This article presents the simulation of the dynamics of the self-writing
waveguide phenomenon in photopolymerizable resin systems using the finite
element method. The rate equation of the photopolymerization process,
mechanical shrinkage in the resin and lightwave propagation through the
waveguide are included in the finite element model. An emphasis is placed on
the simulation of processes occuring at multiple time scales and the
introduction of mechanical shrinkage through an equivalent body force.
Simulation results predict the features of self-writing previously observed
including nonuniformities in the final polymerized waveguide.
© 2009 IEEE
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