[HTML][HTML] Mid-infrared dual-comb spectroscopy with quantum cascade lasers
Since its invention in 1994, the quantum cascade laser (QCL) has emerged as a versatile
light source of wavelength 4–12 µm, covering most of the mid-and long-wavelength infrared …
light source of wavelength 4–12 µm, covering most of the mid-and long-wavelength infrared …
Thermometry and velocimetry in a ramjet using dual comb spectroscopy of the O2 A-band
Dual comb spectroscopy (DCS) of near-infrared H_2O absorption has been demonstrated in
the past for low-uncertainty flow measurements in ground test ramjets. However, H_2O is …
the past for low-uncertainty flow measurements in ground test ramjets. However, H_2O is …
Measurement of engine exhaust plume temperature and concentration distributions with tomographic absorption spectroscopy and learning-based absorbance …
R Wang, P Yu, T Huang, Y Cao, J Mei, G Wang, X Gao… - Fuel, 2024 - Elsevier
Measuring the spatial distribution of temperature and species concentration is important to
the thermodynamic analysis and validation of modern combustion systems. In this work, we …
the thermodynamic analysis and validation of modern combustion systems. In this work, we …
Pulse interaction induced systematic errors in dual comb spectroscopy
Systematic errors are observed in dual comb spectroscopy when pulses from the two
sources travel in a common fiber before interrogating the sample of interest. When sounding …
sources travel in a common fiber before interrogating the sample of interest. When sounding …
Mid-infrared dual-comb spectroscopy for rapid temperature distribution characterization
X Zou, M Zhang, C Liu, Z Zuo, Y Di, S He, S Wang… - Optics Letters, 2023 - opg.optica.org
Due to the influence of chemical reactions, phase change, and other phenomena, the
combustion system is a complicated high-temperature environment. Therefore, the spatio …
combustion system is a complicated high-temperature environment. Therefore, the spatio …
Adaptive mesh large eddy simulations of transitional jet diffusion flames in crossflow
We leverage simultaneous in situ measurements of absorption-weighted temperature and
water mole fraction from near-infrared dual comb spectroscopy (DCS) to validate adaptive …
water mole fraction from near-infrared dual comb spectroscopy (DCS) to validate adaptive …
Temperature, pressure, velocity, and water vapor mole fraction profiles in a ramjet combustor using dual frequency comb spectroscopy and a high temperature …
Accurate diagnostics of the combustor region of ramjet engines can improve engine design
and create benchmarks for computational fluid dynamics models. Previous works …
and create benchmarks for computational fluid dynamics models. Previous works …
Temperature-dependent determination of NO2 dimerization reaction based on dual-comb spectroscopy
Dimerization reactions play a critical role in various fields of research, including cell biology,
biomedicine, and chemistry. In particular, the dimerization reaction of 2NO_2? N_2O_4 has …
biomedicine, and chemistry. In particular, the dimerization reaction of 2NO_2? N_2O_4 has …
Single-beam velocimetry with dual frequency comb absorption spectroscopy
Laser absorption Doppler velocimeters use a crossed-beam configuration to cancel errors
due to laser frequency drift and absorption model uncertainty. This configuration complicates …
due to laser frequency drift and absorption model uncertainty. This configuration complicates …
Comparison of rotational and vibrational thermometry of detonation in microchannels
View Video Presentation: https://doi. org/10.2514/6.2023-2254. vid Vibrational and rotational
temperatures in various detonation conditions involving diluted hydrogen-oxygen mixtures …
temperatures in various detonation conditions involving diluted hydrogen-oxygen mixtures …