Fabrication of channel waveguides in dye-doped polymer films by a beam-processing machine based on photo induced bleaching.


Irreversible changes in the refractive index of a dye-doped polymer film by photo induced bleaching were measured with a Mach-Zehnder interferometer. The decrease in the refractive index of the film for various laser powers and various radiation times has been investigated. A beam-processing machine with two simultaneous outputs has been designed to make… (More)
DOI: 10.1364/AO.52.007228


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