Atmospheric CH4 measurement near a landfill using an ICL-based QEPAS sensor with V-T relaxation self-calibration

Hongpeng Wu, Lei Dong, Xukun Yin, +8

Sensors and Actuators B Chemical

Pollution DetectionEnvironmental MonitoringEngineeringAir SamplingEnvironmental Engineering +7

Quartz enhanced photoacoustic H2S gas sensor based on a fiber-amplifier source and a custom tuning fork with large prong spacing

Hongpeng Wu, Angelo Sampaolo, Lei Dong, +10

Applied Physics Letters

EngineeringGas SensorCustom QuartzFiber OpticsAcoustic Sensor +16

ppb-Level SO₂ Photoacoustic Sensors with a Suppressed Absorption–Desorption Effect by Using a 7.41 μm External-Cavity Quantum Cascade Laser

Xukun Yin, Hongpeng Wu, Lei Dong, +7

ACS Sensors

Sub-ppb nitrogen dioxide detection with a large linear dynamic range by use of a differential photoacoustic cell and a 3.5 W blue multimode diode laser

Xukun Yin, Lei Dong, Hongpeng Wu, +6

Sensors and Actuators B Chemical

EngineeringLaser PhotochemistryDifferential Photoacoustic CellOptical DiagnosticsSpectroscopy +3

Enhanced near-infrared QEPAS sensor for sub-ppm level H2S detection by means of a fiber amplified 1582 nm DFB laser

Hongpeng Wu, Lei Dong, Huadan Zheng, +7

Sensors and Actuators B Chemical

PhotonicsPhotonic SensorEngineeringNm Dfb LaserSpectroscopy +7

Single-tube on-beam quartz-enhanced photoacoustic spectroscopy

Huadan Zheng, Lei Dong, Angelo Sampaolo, +9

Optics Letters

Ppb-level photoacoustic sensor system for saturation-free CO detection of SF6 decomposition by use of a 10 W fiber-amplified near-infrared diode laser

Xukun Yin, Hongpeng Wu, Lei Dong, +6

Sensors and Actuators B Chemical

EngineeringOptical PropertiesSpectroscopyInfrared SpectroscopySf6 Decomposition +5

Simultaneous dual-gas QEPAS detection based on a fundamental and overtone combined vibration of quartz tuning fork

Hongpeng Wu, Xukun Yin, Lei Dong, +11

Applied Physics Letters

Photonic SensorVibrationsEngineeringOptical PropertiesSpectroscopy +9

Near-infrared laser photoacoustic gas sensor for simultaneous detection of CO and H₂S

Xukun Yin, Miao Gao, Ruiqi Miao, +5

Optics Express

Highly sensitive broadband differential infrared photoacoustic spectroscopy with wavelet denoising algorithm for trace gas detection

Lixian Liu, Huiting Huan, Wei Li, +7

Photoacoustics