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Title: Scattering characteristics of small particles in resonance region: Effect of shape
Authors: Joshi, J J
Shah, H S
Sharma, S K
Mehta, R V
Issue Date: Jun-2002
Publisher: NISCAIR-CSIR, India
Abstract: Scattering characteristics of spherical and nonspherical particles are studied using T-matrix method. Particle size is varied up to radius r = 0.3 micron. Computations are made for two chromatic pigments namely red and green with aspect ratio varying from 1 to 6 for three wavelengths λ = 440, 560 and 680 nm used in colour calculations. Results show that the effect of shape is predominant on scattering characteristics of particles in resonance region. Scattering parameters are used to calculate reflectance of pigment system using many- flux multiple scattering theory. Results show that deviations in pigment shape from sphericity have remarkable effect on reflectance and hence on co lour exhibited by pigment dispersions.
Page(s): 421-429
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.40(06) [June 2002]

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