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Ultra-sensitive silicon nitride waveguide-enhanced Raman spectroscopy for aqueous solutions of organic compounds

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Abstract

We demonstrate a waveguide-enhanced Raman sensor functionalized with mesoporous silica coating for organic compounds in aqueous solutions. The detection limit of cyclohexanone in water is improved by at least 100 times compared to bare waveguides.

© 2020 The Author(s)

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More Like This
Waveguide-Enhanced Raman Spectroscopy Using a Mesoporous Silica Sorbent Layer for Volatile Organic Compound (VOC) Sensing

Haolan Zhao, Ali Raza, Bettina Baumgartner, Stéphane Clemmen, Bernhard Lendl, Andre Skirtach, and Roel Baets
STh1F.7 CLEO: Science and Innovations (CLEO_SI) 2019

Porous Silica Enrichment Films on Integrated Waveguides for Broadband Mid-IR Spectroscopic Trace Analysis

Bettina Baumgartner, Nuria Teigell Beneitez, Jeroen Missine, Sanja Radosavljevic, Dominik Wacht, Gunther Roelkens, and Bernhard Lendl
ETh2A.4 Optics and Photonics for Sensing the Environment (ES) 2021

Nanotriangle Decorated Silicon Nitride Waveguides for Integrated Surface-Enhanced Raman Spectroscopy

Pieter C. Wuytens, Andre G. Skirtach, and Roel Baets
STh1M.8 CLEO: Science and Innovations (CLEO_SI) 2017

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