Laser absorption spectroscopy for combustion diagnosis in reactive flows: A review
Laser absorption spectroscopy (LAS) has been rapidly developed and widely applied to
combustion diagnosis in recent decades. As a cost-effective tool for measuring multiple …
combustion diagnosis in recent decades. As a cost-effective tool for measuring multiple …
Tunable diode laser absorption spectroscopy based temperature measurement with a single diode laser near 1.4 μm
X Liu, Y Ma - Sensors, 2022 - mdpi.com
The rapidly changing and wide dynamic range of combustion temperature in scramjet
engines presents a major challenge to existing test techniques. Tunable diode laser …
engines presents a major challenge to existing test techniques. Tunable diode laser …
Analysis of calibration-free wavelength-scanned wavelength modulation spectroscopy for practical gas sensing using tunable diode lasers
A novel strategy has been developed for analysis of wavelength-scanned, wavelength
modulation spectroscopy (WMS) with tunable diode lasers (TDLs). The method simulates …
modulation spectroscopy (WMS) with tunable diode lasers (TDLs). The method simulates …
CO concentration and temperature sensor for combustion gases using quantum-cascade laser absorption near 4.7 μm
A sensor for sensitive in situ measurements of carbon monoxide and temperature in
combustion gases has been developed using absorption transitions in the (v′= 1← v ″= 0) …
combustion gases has been developed using absorption transitions in the (v′= 1← v ″= 0) …
Sub-ppm CO detection in a sub-meter-long hollow-core negative curvature fiber using absorption spectroscopy at 2.3 μm
We demonstrated the sensitive CO detection in a novel hollow-core negative curvature fiber
(HC-NCF) with infrared laser absorption at 2.3 μm. The HC-NCF consists of a single ring of …
(HC-NCF) with infrared laser absorption at 2.3 μm. The HC-NCF consists of a single ring of …
Highly sensitive and selective CO sensor using a 2.33 μm diode laser and wavelength modulation spectroscopy
A ppm-level CO sensor based on a 2f wavelength modulation spectroscopy (2f-WMS)
technique was developed for the application of SF_6 decomposition analysis in an electric …
technique was developed for the application of SF_6 decomposition analysis in an electric …
Widely tunable 2.3 μm III-V-on-silicon Vernier lasers for broadband spectroscopic sensing
Heterogeneously integrating III-V materials on silicon photonic integrated circuits has
emerged as a promising approach to make advanced laser sources for optical …
emerged as a promising approach to make advanced laser sources for optical …
Dual gas sensor with innovative signal analysis based on neural network
J Sun, J Chang, Y Wei, Z Zhang, S Lin, F Wang… - Sensors and Actuators B …, 2022 - Elsevier
Carbon monoxide and methane dual gas sensor with low system complexity and high
stability is proposed in this study. A neural separator based on deep learning is developed …
stability is proposed in this study. A neural separator based on deep learning is developed …
Hydrogen sensor based on tunable diode laser absorption spectroscopy
V Avetisov, O Bjoroey, J Wang, P Geiser, KG Paulsen - Sensors, 2019 - mdpi.com
A laser-based hydrogen (H2) sensor using wavelength modulation spectroscopy (WMS)
was developed for the contactless measurement of molecular hydrogen. The sensor uses a …
was developed for the contactless measurement of molecular hydrogen. The sensor uses a …
MHz-rate scanned-wavelength direct absorption spectroscopy using a distributed feedback diode laser at 2.3 µm
This paper demonstrates scanned-wavelength tunable diode laser absorption spectroscopy
(TDLAS) with a scan rate up to 2 MHz using a distributed feedback (DFB) diode laser. The …
(TDLAS) with a scan rate up to 2 MHz using a distributed feedback (DFB) diode laser. The …