A deep learning method for laser absorption tomography was developed to effectively
integrate physical priors related to flow-field thermochemistry and transport. Mid-fidelity …

Mid-infrared laser absorption imaging of methane in flames is performed with a learning-
based approach to the limited view-angle inversion problem. A deep neural network is …

Mid-infrared laser absorption imaging of flame temperature and species concentration is
expanded to three dimensions with linear tomographic methods using Tikhonov …

In this work, laser absorption spectroscopy techniques are expanded in spatial resolution
capability by utilizing a high-speed infrared camera to image flow fields backlit with tunable …

As an in situ combustion diagnostic tool, tunable diode laser absorption spectroscopy
(TDLAS) tomography has been widely used for imaging 2-D temperature distributions in …

This manuscript presents the design and initial application of a mid-infrared laser-absorption-
imaging (LAI) technique for two-dimensional (2D) measurements and tomographic …

Direct absorption spectroscopy measurement of the 4. 3 μ m CO 2 using interband cascade
laser with a high spectral resolution, provides theoretical feasibility to retrieve the spatial …

This paper proposes a technique that can simultaneously retrieve distributions of
temperature, concentration of chemical species, and pressure based on broad bandwidth …

Chemical species tomography (CST) has been widely used for in situ imaging of critical
parameters, eg, species concentration and temperature, in reactive flows. However, even …

In this work, laser absorption imaging is expanded in temporal resolution capability to
kilohertz measurement rates by coupling sparsely sampled wavelength scanning and digital …