Multi-pass Differential Photoacoustic Sensor for Real-Time Measurement of SF6 Decomposition Component H2S at the ppb Level

X Zhao, M Guo, D Cui, C Li, H Qi, K Chen… - Analytical …, 2023 - ACS Publications
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 …

Cantilever enhanced fiber-optic photoacoustic microprobe for diffusion detection of sulfur dioxide

X Zhao, H Qi, Z Wang, F Ma, C Li, M Guo… - Sensors and Actuators B …, 2024 - Elsevier
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 …

[HTML][HTML] Compact optical fiber photoacoustic gas sensor with integrated multi-pass cell

E Fan, H Liu, C Wang, J Ma, BO Guan - Photoacoustics, 2023 - Elsevier
Optical fiber acoustic sensors with miniature size and high sensitivity are attractive to
develop compact photoacoustic spectroscopy. Here, a compact photoacoustic gas sensor …

[HTML][HTML] A fast sensor for non-intrusive measurement of concentration and temperature in turbine exhaust

R Zhang, J Xia, I Ahmed, A Gough, I Armstrong… - Sensors and Actuators B …, 2023 - Elsevier
Accurate and rapid measurement of water vapor concentration and temperature in the
exhaust of gas turbine engines is critical for monitoring their health and operational …

A laser absorption sensor for fuel slip monitoring in high-humidity flue gases from ammonia combustion

L Ma, W Wang, C Zhou, Y Wang - Measurement Science and …, 2023 - iopscience.iop.org
Ammonia has been recently recognized as a promising carbon-free fuel to help decarbone
both the power and industrial heating sectors. However, fuel slip during ammonia …

A near-infrared multi-gas sensor based on IWTD-CEEMDAN and WOA-BiLSTM for detection of CH4 and NH3 leaked in industrial production

G Li, Y Song, H Zhao, E Dong, J Li, L Jia, Y Liu… - Infrared Physics & …, 2023 - Elsevier
A multi-gas trace sensor based on tunable diode laser absorption spectroscopy (TDLAS)
with two distributed feedback (DFB) lasers is designed, which was applied to measure …

A multi-laser hybrid absorption sensor for simultaneous measurement of NH3, NO, and temperature in denitrification flue gas

S Guo, J Li, Y Wei, Y Yang, Z Lu, X Xing, W Ren… - Infrared Physics & …, 2024 - Elsevier
The real-time monitoring of NH 3, NO, and flue gas temperatures is critical to controlling NO
x emissions from coal-fired power plants, reducing ammonia slip, and realizing accurate …

Simultaneous Measurement of Multiparameter of Diesel Engine Exhaust Based on Mid-infrared Laser Absorption Spectroscopy

Y Li, X Yang, J Li, Z Du - IEEE Transactions on Instrumentation …, 2023 - ieeexplore.ieee.org
Exhaust parameters of an engine carry vital information that can help to understand its
transient duty cycles. We developed a mid-infrared wavelength modulation spectroscopic …

Quantum cascade laser absorption sensor for in-situ, real-time and sensitive measurement of high-temperature SO2 and SO3

K Duan, D Wen, Y Ji, K Xu, Z Huang, X Zhang… - … Acta Part A: Molecular …, 2024 - Elsevier
We report a mid-infrared quantum cascade laser absorption sensor capable of measuring
SO 2 and SO 3 simultaneously and sensitively at elevated temperatures. In the sensor …

[HTML][HTML] Coherent mid-infrared supercontinuum generation in tellurite all-solid microstructured optical fibers with anomalous and normal dispersion property

TK Phan, LD Vu, HPT Nguyen, Y Ohishi - Results in Optics, 2023 - Elsevier
Tellurite all-solid hybrid microstructured optical fibers (ASHMOFs) can be used to generate
supercontinua with broad bandwidths in both anomalous and normal dispersion regimes. In …