30 September 1996 Spectroscopic study of surface effects in polymer waveguides generated by ionizing radiation related to guiding properties
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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.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Alexander Schoesser, Alexander Schoesser, Theo T. Tschudi, Theo T. Tschudi, Werner F. Frank, Werner F. Frank, Fabio Pozzi, 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); doi: 10.1117/12.251819; https://doi.org/10.1117/12.251819
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