Multi-Species Continuous Gas Detection with Supercontinuum Laser at Telecommunication Wavelength

Abubakar Isa Adamu, Manoj Kumar Dasa, Ole Bang, Christos Markos

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    Abstract

    Supercontinuum (SC) lasers provide an excellent opportunity for absorption spectroscopy by virtue of their high brightness and large bandwidth. Here we present the detection of multiple industrial toxic gasses from 1480 nm to 1700 nm, with a simple custom SC laser source. Using readily available optical components, we demonstrate an all-fiber system for the detection of ammonia (NH3) and methane (CH4) in a 2.4 m long hollow-core photonic bandgap fiber with 20-lm core diameter. The responsivity, selectivity, and performance of the system for continuous detection are demonstrated.
    Original languageEnglish
    JournalIEEE Sensors Journal
    Volume20
    Issue number18
    Pages (from-to)10591 - 10597
    ISSN1530-437X
    DOIs
    Publication statusPublished - 2020

    Keywords

    • Optoelectronic and photonic sensors
    • Gas sensors
    • Environmental monitoring
    • Optical fiber sensors

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