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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 44, Iss. 18 — Jun. 20, 2005
  • pp: 3638–3645

Improved algorithm for simulations of divergent-light halos

Lars Gislén, Jan O. Mattsson, and Bo Söderberg  »View Author Affiliations


Applied Optics, Vol. 44, Issue 18, pp. 3638-3645 (2005)
http://dx.doi.org/10.1364/AO.44.003638


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Abstract

Divergent-light halos are produced when light from nearby light sources is scattered by ice crystals in the atmosphere. We present a theory of divergent-light halos leading to an improved algorithm for the simulation of such halos. Contrary to the algorithm that we presented earlier for simulating such halos, the new algorithm includes a mathematically rigorous weighting of the events. The computer implementation is very compact, and the whole procedure is elegant and conceptually easy to understand. We also present a new simulation atlas showing halos produced by crystals of different shapes and orientations for a set of elevations of the light source.

© 2005 Optical Society of America

OCIS Codes
(010.1290) Atmospheric and oceanic optics : Atmospheric optics
(010.2940) Atmospheric and oceanic optics : Ice crystal phenomena
(010.3920) Atmospheric and oceanic optics : Meteorology

History
Original Manuscript: July 8, 2004
Revised Manuscript: September 27, 2004
Manuscript Accepted: October 5, 2004
Published: June 20, 2005

Citation
Lars Gislén, Jan O. Mattsson, and Bo Söderberg, "Improved algorithm for simulations of divergent-light halos," Appl. Opt. 44, 3638-3645 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-18-3638


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