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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 …
A review of all-optical photoacoustic spectroscopy as a gas sensing method
T Yang, W Chen, P Wang - Applied spectroscopy reviews, 2021 - Taylor & Francis
Photoacoustic spectroscopy (PAS) is an ultrasensitive method for gas sensing, which
usually using a capacitive microphone as a signal detector. However, the electric nature of …
usually using a capacitive microphone as a signal detector. However, the electric nature of …
[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 …
Differential quartz-enhanced photoacoustic spectroscopy
C Zhang, S Qiao, Y He, S Zhou, L Qi, Y Ma - Applied Physics Letters, 2023 - pubs.aip.org
In this paper, a differential quartz-enhanced photoacoustic spectroscopy (D-QEPAS) sensor
is reported. The differential photoacoustic cell (PAC) was used to generate the …
is reported. The differential photoacoustic cell (PAC) was used to generate the …
Dense multibutterfly spots-enhanced miniaturized optical fiber photoacoustic gas sensor
A miniaturized optical fiber photoacoustic gas sensor enhanced by dense multibutterfly
spots is reported for the first time. The principle of space light transmission of neglecting …
spots is reported for the first time. The principle of space light transmission of neglecting …
[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 …
[HTML][HTML] Integrated near-infrared fiber-optic photoacoustic sensing demodulator for ultra-high sensitivity gas detection
An integrated near-infrared fiber-optic photoacoustic sensing demodulator was established
for ultra-high sensitivity gas detection. The demodulator has capacities of interference …
for ultra-high sensitivity gas detection. The demodulator has capacities of interference …
Fiber optic photoacoustic gas sensor enhanced by multi-pass cell with overlap** phantom spots
A neotype fiber optic photoacoustic gas sensor with overlap** phantom spots based multi-
pass is proposed, which greatly improves the reflection times and the length of gas …
pass is proposed, which greatly improves the reflection times and the length of gas …
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 …
Ultra-high sensitive photoacoustic gas detector based on differential multi-pass cell
We designed and manufactured a set of high-sensitivity photoacoustic (PA) gas detector
based on differential multi-pass cell (DMPC) with a chamber volume of only 162 mL, which …
based on differential multi-pass cell (DMPC) with a chamber volume of only 162 mL, which …