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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 21 — Nov. 1, 2013
  • pp: 4469–4472

Simulation of optical caustics associated with the secondary rainbow of oblate droplets

Haitao Yu, Feng Xu, and Cameron Tropea  »View Author Affiliations

Optics Letters, Vol. 38, Issue 21, pp. 4469-4472 (2013)

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A vector-ray tracing (VRT) model is employed to simulate optical caustic structures [in terms of rainbow and hyperbolic umbilic (HU) fringes] in the secondary rainbow region of light scattering from oblate droplets. The changes of the rainbow fringe and HU fringe in response to shape deformation of oblate droplets are investigated and the curvature of the rainbow fringe is calculated. Then the location of cusp caustics is calculated from VRT simulations and compared with analytic solutions.

© 2013 Optical Society of America

OCIS Codes
(290.5850) Scattering : Scattering, particles
(290.5825) Scattering : Scattering theory

ToC Category:

Original Manuscript: September 2, 2013
Manuscript Accepted: September 25, 2013
Published: October 31, 2013

Haitao Yu, Feng Xu, and Cameron Tropea, "Simulation of optical caustics associated with the secondary rainbow of oblate droplets," Opt. Lett. 38, 4469-4472 (2013)

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