Langmuir-Blodgett deposition and second-order non-linear optics of several azobenzene dye polymers

J. P. Cresswell, M. C. Petty, I. Ferguson, M. Hutchings, S. Allen, T. G. Ryan, C. H. Wang, B. S. Wherrett

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

The Langmuir-Blodgett (LB) film-forming properties of a number of novel azobenzene dye polymers are reported. The linear and second-order non-linear optical properties of the films have been studied using ellipsometry, visible spectroscopy and Pockels effect measurements. As monolayers, the effective electro-optic r-coefficients ranged from 1 to 8.7 pmV.-1 When one of the polymers was combined in an alternate layer film (230 layers in total), an r13-coefficient of 13 pm V-1 was achieved. This is one of the highest values reported for a 'thick' LB film.

Original languageEnglish
Pages (from-to)33-38
Number of pages6
JournalAdvanced Materials for Optics and Electronics
Volume6
Issue number1
Publication statusPublished - 1996

Keywords

  • Azobenzene derivatives
  • LB films
  • Non-linear optics

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