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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 16 — Jun. 1, 2012
  • pp: 3357–3363

Optics InfoBase > Applied Optics > Volume 51 > Issue 16 > Page 3357

Photoinduced anisotropy and polarization holographic gratings formed in Ag/TiO2 nanocomposite films

Shencheng Fu, Xintong Zhang, Runyuan Han, Shiyu Sun, Lingling Wang, and Yichun Liu  »View Author Affiliations


Applied Optics, Vol. 51, Issue 16, pp. 3357-3363 (2012)
http://dx.doi.org/10.1364/AO.51.003357


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Abstract

Formation of anisotropy and polarization holographic gratings (s–s, p–p, and s–p) in Ag/TiO2 nanocomposite films were investigated using Nd:YAG lasers (532 nm) as pumping and writing source, respectively. The observations can be well explained by the anisotropic photodissolution of Ag nanoparticles, the photomobility and reduction of Ag+ ions, and the light scattering induced by Ag nanoparticles. Taking these effects into account, a phenomenological model based on simultaneous formation of the absorption grating and the two coupling phase gratings is proposed and found to be in good agreement with the measurements. The main differences in the three polarization grating formation processes are also discussed.

© 2012 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(090.2900) Holography : Optical storage materials
(260.1440) Physical optics : Birefringence

ToC Category:
Holography

History
Original Manuscript: October 5, 2011
Revised Manuscript: December 19, 2011
Manuscript Accepted: December 30, 2011
Published: May 29, 2012

Citation
Shencheng Fu, Xintong Zhang, Runyuan Han, Shiyu Sun, Lingling Wang, and Yichun Liu, "Photoinduced anisotropy and polarization holographic gratings formed in Ag/TiO2 nanocomposite films," Appl. Opt. 51, 3357-3363 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-16-3357

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