High sensitivity polarimetry: techniques and applications

J. Hough

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Citations (Scopus)


High sensitivity polarimetry will refer to fractional polarizations of below, and often significantly below, 103. Measuring low fractional polarization requires a large number of photons and also special techniques are needed to remove systematic effects. The highest sensitivities have been achieved using very fast modulation with single-element detectors, giving sensitivities of 106, or better, in fractional polarization. However, it is often important to have good spatial and/or spectral information and to provide this efficiently requires the use of area detectors which bring their own problems, particularly for the highest sensitivities. Applications of highly sensitive polarimetry described here, include observing the reflected light from exoplanets, the properties of dust in the Earth’s atmos-phere, and the remote sensing of biomarkers.
Original languageEnglish
Title of host publicationPolarimetric Detection, Characterization and Remote Sensing
EditorsM.I. Mishchenko, Y.S. Yatskiv, V.K. Rosenbush, G. Videen
PublisherSpringer Nature
ISBN (Print)978-94-007-1636-0, 978-94-007-1638-4
Publication statusPublished - 2010


  • stokes parameters
  • temporal and spatial modulation
  • exoplanets
  • atmospheric dust
  • biomarkers


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