Sensors are perhaps the most important and integral components of our modern society.
With global warming and environmental pollution garnering ever-increasing attention, as …

We performed a combined experimental and numerical study of the flame uniformity for a
standard McKenna burner by investigating the spatially-resolved temperature and species …

We report temperature and hydroxyl (OH) concentration measurements in methane/air
premixed flat flames based on ultraviolet (UV) broadband absorption spectroscopy (BAS) of …

We develop a novel mid-infrared CO2 absorption sensor exploiting spectrally blended
features to characterize thermochemical non-uniformity of laminar premixed flames. A new …

Tunable diode laser absorption spectroscopy (TDLAS) techniques usually utilize direct
absorption spectroscopy (DAS) to measure absorbance profiles for temperature …

A discrete tomographic imaging method is introduced to reconstruct distributions of
temperature and gas molar concentration in tunable diode laser absorption spectroscopy …

Tomographic absorption spectroscopy (TAS) is important for the combustion diagnostics of
hydrogen and hydrocarbon fuels in various flow fields. In this study, we proposed and …

Dual-comb spectroscopy (DCS) has emerged as an important new technique for high-
resolution molecular spectroscopy. However, this powerful tool has not been widely utilized …

The influence of correlated scalar fluctuations on time-averaged laser absorption
tomography measurements of temperature and species in a piloted turbulent premixed …

Chemical species tomography (CST) has been deployed in a wide range of applications in
the last two decades for multi-dimensional measurement of gaseous flow fields. CST offers …