Fiber-optic photoacoustic gas sensing: a review
Fiber-optic photoacoustic (PA) sensing has important applications in trace gas detection.
The fiber-optic Fabry-Perot acoustic sensor implemented applying a cantilever is a novel …
The fiber-optic Fabry-Perot acoustic sensor implemented applying a cantilever is a novel …
Techniques to enhance the photoacoustic signal for trace gas sensing: A review
Photoacoustic spectroscopy (PAS), which relies on the detection of absorption-induced
acoustic waves, is widely used for gas sensing. This paper summarizes and discusses most …
acoustic waves, is widely used for gas sensing. This paper summarizes and discusses most …
[HTML][HTML] Highly sensitive photoacoustic acetylene detection based on differential photoacoustic cell with retro-reflection-cavity
C Zhang, S Qiao, Y Ma - Photoacoustics, 2023 - Elsevier
In this paper, a highly sensitive photoacoustic spectroscopy (PAS) sensor based on retro-
reflection-cavity-enhanced differential photoacoustic cell (DPAC) is demonstrated for the first …
reflection-cavity-enhanced differential photoacoustic cell (DPAC) is demonstrated for the first …
[HTML][HTML] High-sensitivity trace gas detection based on differential Helmholtz photoacoustic cell with dense spot pattern
C Zhang, Y He, S Qiao, Y Liu, Y Ma - Photoacoustics, 2024 - Elsevier
A high-sensitivity photoacoustic spectroscopy (PAS) sensor based on differential Helmholtz
photoacoustic cell (DHPAC) with dense spot pattern is reported in this paper for the first time …
photoacoustic cell (DHPAC) with dense spot pattern is reported in this paper for the first time …
Dual-frequency modulated heterodyne quartz-enhanced photoacoustic spectroscopy
Z Lang, S Qiao, T Liang, Y He, L Qi, Y Ma - Optics Express, 2023 - opg.optica.org
A novel dual-frequency modulated heterodyne quartz-enhanced photoacoustic
spectroscopy (DFH-QEPAS) was demonstrated for what we believe to be the first time in this …
spectroscopy (DFH-QEPAS) was demonstrated for what we believe to be the first time in this …
New temperature measurement method based on light-induced thermoelastic spectroscopy
X Liu, Y Ma - Optics Letters, 2023 - opg.optica.org
A new temperature measurement method based on light-induced thermoelastic
spectroscopy (LITES) was demonstrated for the first time, to the best of our knowledge, in …
spectroscopy (LITES) was demonstrated for the first time, to the best of our knowledge, in …
Differential integrating sphere-based photoacoustic spectroscopy gas sensing
C Zhang, Y He, S Qiao, Y Ma - Optics Letters, 2023 - opg.optica.org
In this Letter, a differential integrating sphere-based photoacoustic spectroscopy (PAS) gas
sensor is proposed for the first time to our knowledge. The differential integrating sphere …
sensor is proposed for the first time to our knowledge. The differential integrating sphere …
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 …
Direct absorption and photoacoustic spectroscopy for gas sensing and analysis: a critical review
Optical spectroscopy has a broad scientific basis in chemistry, physics, and material science,
with diverse applications in medicine, pharmaceuticals, agriculture, and environmental …
with diverse applications in medicine, pharmaceuticals, agriculture, and environmental …
[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 …