Ultrafast optical nonlinearity in poly(methylmethacrylate)-TiO2 nanocomposites

H. I. Elim, W. Ji, Akhmad Herman Yuwono, J. M. Xue, J. Wang

Research output: Contribution to journalArticlepeer-review

111 Citations (Scopus)

Abstract

A study was performed on ultrafast optical nonlinearity in thin films containing poly(methyl methacrylate)(PMMA)-TiO2 nanocomposites. The thin films were synthesized by a simple technique of sol-gel/polymerization. Transmission electron microscopy showed the presence of 5-nm-diamater particles in the film. It was found that the observed optical nonlinearity had a recovery time of ∼1.5 ps.

Original languageEnglish
Pages (from-to)2691-2693
Number of pages3
JournalApplied Physics Letters
Volume82
Issue number16
DOIs
Publication statusPublished - 21 Apr 2003

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