HORVÁTH, Gábor; BARTA, András; HEGEDÜS, Ramón

doi:10.1007/978-3-642-54718-8_18

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HORVÁTH, Gábor
Environmental Optics Laboratory [Budapest]

BARTA, András
Estrato Research and Development Ltd

HEGEDÜS, Ramón
Max-Planck-Institut für Informatik [MPII]
Laboratoire Photonique, Numérique et Nanosciences [LP2N]
Melting the frontiers between Light, Shape and Matter [MANAO]

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Polarized Light and Polarization Vision in Animal Sciences. 2014-08-03, vol. 2, p. 367-406

Springer Berlin Heidelberg

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Based on full-sky imaging polarimetric measurements, in this chapter we demonstrate that the celestial distribution of the angle of polarization (or E-vector direction) of skylight is a very robust pattern being qualitatively always the same under all possible sky conditions. Practically the only qualitative difference among clear, partly cloudy, overcast, foggy, smoky and tree-canopied skies occurs in the degree of linear polarization d: The higher the optical thickness of the non-clear atmosphere, the lower the d of skylight. We review here how well the Rayleigh model describes the E-vector pattern of clear and cloudy skies. We deal with the polarization patterns of foggy, partly cloudy, overcast, twilight, smoky and total-solar-eclipsed skies. We describe the possible influences of the changed polarization pattern of smoky and eclipsed skies on insect orientation. We consider the polarization of ‘water-skies’ above Arctic open waters and the polarization characteristics of fogbows. Finally, we deal with the change of skylight polarization due to the transmission through Snell’s window of the flat water surface.< Leer menos

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Animal Physiology

Biophysics and Biological Physics

Atmospheric Sciences

Behavioural Sciences

Neurobiology

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Polarization of the Sky

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