Generalization of the rainbow Airy theory to nonuniform spheres
Optics Letters, Vol. 30, Issue 6, pp. 658-660 (2005)
http://dx.doi.org/10.1364/OL.30.000658
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Abstract
Rainbow techniques permit measurement of refractive indices, and hence the temperatures of liquid droplets through determination of the absolute angular position of a rainbow interference image in space. The Airy theory, which is commonly used to explain the rainbow effect, permits the determination of a unique refractive-index value, even in the presence of nonuniformities in the droplet. An extension of this theory to spheres that exhibit internal refractive-index gradients is proposed. The case of burning droplets is considered as an example of such spheres, and the results obtained are successfully compared with those presented in the literature.
© 2005 Optical Society of America
OCIS Codes
(080.2710) Geometric optics : Inhomogeneous optical media
(290.0290) Scattering : Scattering
Citation
Maria Rosaria Vetrano, Jeronimus Petrus Antonius Johannes van Beeck, and Michel Léon Riethmuller, "Generalization of the rainbow Airy theory to nonuniform spheres," Opt. Lett. 30, 658-660 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-6-658
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