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

Zuyang Liu; Zuyang Liu; Haolan Zhao; Haolan Zhao; Bettina Baumgartner; Bernhard Lendl; Andre Skirtach; Andre Skirtach; Nicolas Le Thomas; Nicolas Le Thomas; Roel Baets; Roel Baets

doi:10.1364/CLEO_SI.2020.SF2N.6

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2020),
paper SF2N.6
•https://doi.org/10.1364/CLEO_SI.2020.SF2N.6

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

Zuyang Liu, Haolan Zhao, Bettina Baumgartner, Bernhard Lendl, Andre Skirtach, Nicolas Le Thomas, and Roel Baets

CLEO: Science and Innovations 2020

Washington, DC United States
10–15 May 2020
ISBN: 978-1-943580-76-7

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Applied Chemical Sensing (SF2N)

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Z. Liu, H. Zhao, B. Baumgartner, B. Lendl, A. Skirtach, N. Le Thomas, and R. Baets, "Ultra-sensitive silicon nitride waveguide-enhanced Raman spectroscopy for aqueous solutions of organic compounds," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2020), paper SF2N.6.

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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.

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