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Journal of Materials Science

, Volume 32, Issue 15, pp 4047–4051 | Cite as

TiO2 nano-particle-dispersed polyimide composite optical waveguide materials through reverse micelles

  • M Yoshida
  • M Lal
  • N. Deepak Kumar
  • P. N Prasad
Article

Abstract

Optically transparent polyimide : titanium dioxide (TiO2) composite waveguide materials were prepared by the dispersion of nano-sized TiO2 particles into polyimide. The particles were produced through reverse micelles using the sol–gel method, and were dispersed into the fluorinated polyimide solution. The solution was coated on a glass substrate, and a polyimide : TiO2 composite waveguide (4 wt% TiO2 concentration) was successfully produced after the heat treatment. Because the particle size was very small, no noticeable scattering loss was observed in the resultant slab waveguide. The measured optical propagation loss at 633 nm was 1.4 dB cm-1. It is equivalent to that of the pure polyimide, and the refractive index was increased from 1.550 to 1.560 by the incorporation.

Keywords

Polyimide Reverse Micelle Optical Waveguide Titanium Complex Polyamic Acid 

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Copyright information

© Chapman and Hall 1997

Authors and Affiliations

  • M Yoshida
    • 1
  • M Lal
    • 1
  • N. Deepak Kumar
    • 1
  • P. N Prasad
    • 1
  1. 1.Photonics Research Laboratory, Department of ChemistryState University of New York at BuffaloBuffaloUSA

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