[HTML][HTML] Quartz-enhanced photoacoustic spectroscopy for multi-gas detection: A review
Multi-gas detection represents a suitable solution in many applications, such as
environmental and atmospheric monitoring, chemical reaction and industrial process …
environmental and atmospheric monitoring, chemical reaction and industrial process …
Quartz-enhanced photoacoustic spectroscopy: a review
A detailed review on the development of quartz-enhanced photoacoustic sensors (QEPAS)
for the sensitive and selective quantification of molecular trace gas species with resolved …
for the sensitive and selective quantification of molecular trace gas species with resolved …
Fiber-optic photoacoustic gas sensor with multiplexed fabry–pérot interferometric cantilevers
A fiber-optic photoacoustic (PA) gas sensor with multiplexed Fabry–Pérot (F–P)
interferometric cantilevers is demonstrated. A compact cylindrical nonresonant PA tube with …
interferometric cantilevers is demonstrated. A compact cylindrical nonresonant PA tube with …
[HTML][HTML] High-concentration methane and ethane QEPAS detection employing partial least squares regression to filter out energy relaxation dependence on gas …
A quartz enhanced photoacoustic spectroscopy (QEPAS) sensor capable to detect high
concentrations of methane (C1) and ethane (C2) is here reported. The hydrocarbons …
concentrations of methane (C1) and ethane (C2) is here reported. The hydrocarbons …
[HTML][HTML] Ppb-level detection of methane based on an optimized T-type photoacoustic cell and a NIR diode laser
This paper presents an optimized T-type resonant photoacoustic (PA) cell for methane (CH
4) gas detection. The noise transmission coefficients and PA field distributions of the T-type …
4) gas detection. The noise transmission coefficients and PA field distributions of the T-type …
QEPAS spectrophones: design, optimization, and performance
The impact of design parameters of a spectrophone for quartz-enhanced photoacoustic
spectroscopy on its performance was investigated. The microresonator of spectrophone is …
spectroscopy on its performance was investigated. The microresonator of spectrophone is …
[HTML][HTML] Integrated near-infrared QEPAS sensor based on a 28 kHz quartz tuning fork for online monitoring of CO2 in the greenhouse
Y Liu, H Lin, BAZ Montano, W Zhu, Y Zhong, R Kan… - Photoacoustics, 2022 - Elsevier
In this paper, a highly sensitive and integrated near-infrared CO 2 sensor was developed
based on quartz-enhanced photoacoustic spectroscopy (QEPAS). Unlike traditional QEPAS …
based on quartz-enhanced photoacoustic spectroscopy (QEPAS). Unlike traditional QEPAS …
Sensitive methane detection based on quartz-enhanced photoacoustic spectroscopy with a high-power diode laser and wavelet filtering
Y Li, R Wang, FK Tittel, Y Ma - Optics and Lasers in Engineering, 2020 - Elsevier
Quartz-enhanced photoacoustic spectroscopy (QEPAS) based methane (CH 4) detection
using a high power continuous wave (CW), single mode diode laser with an emission …
using a high power continuous wave (CW), single mode diode laser with an emission …
[HTML][HTML] Quartz-enhanced photoacoustic spectroscopy exploiting low-frequency tuning forks as a tool to measure the vibrational relaxation rate in gas species
We demonstrated that quartz-enhanced photoacoustic spectroscopy (QEPAS) is an efficient
tool to measure the vibrational relaxation rate of gas species, employing quartz tuning forks …
tool to measure the vibrational relaxation rate of gas species, employing quartz tuning forks …
Analysis of the electro-elastic properties of custom quartz tuning forks for optoacoustic gas sensing
We report a detailed experimental and theoretical analysis of the influence of quartz tuning
fork (QTF) dimensions on the main physical parameters controlling the QTF performance …
fork (QTF) dimensions on the main physical parameters controlling the QTF performance …