Towards laser-based open-path detection of hydrogen sulfide

Michal Nikodem; Dorota Stachowiak; Piotr Jaworski

doi:10.1117/12.2262970

23 December 2016 Towards laser-based open-path detection of hydrogen sulfide

Michal Nikodem, Dorota Stachowiak, Piotr Jaworski

Proceedings Volume 10142, 20th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics; 101420I (2016) https://doi.org/10.1117/12.2262970
Event: 20th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2016, Jasna, Slovakia

Abstract

In this work we analyze two aspects of our research towards a laser-based setup for open-path hydrogen sulfide detection. We demonstrate a compact and portable electronic part of the sensing system that can be constructed solely with commercially available, off-the-shelf components. Comparison with the setup that uses benchtop lock-in amplifier for signal demodulation is presented. We also discuss challenges in spectral modelling of H₂S transitions in the near-IR spectral region using the data available in HITRAN base. We show that in order to perform correct spectral simulations (for both direct absorption spectroscopy and wavelength modulation spectroscopy) appropriate corrections to the data available in the database have to be applied.

Citation Download Citation

Michal Nikodem, Dorota Stachowiak, and Piotr Jaworski "Towards laser-based open-path detection of hydrogen sulfide ", Proc. SPIE 10142, 20th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 101420I (23 December 2016); https://doi.org/10.1117/12.2262970

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