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Thermo-Optical Behavior of Passively-Cooled Polymer Waveguides

[+] Author Affiliations
Kyoung-Joon Kim, Avram Bar-Cohen

University of Maryland, College Park, MD

Paper No. IMECE2003-42342, pp. 395-402; 8 pages
  • ASME 2003 International Mechanical Engineering Congress and Exposition
  • Electronic and Photonic Packaging, Electrical Systems and Photonic Design, and Nanotechnology
  • Washington, DC, USA, November 15–21, 2003
  • Conference Sponsors: Electronic and Photonic Packaging Division
  • ISBN: 0-7918-3714-9 | eISBN: 0-7918-4663-6, 0-7918-4664-4, 0-7918-4665-2
  • Copyright © 2003 by ASME


Polymer waveguides offer considerable promise as cost-effective transmission channels for optical signals. However, thermo-optic effects induced by the intrinsic absorption of light in the waveguide material can compromise their performance. The present study seeks to define the thermo-optical issues in Bragg grating polymer waveguides, including the effects and relative importance of temperature change, thermal strain, and thermally-induced stresses. Analytical and numerical solutions are obtained for the temperature, strain, and stress fields in the core of a polymer waveguide, heated by intrinsic light energy absorption, and used to evaluate the resulting Bragg wavelength shift and reflectivity variance.

Copyright © 2003 by ASME
Topics: Polymers , Waveguides



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