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Proceedings Paper

Stability of all-optical poling in hydrogen-bonded guest-host polymers
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Paper Abstract

The all-optical poling technique allows writing non-centrosymmetric gratings that are automatically phase-matched for second-harmonic generation by purely optical means. One drawback of all-optical poling in organic materials is the poor stability of the recorded gratings due to thermal and/or photo-induced molecular randomization. Using a two beam technique, we have compared the all-optical poling process in different kinds of polymers with Disperse Red 1 dye: guest-hosts with hydrogen-bond interactions between the guest dye and the host polymer and a side-chain polymer in which the dyes are attached through covalent bonds. We show that in the investigated polymer systems, hydrogen-bonded guest-hosts are capable of surpassing the stability of side-chain polymers.

Paper Details

Date Published: 13 September 2007
PDF: 8 pages
Proc. SPIE 6653, Linear and Nonlinear Optics of Organic Materials VII, 66530L (13 September 2007); doi: 10.1117/12.733088
Show Author Affiliations
Francisco J. Rodriguez, Tampere Univ. of Technology (Finland)
Iita Kettunen, Tampere Univ. of Technology (Finland)
Arri Priimagi, Helsinki Univ. of Technology (Finland)
Martti Kauranen, Tampere Univ. of Technology (Finland)

Published in SPIE Proceedings Vol. 6653:
Linear and Nonlinear Optics of Organic Materials VII
Jean-Michel Nunzi, Editor(s)

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