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Optics Letters

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  • Vol. 30, Iss. 1 — Jan. 1, 2005
  • pp: 56–57

Exact solution of Maxwell's equations for optical interactions with a macroscopic random medium: addendum

Snow H. Tseng, Jethro H. Greene, Allen Taflove, Duncan Maitland, Vadim Backman, and Joseph T. Walsh, Jr.  »View Author Affiliations


Optics Letters, Vol. 30, Issue 1, pp. 56-57 (2005)
http://dx.doi.org/10.1364/OL.30.000056


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Abstract

This Addendum provides a revised set of figures containing converged numerical data for total scattering cross section (TSCS), replacing the figures in our recent publication [Opt.Lett.29, 1393 (2004)]. Due to the use of an overly large time step, our original TSCS data exhibited a systematic, nonphysical diminution above 150 THz for all cases studied. We have determined that numerical convergence in the temporal sense for the pseudospectral time-domain (PSTD) algorithm employed previously requires limiting the time step to no more than 1/60th of the sinusoidal period at the maximum frequency of interest, which in the previous case was 300 THz. This is an important point that we hereby report to future users of PSTD simulations in electrodynamics and optics. Note that all our original conclusions remain valid.

© 2005 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(240.6680) Optics at surfaces : Surface plasmons
(240.6690) Optics at surfaces : Surface waves

Citation
Snow H. Tseng, Jethro H. Greene, Allen Taflove, Duncan Maitland, Vadim Backman, and Joseph T. Walsh, Jr., "Exact solution of Maxwell's equations for optical interactions with a macroscopic random medium: addendum," Opt. Lett. 30, 56-57 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-1-56


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References

  1. S. H. Tseng, J. H. Greene, V. Backman, D. Maitland, and J. T. Walsh, Opt. Lett. 29, 1393 (2004). [CrossRef]
  2. Q. H. Liu, in Proceedings of the 1997 IEEE Antennas and Propagation Society International Symposium, Vol.1 (Institute of Electrical and Electronics Engineers, New York, 1997), pp. 122-125.
  3. A. Taflove and S. C. Hagness, Computational Electrodynamics: the Finite-Difference Time-Domain Method, (Artech House, Norwood, Mass., 2000), p. 852.

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