A Comparison of Extinction Efficiencies in the Eikonal and the Anomalous Diffraction Approximations for Spheres

Authors :: D.J. Somerford
S.K. Sharma
Source :: Journal of Modern Optics. 36:1411-1413
Publication Year :: 1989
Publisher :: Informa UK Limited, 1989.
Abstract: Extinction curves in the eikonal approximation and the anomalous diffraction approximation have been compared with exact extinction curves for homogeneous spheres of various refractive indices. Our results show the anomalous diffraction approximation to be more suitable for extinction calculations.

Subjects :: Physics
Eikonal equation
business.industry
Anomalous diffraction
Physics::Optics
Atomic and Molecular Physics, and Optics
Light scattering
Eikonal approximation
Computational physics
Optics
Homogeneous
Extinction (optical mineralogy)
Quantitative Biology::Populations and Evolution
SPHERES
business
Refractive index
Astrophysics::Galaxy Astrophysics

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