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On the Fermat's principle in a semi-transparent sphere of uniaxial cristal
Published online by Cambridge University Press: 24 January 2007
Abstract
The determination of the optical trajectories on which the radiative energy is transported has been achieved by solving the anisotropic Fermat's principle in a sphere of uniaxial semi-transparent material when the dielectric perpendicular and parallel permittivities are space dependant; first established for the general case of an optical axis function of the location inside the medium, it has completely been solved for the particular case of a constant optical axis with a constant anisotropy factor when the perpendicular permittivity is a function of the radius; the calculation shows a lack of the spherical symmetry due to the presence of the optical axis which induces non planar trajectories contrarily to the isotropic case.
- Type
- Research Article
- Information
- The European Physical Journal - Applied Physics , Volume 37 , Issue 2 , February 2007 , pp. 181 - 190
- Copyright
- © EDP Sciences, 2007
References
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