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Conferences > CLEOPR > 2020 > C6H > C6H_1

Photo-bleaching to enhance the sensitivity of Mach-Zehnder interferometer waveguide for explosive detection

Youbin Zheng, Lianzhong Jiang, Guowei Deng, Kaixin Chen, and Jieyun Wu

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Abstract

We demonstrate the photo-bleaching of dipolar sensitive polymer cladding to optimize the evanescent sensing of asymmetric Mach-Zehnder interferometer. The sensitivity of waveguide sensor for nitrobenzene explosive vapor detection is significantly enhanced by more than 100%.

© 2020 The Author(s)

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