Advances in fiber-optic extrinsic Fabry–Perot interferometric physical and mechanical sensors: A review
Fabry–Perot interferometers (FPIs) have found a multitude of scientific and industrial
applications ranging from gravitational wave detection, high-resolution spectroscopy, and …
applications ranging from gravitational wave detection, high-resolution spectroscopy, and …
Programmable and modularized gas sensor integrated by 3D printing
The rapid advancement of intelligent manufacturing technology has enabled electronic
equipment to achieve synergistic design and programmable optimization through computer …
equipment to achieve synergistic design and programmable optimization through computer …
[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 methane detection based on QEPAS and H-QEPAS technologies combined with a self-designed 8.7 kHz quartz tuning fork
T Liang, S Qiao, Y Chen, Y He, Y Ma - Photoacoustics, 2024 - Elsevier
Methane (CH 4) is a greenhouse gas as well as being flammable and explosive. In this
manuscript, quartz-enhanced photoacoustic spectroscopy (QEPAS) and heterodyne QEPAS …
manuscript, quartz-enhanced photoacoustic spectroscopy (QEPAS) and heterodyne QEPAS …
Multi-pass Differential Photoacoustic Sensor for Real-Time Measurement of SF6 Decomposition Component H2S at the ppb Level
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 …
background gas based on a multi-pass differential photoacoustic cell (MDPC) and a near …
Ultrahigh sensitive trace gas sensing system with dual fiber-optic cantilever multiplexing-based differential photoacoustic detection
An ultrahigh sensitive trace gas sensing system was presented with dual cantilever-based
differential photoacoustic detection. By combining the double enhancement of multipass …
differential photoacoustic detection. By combining the double enhancement of multipass …
[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 …
Ultra-highly sensitive dual gases detection based on photoacoustic spectroscopy by exploiting a long-wave, high-power, wide-tunable, single-longitudinal-mode solid …
S Qiao, Y He, H Sun, P Patimisco… - Light: Science & …, 2024 - nature.com
Photoacoustic spectroscopy (PAS) as a highly sensitive and selective trace gas detection
technique has extremely broad application in many fields. However, the laser sources …
technique has extremely broad application in many fields. However, the laser sources …
High-precision photoacoustic nitrogen dioxide gas analyzer for fast dynamic measurement
A high-precision photoacoustic (PA) gas analyzer for fast dynamic measurement of ambient
nitrogen dioxide (NO2) was developed. The PA analyzer used a differential PA cell …
nitrogen dioxide (NO2) was developed. The PA analyzer used a differential PA cell …
Highly sensitive multi-pass cavity enhanced Raman spectroscopy with novel polarization filtering for quantitative measurement of SF6 decomposed components in …
J Wang, P Wang, W Chen, F Wan, Y Lu, Z Tang… - Sensors and Actuators B …, 2023 - Elsevier
The decomposed components analysis (DCA) is highly valued for potential faults diagnosis
in SF 6 gas-insulated power equipment (GIE). The current method and technology for …
in SF 6 gas-insulated power equipment (GIE). The current method and technology for …