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Published December 2005 | Published
Journal Article Open

Diffraction from deformed volume holograms: perturbation theory approach


We derive the response of a volume grating to arbitrary small deformations, using a perturbative approach. This result is of interest for two applications: (a) when a deformation is undesirable and one seeks to minimize the diffracted field's sensitivity to it and (b) when the deformation itself is the quantity of interest and the diffracted field is used as a probe into the deformed volume where the hologram was originally recorded. We show that our result is consistent with previous derivations motivated by the phenomenon of shrinkage in photopolymer holographic materials. We also present the analysis of the grating's response to deformation due to a point indenter and present experimental results consistent with theory.

Additional Information

© 2005 Optical Society of America. Received March 7, 2005; accepted May 11, 2005. We are grateful to Ondax, Inc. for providing holograms for the experiments, Wenyang Sun and Arnab Sinha for helpful discussions, and Jose A. Dominguez-Caballero for manufacturing the indenter tip holder. This project was funded by Defense Advanced Research Projects Agency/Microsystems Technology Office.

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