Publication

Multi-gas spectroscopy using tailored mid-IR dispersive wave generated in Si3N4 waveguide

Camille Sophie Brès, Davide Grassani, Fan Yang, Eirini Tagkoudi
2021
Conference Papers

Abstract

We demonstrate simultaneous detection of acetylene, methane and ethane using milliwatt-level dispersive-wave generated in a Si3N4 waveguide covering 2900 cm-1-3380 cm-1 spectral region. This simple mid-IR absorption spectroscopy scheme achieves hundreds of ppm detection limit.

Official source

https://infoscience.epfl.ch/entities/publication/573bcd38-fdc4-4a25-9503-52754d70b8fd

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Multi-gas spectroscopy using tailored mid-IR dispersive wave generated in Si3N4 waveguide

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