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 …
Cantilever enhanced fiber-optic photoacoustic microprobe for diffusion detection of sulfur dioxide
A cantilever enhanced fiber-optic photoacoustic microprobe with the cavity volume of only
119 μL is designed to detect SO 2, which has the obvious advantages of passive sensing …
119 μL is designed to detect SO 2, which has the obvious advantages of passive sensing …
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 …
Fiber-optic photoacoustic gas sensor with multiplexed fabry–pérot interferometric cantilevers
A fiber-optic photoacoustic (PA) gas sensor with multiplexed Fabry–Pérot (F–P)
interferometric cantilevers is demonstrated. A compact cylindrical nonresonant PA tube with …
interferometric cantilevers is demonstrated. A compact cylindrical nonresonant PA tube with …
High-Precision Multipass Fiber-Optic Photoacoustic Gas Analyzer Based on 2f/1f Wavelength Modulation Spectroscopy
A self-calibration fiber-optic photoacoustic (PA) gas analyzer based on 2 f/1 f wavelength
modulation spectroscopy (WMS) is proposed, which utilizes gas and solid multipass …
modulation spectroscopy (WMS) is proposed, which utilizes gas and solid multipass …
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 …
gas sensor based on out-plane vibration (OPV) mode employing micro Fabry-Perot cavity …
Differential Cantilever Enhanced Fiber-Optic Photoacoustic Sensor for Diffusion Gas Detection
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 …
external vibration and noise, a differential cantilever enhanced fiber-optic PA sensor is …
Rapid photoacoustic exhaust gas analyzer for simultaneous measurement of nitrogen dioxide and sulfur dioxide
A rapid photoacoustic (PA) exhaust gas analyzer is presented for simultaneous
measurements of nitrogen dioxide (NO2) and sulfur dioxide (SO2). A laser diode (LD) …
measurements of nitrogen dioxide (NO2) and sulfur dioxide (SO2). A laser diode (LD) …
Fiber-optic trace gas sensing based on graphite excited photoacoustic wave
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 …
reported. The modulated laser light absorbed by the gas is incident on a graphite sheet. The …
All-optical photoacoustic detection of SF6 decomposition component SO2 based on fiber-coupled UV-LED
An all-optical photoacoustic sensor for measuring the concentration of SF 6 decomposition
derivative SO 2 was designed, whose detection limit was in the order of ppb-level. An UV …
derivative SO 2 was designed, whose detection limit was in the order of ppb-level. An UV …