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 …

[HTML][HTML] A Review on Photoacoustic Spectroscopy Techniques for Gas Sensing

DR Wijesinghe, MA Zobair, M Esmaeelpour - Sensors, 2024 - mdpi.com
The rapid growth of industry and the global drive for modernization have led to an increase
in gas emissions, which present significant environmental and health risks. As a result, there …

Pressure-Compensated Fiber-Optic Photoacoustic Sensors for Trace SO2 Analysis in Gas Insulation Equipment

X Zhao, Y Zhang, X Han, H Qi, F Ma… - Analytical …, 2024 - ACS Publications
A high-sensitivity fiber-optic photoacoustic sensor with pressure compensation is proposed
to analyze the decomposition component SO2 in high-pressure gas insulation equipment …

Dense multibutterfly spots-enhanced miniaturized optical fiber photoacoustic gas sensor

X Zhao, H Qi, H Wang, X Wang, M Guo… - Analytical …, 2024 - ACS Publications
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 …

All-optical photoacoustic spectroscopy-based dual-component greenhouse gas analyzer

M Guo, M Zhou, B Yang, X Zhao, C Li, Q Yu… - Analytical …, 2024 - ACS Publications
To achieve high sensitivity detection of dual-component greenhouse gases carbon dioxide
and methane simultaneously, a multimechanism synergistic enhanced all-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 …

Photoacoustic spectroscopy based on vertical cruciform multi-stepped photoacoustic cell achieving ppb-level acetylene detection

S Xu, Q Wang, Z Zhu, J Wang, X Zou, Z Li… - Sensors and Actuators B …, 2024 - Elsevier
A photoacoustic spectroscopy (PAS) based on vertical cruciform multi-stepped
photoacoustic cell (CMS-PAC) was developed to achieve highly sensitive detection of trace …

MXene supported surface plasmon polaritons for optical microfiber ammonia sensing

H Li, K Yang, H Hu, C Qin, B Yu, S Zhou… - Analytical …, 2024 - ACS Publications
The properties of surface plasmons are notoriously dependent on the supporting materials
system. However, new capabilities cannot be obtained until the technique of surface …

Resonant Cell-Based 1f Photoacoustic Gas Analyzer Immune to Light Power Fluctuation and Frequency Mismatch

X Wang, L Tian, Y Xu, J Wu, X Guo, K Chen… - Analytical …, 2024 - ACS Publications
To overcome the light power fluctuation and frequency mismatch in photoacoustic
spectroscopy (PAS), we proposed a self-corrected 1 f-only resonant cell-based PAS (1 f …

High sensitivity measurement of seawater velocity based on panda fiber coupled aluminum-cantilever

L Sun, Y Li, J Meng, X Chen, Q Li, Z Liu, S Wang… - Optik, 2024 - Elsevier
A target-type fiber optic velocity sensor is presented based on panda fiber attached to
aluminum-cantilever, and experimentally demonstrated high sensitivity and precision …