Chemical imidization for enhanced thermal stability of poled electro-optic response in polyimide guest-host systems

J. W. Wu, J. F. Valley, S. Ermer, E. S. Binkley, J. T. Kenney, R. Lytel

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

Chemical imidization at room temperature is employed as a novel curing process for dc electric field poled electro-optic (EO) polyimide guest-host systems. Dehydration occurring through imidization of the polyamic acid is completed chemically after poling rather than thermally during poling. After thermal aging at 155 °C (above the poling temperature) chemically imidized samples retain over 30% of their original poling induced EO signal while similarly poled samples, which have not been chemically imidized, produce a null EO response.

Original languageEnglish
Pages (from-to)2213-2215
Number of pages3
JournalApplied Physics Letters
Volume59
Issue number18
DOIs
StatePublished - 1991

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