Optimization of the efficiencies of photorefractive polymers: Correlations between viscoelastic properties and electro-optical responses

Jean Charles Maurice Ribierre, Loic Mager, Stéphane Mery, Alain Fort

Research output: Contribution to journalConference article

Abstract

The photorefractive properties of low glass transition temperature (Tg) doped polymers are essentially ruled by the ability of the push-pull chromophores to align along the electric field. Therefore, a high rotational mobility is therefore needed for these non linear optical chromophores incorporated in the matrix. However, even if the influence of Tg on the photorefractive performances of guest-host polymers has been previously pointed out, this unique parameter is not sufficient to take into account the viscoelastic properties of the matrices. A complete study of the orientational dynamics of chromophores in various low Tg doped polymers, investigated by dielectric spectroscopy, second harmonic generation and electrooptical dynamical measurements, is presented. The results are fully interpreted and modeled by rheological laws used to describe the viscoelastic behavior of polymers. Finally, the influence of the average molecular weight is also analyzed and then demonstrates the interest of using low molecular weight polymers.

Original languageEnglish
Pages (from-to)1-9
Number of pages9
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4918
DOIs
Publication statusPublished - Jan 1 2002
EventMaterials, Devices, and Systems for Display and Lighting - Shanghai, China
Duration: Oct 15 2002Oct 17 2002

Fingerprint

Polymers
Chromophores
optimization
Optimization
chromophores
polymers
Molecular weight
Dielectric spectroscopy
Second Harmonic Generation
Glass Transition
low molecular weights
Harmonic generation
matrices
glass transition temperature
Spectroscopy
molecular weight
Electric Field
harmonic generations
Electric fields
Sufficient

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Optimization of the efficiencies of photorefractive polymers : Correlations between viscoelastic properties and electro-optical responses. / Ribierre, Jean Charles Maurice; Mager, Loic; Mery, Stéphane; Fort, Alain.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 4918, 01.01.2002, p. 1-9.

Research output: Contribution to journalConference article

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