Temperature-induced changes in photopolymer volume holograms

Lisa Dhar*, Melinda G. Schnoes, Theresa L. Wysocki, Harvey Bair, Marcia Schilling, Carol Boyd

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

133 Scopus citations

Abstract

Temperature-induced distortions of plane-wave holographic gratings recorded in low glass transition temperature (Tg∼26°C) photopolymer media were measured. Changes in temperature affect the refractive index and dimensions of photopolymer materials, thereby rotating the angular Bragg selectivity of recorded volume holograms. From temperature-dependent measurements on a set of angularly multiplexed holograms, the out-of-plane coefficient of thermal expansion of a thin photopolymer film constrained between two rigid glass substrates is found to be 500 ppm/°C. These experiments suggest that the temperature sensitivity of photopolymer volume holograms may limit their use in many applications.

Original languageEnglish (US)
Pages (from-to)1337-1339
Number of pages3
JournalApplied Physics Letters
Volume73
Issue number10
DOIs
StatePublished - 1998
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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