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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 2, Iss. 10 — Oct. 1, 2012
  • pp: 1449–1461

Enhanced light absorption using optical diodes based on cholesteric liquid crystals

Efthymios Kallos, Vassilios Yannopapas, and Demetri J. Photinos  »View Author Affiliations

Optical Materials Express, Vol. 2, Issue 10, pp. 1449-1461 (2012)

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A device that significantly enhances the absorption of incident radiation at visible wavelengths is studied. The device consists of an optical diode based on cholesteric and nematic liquid crystals, as well as a mirror. The diode allows non-symmetric one-way propagation of circularly polarized light around a predetermined region of the spectrum. Via full-wave simulations in both planar and cylindrical geometries, it is shown that combining the proposed device with ordinary absorbing materials results in the doubling of their overall absorption efficiency.

© 2012 OSA

OCIS Codes
(160.3710) Materials : Liquid crystals
(310.3915) Thin films : Metallic, opaque, and absorbing coatings

ToC Category:
Liquid Crystals

Original Manuscript: June 21, 2012
Revised Manuscript: July 29, 2012
Manuscript Accepted: July 29, 2012
Published: September 24, 2012

Efthymios Kallos, Vassilios Yannopapas, and Demetri J. Photinos, "Enhanced light absorption using optical diodes based on cholesteric liquid crystals," Opt. Mater. Express 2, 1449-1461 (2012)

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