Disturbance-immune, fast response LITES gas sensor based on out-plane vibration mode employing micro Fabry-Perot cavity with heterodyne phase demodulation

Z Lang, S Qiao, Y He, Y Ma - Sensors and Actuators B: Chemical, 2024 - Elsevier
The disturbance-immune, fast response light-induced thermoelastic spectroscopy (LITES)
gas sensor based on out-plane vibration (OPV) mode employing micro Fabry-Perot cavity …

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 …

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 …

Multi-component Freon gas detection based on infrared tunable Fabry-Perot detector

K Chen, D Cui, H Qi, L Yang, X Zhao - Sensors and Actuators B: Chemical, 2024 - Elsevier
A multi-component Freon gas sensing system was developed based on the non-dispersive
infrared (NDIR) spectroscopy, which had the advantages of simple structure and low cost …

Fiber-Optic Photoacoustic Gas Microprobe Based on Linear Spot-Type Multipass Cell

H Wang, Y Xu, J Zhang, X Zhao, Z Zhang… - Analytical …, 2025 - ACS Publications
A linear spot-type multipass cell-enhanced fiber-optic photoacoustic gas microprobe is
proposed. To further reduce the volume of the gas chamber and enhance the photoacoustic …

Cantilever-Enhanced Fiber-Optic Photoacoustic Spectrophone for Low-Pressure Gas Detection

C Li, X Han, M Guo, H Qi, J Zhang, X Zhao… - Analytical …, 2025 - ACS Publications
A cantilever-enhanced fiber-optic photoacoustic (PA) spectrophone is reported for trace gas
detection at a low-pressure environment. A cantilever-based fiber-optic Fabry–Perot (F–P) …

Ppb-Level Ammonia Sensor for Exhaled Breath Diagnosis Based on UV-DOAS Combined with Spectral Reconstruction Fitting Neural Network

R Zhu, Q Zhou, Q Tian, S Zhao, W Qin, X Wu, S Xu… - ACS …, 2024 - ACS Publications
Ammonia (NH3) in exhaled breath (EB) has been a biomarker for kidney function, and
accurate measurement of NH3 is essential for early screening of kidney disease. In this …

[HTML][HTML] Dual-tube MEMS-based spectrophone for sub-ppb mid-IR photoacoustic gas detection

SD Russo, J Pelini, IL Garcia, MC Canino, A Roncaglia… - Photoacoustics, 2024 - Elsevier
Nowadays, the scientific community and industry are increasingly pressed to provide
solutions for develo** compact and highly-performing trace-gas sensors for several …

[HTML][HTML] Miniature optical fiber photoacoustic spectroscopy gas sensor based on a 3D micro-printed planar-spiral spring optomechanical resonator

T Li, P Zhao, P Wang, KV Krishnaiah, W **, AP Zhang - Photoacoustics, 2024 - Elsevier
Photoacoustic spectroscopy (PAS) gas sensors based on optomechanical resonators
(OMRs) have garnered significant attention for ultrasensitive trace-gas detection. However, a …

[HTML][HTML] Open-closed single-tube on-beam tuning-fork-enhanced fiber-optic photoacoustic spectroscopy

Y Pan, L Fu, J Zhang, P Lu - Photoacoustics, 2024 - Elsevier
A proof-of-concept on-beam tuning-fork-enhanced photoacoustic sensor based on an open-
closed single-tube acoustic-microresonator (AmR) was proposed and investigated for the …