Stochastic model for photoinduced surface relief grating formation through molecular transport in polymer films

M. L. Juan, J. Plain, R. Bachelot*, P. Royer, S. K. Gray, G. P. Wiederrecht

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    29 Citations (Scopus)

    Abstract

    We use a stochastic model to study photoinduced surface relief grating (SRG) formation due to molecular transport in azobenzene polymer films. The model is shown to reproduce the essential experimental features of SRG formation. In particular, it predicts SRG formation under both p and s polarizations, and the double peaked topographies that can occur at early times of the process. The evolving molecular positions and orientations during exposure are also followed, providing a useful mechanistic picture of SRG dynamics.

    Original languageEnglish
    Article number153304
    Pages (from-to)153304-1-153304-3
    Number of pages3
    JournalApplied Physics Letters
    Volume93
    Issue number15
    DOIs
    Publication statusPublished - 2008

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