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Optics Letters

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  • Vol. 37, Iss. 13 — Jul. 1, 2012
  • pp: 2676–2678

Increase of photoinduced birefringence in a new type of anisotropic nanocomposite: azopolymer doped with ZnO nanoparticles

Lian Nedelchev, Dimana Nazarova, Violeta Dragostinova, and Daniela Karashanova  »View Author Affiliations


Optics Letters, Vol. 37, Issue 13, pp. 2676-2678 (2012)
http://dx.doi.org/10.1364/OL.37.002676


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Abstract

We report a significant increase of about 50% of the photoinduced birefringence in nanocomposite films of azopolymers doped with ZnO nanoparticles compared with samples made from nondoped azopolymers. This increase is most pronounced at small concentrations of the nanoparticles of 0.5% and for the amorphous polymers used in our study. We observe also an improvement of the response time of more than 25% in some of the polymers, which allows for faster and more effective polarization optical recording.

© 2012 Optical Society of America

OCIS Codes
(160.1190) Materials : Anisotropic optical materials
(160.5470) Materials : Polymers
(160.4236) Materials : Nanomaterials
(310.5448) Thin films : Polarization, other optical properties

ToC Category:
Materials

History
Original Manuscript: March 27, 2012
Revised Manuscript: May 4, 2012
Manuscript Accepted: May 11, 2012
Published: June 26, 2012

Citation
Lian Nedelchev, Dimana Nazarova, Violeta Dragostinova, and Daniela Karashanova, "Increase of photoinduced birefringence in a new type of anisotropic nanocomposite: azopolymer doped with ZnO nanoparticles," Opt. Lett. 37, 2676-2678 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-13-2676


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