Scattering Properties of Needlelike and Platelike Ice Spheroids with Moderate Size Parameters
Applied Optics, Vol. 39, Issue 27, pp. 5052-5057 (2000)
http://dx.doi.org/10.1364/AO.39.005052
Acrobat PDF (1262 KB)
Abstract
We use the current advanced version of the T-matrix method to compute the optical cross sections, the asymmetry parameter of the phase function, and the scattering matrix elements of ice spheroids with aspect ratios up to 20 and surface-equivalent-sphere size parameters up to 12. We demonstrate that platelike and needlelike particles with moderate size parameters possess unique scattering properties: their asymmetry parameters and phase functions are similar to those of surface-equivalent spheres, whereas all other elements of the scattering matrix are typical of particles much smaller than the wavelength (Rayleigh scatterers). This result may have important implications for optical particle sizing and remote sensing of the terrestrial and planetary atmospheres.
© 2000 Optical Society of America
[Optical Society of America ]
OCIS Codes
(010.1110) Atmospheric and oceanic optics : Aerosols
(010.1290) Atmospheric and oceanic optics : Atmospheric optics
(010.1310) Atmospheric and oceanic optics : Atmospheric scattering
(010.2940) Atmospheric and oceanic optics : Ice crystal phenomena
(290.1090) Scattering : Aerosol and cloud effects
(290.1310) Scattering : Atmospheric scattering
Citation
Nadia T. Zakharova and Michael I. Mishchenko, "Scattering Properties of Needlelike and Platelike Ice Spheroids with Moderate Size Parameters," Appl. Opt. 39, 5052-5057 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-27-5052
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