Programmable and modularized gas sensor integrated by 3D printing

S Zhou, Y Zhao, Y Xun, Z Wei, Y Yang, W Yan… - Chemical …, 2024‏ - ACS Publications
The rapid advancement of intelligent manufacturing technology has enabled electronic
equipment to achieve synergistic design and programmable optimization through computer …

Fiber-optic photoacoustic gas sensing: a review

X Zhao, HC Qi, Y Xu, C Li, M Guo… - Applied Spectroscopy …, 2025‏ - Taylor & Francis
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 …

Multiplexed fiber-optic photoacoustic sensors for simultaneous detection of multi-point gases

C Li, X Han, F Ma, X Zhao, Z Wang, H Qi, M Guo… - Sensors and Actuators B …, 2024‏ - Elsevier
A multiplexing scheme of fiber-optic photoacoustic (PA) gas sensors is demonstrated for
simultaneous detection of multi-point gases. By sharing the PA demodulation device, the …

Fiber-optic trace gas sensing based on graphite excited photoacoustic wave

X Han, C Li, M Guo, X Zhao, Z Wang, H Qi… - Sensors and Actuators B …, 2024‏ - Elsevier
A fiber-optic trace gas sensing system based on photoacoustic (PA) effect of solids is
reported. The modulated laser light absorbed by the gas is incident on a graphite sheet. The …

Differential cantilever enhanced fiber-optic photoacoustic sensor for diffusion gas detection

C Li, Y Zhang, M Guo, H Qi, X Zhao… - Analytical Chemistry, 2024‏ - ACS Publications
Aiming at the problem of the fiber-optic photoacoustic (PA) sensor being easily disturbed by
external vibration and noise, a differential cantilever enhanced fiber-optic PA sensor is …

[HTML][HTML] Integrated near-infrared fiber-optic photoacoustic sensing demodulator for ultra-high sensitivity gas detection

X Zhao, C Li, H Qi, J Huang, Y Xu, Z Wang, X Han… - Photoacoustics, 2023‏ - Elsevier
An integrated near-infrared fiber-optic photoacoustic sensing demodulator was established
for ultra-high sensitivity gas detection. The demodulator has capacities of interference …

Multi-pass Differential Photoacoustic Sensor for Real-Time Measurement of SF6 Decomposition Component H2S at the ppb Level

X Zhao, M Guo, D Cui, C Li, H Qi, K Chen… - Analytical …, 2023‏ - ACS Publications
We designed and implemented a photoacoustic (PA) sensor for H2S detection in SF6
background gas based on a multi-pass differential photoacoustic cell (MDPC) and a near …

Fiber-optic photoacoustic CO sensor for gas insulation equipment monitoring based on cantilever differential lock-in amplification and optical excitation enhancement

X Zhao, F Ma, H Wang, H Qi, C Li, M Guo… - Analytical …, 2024‏ - ACS Publications
A fiber-optic photoacoustic CO sensor for gas insulation equipment is proposed, which relies
on F–P interferometric cantilever-based differential lock-in amplification and optical …

Fiber optic photoacoustic gas sensor enhanced by multi-pass cell with overlap** phantom spots

X Zhao, H Wang, H Qi, Y Xu, M Guo, K Chen - Sensors and Actuators B …, 2024‏ - Elsevier
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 …

Fiber-optic photoacoustic gas microsensor dual enhanced by Helmholtz resonator and interferometric cantilever

C Li, X Han, M Guo, H Qi, H Wang, X Zhao… - Analytical …, 2024‏ - ACS Publications
A high-sensitivity fiber-optic photoacoustic (PA) gas microsensor is demonstrated with dual
enhancement based on acoustics and detection. Due to the characteristic of small size, a …