Polymer microstructure waveguides on various substrates for optical interconnection and communication

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Abstract
Planar polymer lightguides ofpoly-(methyl methacrylate) (PMMA) are doped with a UV sensitive material and an azo dye, sensitive for green or blue light (514, 488 nm) simultaneously. The UV-sensitive material is used for recording a permanent waveguide pattern while the azo dye is meant for a reversible light induced refractive index change. Although the azo dye is partly destroyed by the UV light and the photochemical reaction during waveguide formation, a light induced phase modulation in the guide is still possible in such bifunctional materials.

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