1 April 1990 Photoinduced phase modulation in PMMA lightguides doped with an azo dye
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Polymer lightguides ofPMMA, doped with azo dyes are investigated with respect to their opto-optical or all optical properties. The TRANS-CIS photoisomerisation of the azo dyes leads to reasonable polarization dependent optically induced refractive index changes. These are studied in planar lightguides and in leaky guides. With light at the absorption edge all optical properties are studied leading to a possible application as bistable device.
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Thomas Lueckemeyer, Hilmar Franke, Werner F. Frank, "Photoinduced phase modulation in PMMA lightguides doped with an azo dye", Proc. SPIE 1213, Photopolymer Device Physics, Chemistry, and Applications, (1 April 1990); doi: 10.1117/12.18016; https://doi.org/10.1117/12.18016

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