Paper
13 September 2007 Stability of all-optical poling in hydrogen-bonded guest-host polymers
Author Affiliations +
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.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Francisco J. Rodriguez, Iita Kettunen, Arri Priimagi, and Martti Kauranen "Stability of all-optical poling in hydrogen-bonded guest-host polymers", Proc. SPIE 6653, Linear and Nonlinear Optics of Organic Materials VII, 66530L (13 September 2007); https://doi.org/10.1117/12.733088
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KEYWORDS
Polymers

Chromophores

Glasses

Hydrogen

Absorption

Laser beam diagnostics

Infrared radiation

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