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Published on: February 3, 2023
Sensitivity enhancement of electro-optic polymer probing system using photo-isomerization and Fabry-Pérot effects
Wen-Kai Kuo1, Tzu-Mao Su, Zong-You Ke
1Department of Electro-Optics Engineering, National Formosa University, 64 Wenhua Rd., Huwei, Yunlin, Taiwan 63208, Taiwan. wkkuo@nfu.edu.tw
Abstract:
A sensitivity enhancement method for an external electro-optic (EO) probing system using a poled polymer as an EO sensor is proposed. A pumping laser, which induces the photo-isomerization effect in a prepoled EO polymer, and a tunable probing laser, which induces Fabry-Pérot effect, are combined to enhance the polymer EO sensor sensitivity. Results of an experiment with an EO sensor made of Disperse Red 1 poly(methy1 methacrylate) that demonstrates this combined effect are reported.
