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Applied Optics

Applied Optics


  • Vol. 38, Iss. 18 — Jun. 20, 1999
  • pp: 3893–3903

Photobleaching for optical waveguide formation in a guest–host polyimide

Darja Tomić and Alan Mickelson  »View Author Affiliations

Applied Optics, Vol. 38, Issue 18, pp. 3893-3903 (1999)

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We present a methodology for determining the bleaching characteristics of dye-doped polymers. Our general phenomenological model predicts the absorption spectrum as well as the change in index of refraction as a function of wavelength for a bleached film. Determination of the parameters of the model requires only measurements of physical film characteristics (e.g., thickness, dye concentration), absorption features, and one index of refraction point. Our technique requires no detailed knowledge of the chemistry or physics of the polymer dye system. We have demonstrated the efficacy of our methodology by characterizing a guest–host system of 4-dicyanomethylene-2-methyl-6-(p-dimethylaminostyryl)-4-H-pyran in Amoco 4212 polyimide. Based on our results, we speculate that it should be straightforward to generate model parameter values to characterize the bleaching of other dye-doped polymer systems.

© 1999 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.7380) Optical devices : Waveguides, channeled
(250.2080) Optoelectronics : Polymer active devices
(310.6860) Thin films : Thin films, optical properties

Original Manuscript: August 11, 1998
Revised Manuscript: February 22, 1999
Published: June 20, 1999

Darja Tomić and Alan Mickelson, "Photobleaching for optical waveguide formation in a guest–host polyimide," Appl. Opt. 38, 3893-3903 (1999)

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