Search Results - "Cai, Tingdong"
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A simple sensor for simultaneous measurements of OH, H2O, and temperature in combustion environments using a single tunable diode laser near 1.477 μm
Published in Applied physics. B, Lasers and optics (01-12-2021)“…Information about quantitative OH concentrations and temperature during the combustion process is important for the development of combustion kinetics and…”
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2
A TDLAS Sensor for Simultaneous Measurement of Temperature and C2H4 Concentration Using a Differential Absorption Scheme at High Temperature
Published in Frontiers in physics (11-03-2020)“…Ethylene (C2H4) concentration and temperature is simultaneously measured in high temperature environments using a differential absorption scheme combined with…”
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Different regions and environments have critical roles on yield, main quality and industrialization of an industrial purple-fleshed sweetpotato (Ipomoea batatas L. (Lam.)) “Xuzishu8”
Published in Heliyon (29-02-2024)“…Purple-fleshed sweetpotato (PFSP) (Ipomoea batatas (L.) Lam), whose flesh is purple to dark purple, is a special variety type of sweetpotato, which has the…”
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Simultaneous detection of soot, temperature, and C 2 H 2 in laminar premixed flames using a multi-pass diode laser absorption spectrometer
Published in Optics express (04-11-2024)“…We report the development of a multi-pass diode laser absorption spectroscopy system for simultaneous measurements of soot volume fraction (SVF), temperature,…”
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FDM-assisted opposite two-way OA-CEAS system employing four lasers for simultaneous multi-species detection
Published in Optics express (06-11-2023)“…An FDM-assisted opposite two-way OA-CEAS system is reported in this paper. Compared with the traditional OA-CEAS system with one-way transmission…”
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Baseline extraction algorithm for mixed absorption spectrum of multiple gases under different pressure
Published in Optics communications (01-06-2023)“…This study developed an algorithm for determining gas pressure and concentration in a mixed absorption feature using direct absorption spectroscopy. Blending…”
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Simultaneous measurement of temperature and C2H4 concentration in hydrocarbon flames using interference-immune differential absorption spectroscopy at 3.3 μm
Published in Infrared physics & technology (01-11-2024)“…•Simultaneous and interference-free measurements of T and C2H4 are performed using differential absorption spectroscopy.An Interband Cascade Laser near 3.3 μm…”
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Simultaneous and interference-free measurements of temperature and C2H4 concentration using a single tunable diode laser at 1.62 µm
Published in Optics express (24-06-2019)“…In the tunable diode laser absorption spectroscopy-based diagnostics, the absorption of the measured target species may be influenced by the interference…”
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9
Diode laser measurements of high-temperature line strength and self-broadening coefficient of carbon dioxide near 2.0 μm
Published in Journal of molecular spectroscopy (01-01-2022)“…A self-made heated static cell was used to measure the high-resolution absorption spectra of ten strong lines of carbon dioxide belonging to the 20012←00001…”
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10
Development of an off-axis cavity-enhanced absorption spectroscopy system with open-path configuration for gas sensing
Published in Infrared physics & technology (01-05-2021)“…•A compact OA-CEAS system with open-path configuration is demonstrated.•A simple and effective method is developed to determine the absolute reflectivity of…”
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Simultaneous and interference-free measurements of temperature and C 2 H 4 concentration using a single tunable diode laser at 1.62 µm
Published in Optics express (24-06-2019)“…In the tunable diode laser absorption spectroscopy-based diagnostics, the absorption of the measured target species may be influenced by the interference…”
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12
A sensor based on high-sensitivity multi-pass resonant photoacoustic spectroscopy for detection of hydrogen sulfide
Published in Optics and laser technology (01-04-2023)“…•A high-sensitive multi-pass photoacoustic spectroscopy sensor is developed for hydrogen sulfide.•With the enhancement of effective laser power in the…”
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Simultaneous detection of atmospheric CH_4 and CO using a single tunable multi-mode diode laser at 233 μm
Published in Optics express (25-01-2016)Get full text
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14
Absorption spectroscopy of ethylene near 1.62 µm at high temperatures
Published in Journal of quantitative spectroscopy & radiative transfer (01-01-2020)“…•The high-resolution spectra of C2H4 at 1.62 µm are acquired in the temperature range of 296–600 K.•More than 50 lines are recorded in the frequency range…”
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Sensor for headspace pressure and H2O concentration measurements in closed vials by tunable diode laser absorption spectroscopy
Published in Optics and lasers in engineering (01-07-2014)“…The concentration of H2O and the pressure in the headspace of vials are simultaneously measured by a tunable diode laser sensor based on absorption…”
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Calibration-free sensor for pressure and H2O concentration in headspace of sterile vial using tunable diode laser absorption spectroscopy
Published in Applied optics. Optical technology and biomedical optics (10-11-2013)“…Tunable diode laser absorption measurements of pressure and H2O concentration in the headspace of vials using a distributed-feedback (DFB) diode laser near 1.4…”
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High-Pressure Measurements of Temperature and CO2 Concentration Using Tunable Diode Lasers at 2 μm
Published in Applied spectroscopy (01-03-2016)“…A sensor for simultaneous measurements of temperature and carbon dioxide (CO2) concentration at elevated pressure is developed using tunable diode lasers at 2…”
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18
Experimental study of carbon dioxide spectroscopic parameters around 2.0 µm region for combustion diagnostic applications
Published in Journal of quantitative spectroscopy & radiative transfer (01-11-2017)“…•High temperature CO2 absorption spectra were recorded near 2.0 µm in the temperature range of 296–800 K.•Line strengths for five selected strong CO2 lines…”
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Simultaneous Measurements of Multiple Parameters at Elevated Temperature Using a Frequency-Division Multiplexing Scheme with Tunable Diode Lasers
Published in Applied spectroscopy (01-10-2012)“…A multiplexed diode-laser sensor system based on second harmonic detection of wavelength modulation spectroscopy (WMS) is developed for application at elevated…”
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20
Simultaneous measurements of temperature and CO2 concentration employing diode laser absorption near 2.0 μm
Published in Applied physics. B, Lasers and optics (01-03-2015)“…Simultaneous measurements of gas temperature and CO 2 concentration in combustion gases using an extended-wavelength diode laser sensor at 2.0 μm are reported…”
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