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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 30, Iss. 4 — Apr. 1, 2013
  • pp: 671–676

Design of a shape-optimized metallic nanoheater

Arnab Dewanjee, Daniel F. V. James, and Mohammad Mojahedi  »View Author Affiliations


JOSA A, Vol. 30, Issue 4, pp. 671-676 (2013)
http://dx.doi.org/10.1364/JOSAA.30.000671


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Abstract

We present a structural optimization method for metal nanostructures based on the shape dependency of their electromagnetic (EM) heat dissipation and thermodynamic transfer to the surroundings. We have used a parallel genetic algorithm in conjunction with a coupled EM (finite-difference time-domain) and thermodynamic modeling of the metallic nanostructures for the optimization. The optimized nanostructure demonstrates significant improvement in EM heating in the spectral window of optimization as well as expedited cooling properties. The symmetry of the structures, which is inherent in the design procedure, makes them independent of the polarization at normal incidence and insensitive to the incident direction while incidence is inclined at an angle.

© 2013 Optical Society of America

OCIS Codes
(260.2160) Physical optics : Energy transfer
(260.3910) Physical optics : Metal optics
(350.5340) Other areas of optics : Photothermal effects

ToC Category:
Physical Optics

History
Original Manuscript: January 14, 2013
Manuscript Accepted: February 7, 2013
Published: March 21, 2013

Citation
Arnab Dewanjee, Daniel F. V. James, and Mohammad Mojahedi, "Design of a shape-optimized metallic nanoheater," J. Opt. Soc. Am. A 30, 671-676 (2013)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-30-4-671


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