different polarization states and a receiver with a polarization analyzer stage. In our system both generator and analyzer stages consist of a horizontal polarizer and two variable wave-plates. A sixteen element Mueller matrix of resolved images is then formed for target characterization.

© (2003) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

David C. Dayton ; Brian G. Hoover and John D. Gonglewski
"Full-order Mueller matrix polarimeter using liquid-crystal phase retarders and active illumination", Proc. SPIE 4884, Optics in Atmospheric Propagation and Adaptive Systems V, 40 (March 21, 2003); doi:10.1117/12.462446; http://dx.doi.org/10.1117/12.462446


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