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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 22, Iss. 19 — Oct. 1, 1997
  • pp: 1464–1466

Control of the polarization dependence of optically poled nonlinear polymer films

S. Brasselet and J. Zyss  »View Author Affiliations


Optics Letters, Vol. 22, Issue 19, pp. 1464-1466 (1997)
http://dx.doi.org/10.1364/OL.22.001464


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Abstract

We demonstrate the possibility of controlling the symmetry properties of photoinduced χ(2) macroscopic susceptibility in polymer films. Ellipsometric adjustment of the write beams allows one to monitor the macroscopic χ(2) symmetry from a dipolar to an octupolar configuration. Experimental results are in agreement with an irreducible spherical tensor-based model jointly applied to the molecular β hyperpolarizability and field tensors. We found a purely octupolar polarization-independent photoinduced second-harmonic-generation response in a Dispersed Red 1–methyl methacrylate thin film. Such a configuration, as generated by an octupolar tensor write field tensor made up of counterclockwise circularly polarized ω and 2ω beams, is not within the reach of the classical electric-field poling technique.

© 1997 Optical Society of America

OCIS Codes
(160.5470) Materials : Polymers
(190.0190) Nonlinear optics : Nonlinear optics
(230.1150) Optical devices : All-optical devices
(310.0310) Thin films : Thin films

Citation
S. Brasselet and J. Zyss, "Control of the polarization dependence of optically poled nonlinear polymer films," Opt. Lett. 22, 1464-1466 (1997)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-22-19-1464

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