Nanostructured metal oxide semiconductor-based sensors for greenhouse gas detection: Progress and challenges
Climate change and global warming have been two massive concerns for the scientific
community during the last few decades. Anthropogenic emissions of greenhouse gases …
community during the last few decades. Anthropogenic emissions of greenhouse gases …
Miniaturized anti-interference cantilever-enhanced fiber-optic photoacoustic methane sensor
To realize all-optical passive detection of CH 4 in narrow spaces and harsh environments, a
compact cantilever-enhanced fiber-optic photoacoustic sensor (CEFPS) resistant to …
compact cantilever-enhanced fiber-optic photoacoustic sensor (CEFPS) resistant to …
Miniature single-fiber photoacoustic sensor for methane gas leakage detection
A miniature single-fiber photoacoustic (PA) sensor was designed and proposed for the
detection of trace amount of methane gas. A Fabry-Perot (FP) interferometric cantilever was …
detection of trace amount of methane gas. A Fabry-Perot (FP) interferometric cantilever was …
Quartz-enhanced photoacoustic spectroscopy for hydrocarbon trace gas detection and petroleum exploration
Quartz-enhanced photoacoustic spectroscopy represents a valuable candidate for natural
gas analysis in the oil & gas field. The core element of this spectroscopy technique is a …
gas analysis in the oil & gas field. The core element of this spectroscopy technique is a …
Miniature diffusive mid-infrared photoacoustic gas sensor for carbon dioxide detection
X Huang, Z Wang, J Zhao, Y Zhang, S **… - Infrared Physics & …, 2024 - Elsevier
A low-cost miniature diffusive infrared photoacoustic (PA) sensor (MDIPS) was proposed
and designed for the detection of carbon dioxide. To reduce the volume and the power …
and designed for the detection of carbon dioxide. To reduce the volume and the power …
Fiber-ring laser intracavity QEPAS gas sensor using a 7.2 kHz quartz tuning fork
A novel trace gas sensor exploiting fiber-ring laser intracavity quartz-enhanced
photoacoustic spectroscopy (FLI-QEPAS) is reported. The gas sensor system couples an …
photoacoustic spectroscopy (FLI-QEPAS) is reported. The gas sensor system couples an …
[HTML][HTML] Multivariate analysis and digital twin modelling: Alternative approaches to evaluate molecular relaxation in photoacoustic spectroscopy
A comparative analysis of two different approaches developed to deal with molecular
relaxation in photoacoustic spectroscopy is here reported. The first method employs a …
relaxation in photoacoustic spectroscopy is here reported. The first method employs a …
A laser-based multipass absorption sensor for sub-ppm detection of methane, acetylene and ammonia
A compact, sensitive laser-based absorption sensor for multispecies monitoring of methane
(CH4), acetylene (C2H2) and ammonia (NH3) was developed using a compact multipass …
(CH4), acetylene (C2H2) and ammonia (NH3) was developed using a compact multipass …
Micro-nano fiber-assisted active photoacoustic spectroscopy for gas sensing
We report on the development of all-fiber active photoacoustic spectroscopy, where active
photoacoustic effect is generated by embedding a micro-nano fiber inside a fiber laser …
photoacoustic effect is generated by embedding a micro-nano fiber inside a fiber laser …
Investigation and optimization of a line-locked quartz enhanced spectrophone for rapid carbon dioxide measurement
We have developed a rapid quartz enhanced spectrophone for carbon dioxide (CO2)
measurement, in which the laser wavelength was tightly locked to a CO2 absorption line and …
measurement, in which the laser wavelength was tightly locked to a CO2 absorption line and …