Detection of ethane, methane, formaldehyde and water vapor in the 3.33 μm range [PDF]
Metrology and Measurement Systems, 2022 We describe construction and investigation results of optical trace gas sensor working in the 3.334–3.337 μm spectral range. Laser spectroscopy was performed with a multipass cell.
Mateusz Winkowski, Tadeusz Stacewicz
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Characterization and verification of ACAM slit functions for trace-gas retrievals during the 2011 DISCOVER-AQ flight campaign [PDF]
Atmospheric Measurement Techniques, 2015 The Airborne Compact Atmospheric Mapper (ACAM), an ultraviolet/visible/near-infrared spectrometer, has been flown on board the NASA UC-12 aircraft during the Deriving Information on Surface Conditions from Column and Vertically Resolved Observations ...
C. Liu +7 more
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Optical gas sensing: a review [PDF]
, 2013 The detection and measurement of gas concentrations using the characteristic optical absorption of the gas species is important for both understanding and monitoring a variety of phenomena from industrial processes to environmental change.
Hodgkinson, Jane, Tatam, Ralph P.
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Detection of a simulated gas leak in a wind tunnel [PDF]
, 2006 This paper brings together considerations of gas leak behaviour and leak detector design and use, with a view to improving the detection of low-pressure natural gas leaks.
Shan, Q. +2 more
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Photoacoustic methane detection inside a MEMS microphone
Photoacoustics, 2023 An innovative laser based photoacoustic (PA) gas sensing concept with intrinsic miniaturization potential was developed and investigated for methane trace gas detection.
Thomas Strahl +4 more
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PLoS ONE, 2022 A quantitative monitoring system for fractional exhaled nitric oxide (FENO) in homes is very important for the control of respiratory diseases such as asthma.
Pengjiao Sun, Yunbo Shi, Yeping Shi
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Assessing the ability to derive rates of polar middle-atmospheric descent using trace gas measurements from remote sensors [PDF]
Atmospheric Chemistry and Physics, 2018 We investigate the reliability of using trace gas measurements from remote sensing instruments to infer polar atmospheric descent rates during winter within 46–86 km altitude. Using output from the Specified Dynamics Whole Atmosphere Community Climate
N. J. Ryan +6 more
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Non-dispersive infra-red (NDIR) measurement of carbon dioxide at 4.2μm in a compact and optically efficient sensor [PDF]
, 2013 Non-dispersive infra-red (NDIR) gas detection has enjoyed widespread uptake as a result of development of devices in the standard miniature format for gas sensors, consisting of a cylinder with external dimensions of 20mm diameter x 16.5mm height.
Hodgkinson, Jane +4 more
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Absorbance based light emitting diode optical sensors and sensing devices [PDF]
, 2008 The ever increasing demand for in situ monitoring of health, environment and security has created a need for reliable, miniaturised sensing devices. To achieve this, appropriate analytical devices are required that possess operating characteristics of ...
O'Toole, Martina +5 more
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Towards imaging of atmospheric trace gases using Fabry–Pérot interferometer correlation spectroscopy in the UV and visible spectral range [PDF]
Atmospheric Measurement Techniques, 2019 Many processes in the lower atmosphere including transport, turbulent mixing and chemical conversions happen on timescales of the order of seconds (e.g. at point sources). Remote sensing of atmospheric trace gases in the UV and visible spectral range (UV–
J. Kuhn +6 more
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