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Authors: H. Zhao, A. Raza, B. Baumgartner, S. Clemmen, B. Lendl, A. Skirtach, R. Baets
Title: Waveguide-Enhanced Raman Spectroscopy Using a Mesoporous Silica Sorbent Layer for Volatile Organic Compound (VOC) Sensing
Format: International Conference Proceedings
Publication date: 5/2019
Journal/Conference/Book: Conference on Lasers and Electro-Optics (CLEO)
Volume(Issue): p.paper STh1F.7 (2 pages)
Location: San jose, United States
DOI: 10.1364/CLEO_SI.2019.STh1F.7
Citations: 2 (Dimensions.ai - last update: 26/6/2022)
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Abstract

We report a Raman sensor for broadband vapor-phase volatile organic compounds (VOCs) based on SiN waveguides functionalized with a mesoporous silica top-cladding. A detection limit below 1000ppm is demonstrated and scaling to trace-gas-levels is discussed.

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