Open-path cavity ring-down methane sensor for mobile monitoring of natural gas emissions.
Sign Up to like & getrecommendations! Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.020084
Abstract: We present the design, development, and testing results of a novel laser-based cavity ring-down spectroscopy (CRDS) sensor for methane detection. The sensor is specifically oriented for mobile (i.e. vehicle deployed) monitoring of natural gas emissions… read more here.
Keywords: open path; cavity ring; gas emissions; natural gas ... See more keywords
Open-path multi-species remote sensing with a broadband optical parametric oscillator.
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DOI: 10.1364/oe.27.021358
Abstract: Open-path remote sensing is critical for monitoring fugitive emissions from industrial sites, where a variety of volatile organic compounds may be released. At ranges of only a few tens of metres, spatially coherent broadband mid-infrared… read more here.
Keywords: open path; broadband; remote sensing; optical parametric ... See more keywords
Fugitive methane detection using open-path stand-off chirped laser dispersion spectroscopy.
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DOI: 10.1364/ol.427837
Abstract: We report an open-path chirped laser dispersion spectrometer capable of detecting the atmospheric methane concentration above the background using both specular and diffusive reflective surfaces via two distinct operation modes in a stand-off detection configuration.… read more here.
Keywords: open path; spectroscopy; chirped laser; methane ... See more keywords
Assessment of Open-path Spectrometer Accuracy at Low Path-integrated Methane Concentrations
Sign Up to like & getrecommendations! Published in 2020 at "Atmosphere"
DOI: 10.3390/atmos11020184
Abstract: The accurate measurement of greenhouse gas emissions is a challenge for atmospheric science. Long-range open-path sensors are flexible enough to be applied to a variety of complex emission sources, and single devices are often used… read more here.
Keywords: path integrated; integrated concentrations; path; low path ... See more keywords