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

Tagkoudi, Eirini; Grassani, Davide; Yang, Fan; Brès, Camille‐Sophie

doi:10.1364/mics.2020.mf1c.3

OSA High-Brightness Sources and Light-Driven Interactions Congress 2020 (EUVXRAY, HILAS, MICS) 2020

DOI: 10.1364/mics.2020.mf1c.3

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

Eirini Tagkoudi

Davide Grassani

Fan Yang

et al.

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.

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

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.

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References 3 publications

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