Spectroscopic study of surface effects in polymer waveguides generated by ionizing radiation related to guiding properties

Alexander Schoesser; Theo T. Tschudi; Werner F. Frank; Fabio Pozzi

doi:10.1117/12.251819

30 September 1996 Spectroscopic study of surface effects in polymer waveguides generated by ionizing radiation related to guiding properties

Alexander Schoesser, Theo T. Tschudi, Werner F. Frank, Fabio Pozzi

Author Affiliations +

Proceedings Volume 2851, Photopolymer Device Physics, Chemistry, and Applications III; (1996) https://doi.org/10.1117/12.251819
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

Samples of PMMA have been modified by ionizing radiation in order to generate regions of increased refractive index for the use as optical waveguides in a surface layer. To get a better understanding of the formation of these guides the chemical processes which are responsible for the increase of the refractive index were studied using different spectroscopic methods. It is shown that the thickness as well as the refractive index profile of the layer at the surface depends on the irradiation dose. In this paper also the guiding properties of the waveguides in dependence of these parameters are discussed. The waveguiding structures were used to build optical polarizers simply by varying the exposure time. The spectral absorption behavior of different strip waveguides for different exposure doses were studied.

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Alexander Schoesser, Theo T. Tschudi, Werner F. Frank, and Fabio Pozzi "Spectroscopic study of surface effects in polymer waveguides generated by ionizing radiation related to guiding properties", Proc. SPIE 2851, Photopolymer Device Physics, Chemistry, and Applications III, (30 September 1996); https://doi.org/10.1117/12.251819

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