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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 2 — Jan. 10, 2009
  • pp: 375–379

Third-order optical nonlinearity of gold nanoparticle arrays embedded in a BaTiO 3 matrix

Tingyin Ning, Chunchong Chen, Yueliang Zhou, Heng Lu, Hong Shen, Dongxiang Zhang, Pei Wang, Hai Ming, and Guozhen Yang  »View Author Affiliations


Applied Optics, Vol. 48, Issue 2, pp. 375-379 (2009)
http://dx.doi.org/10.1364/AO.48.000375


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Abstract

Au : BaTiO 3 composite films comprising hexagon-shaped Au nanoparticle arrays covered with Ba Ti O 3 matrix were fabricated by double-layer nanosphere lithography and pulsed laser deposition technique. The optical nonlinearity of the composite film was determined using the Z-scan technique at a wavelength of 532 nm and a pulse duration of 25 ps . The third-order nonlinear optical susceptibility, χ ( 3 ) , was found to be 2.9 × 10 8 esu , which is comparable with the best values in metal–dielectric films comprising randomly distributed spherical particles but with much higher metal concentrations. The local electric field enhancement in and near the particles was investigated using the dipole discrete approximation method.

© 2009 Optical Society of America

OCIS Codes
(160.4330) Materials : Nonlinear optical materials
(190.4720) Nonlinear optics : Optical nonlinearities of condensed matter
(310.1860) Thin films : Deposition and fabrication
(320.5390) Ultrafast optics : Picosecond phenomena

ToC Category:
Materials

History
Original Manuscript: September 29, 2008
Revised Manuscript: December 10, 2008
Manuscript Accepted: December 10, 2008
Published: January 8, 2009

Citation
Tingyin Ning, Chunchong Chen, Yueliang Zhou, Heng Lu, Hong Shen, Dongxiang Zhang, Pei Wang, Hai Ming, and Guozhen Yang, "Third-order optical nonlinearity of gold nanoparticle arrays embedded in a BaTiO3 matrix," Appl. Opt. 48, 375-379 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-2-375

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