Infrared laser-absorption sensing for combustion gases
Infrared laser-absorption spectroscopy (IR-LAS) sensors play an important role in
diagnosing and characterizing a wide range of combustion systems. Of all the laser …
diagnosing and characterizing a wide range of combustion systems. Of all the laser …
Mid-infrared tunable laser-based broadband fingerprint absorption spectroscopy for trace gas sensing: a review
The vast majority of gaseous chemical substances exhibit fundamental rovibrational
absorption bands in the mid-infrared spectral region (2.5–25 μm), and the absorption of light …
absorption bands in the mid-infrared spectral region (2.5–25 μm), and the absorption of light …
Tomographic laser absorption imaging of combustion species and temperature in the mid-wave infrared
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 …
capability by utilizing a high-speed infrared camera to image flow fields backlit with tunable …
Synthesizing gas-filled anti-resonant hollow-core fiber Raman lines enables access to the molecular fingerprint region
The synthesis of multiple narrow optical spectral lines, precisely and independently tuned
across the near-to mid-infrared region, is a pivotal research area that enables selective and …
across the near-to mid-infrared region, is a pivotal research area that enables selective and …
Volumetric laser absorption imaging of temperature, CO and CO2 in laminar flames using 3D masked Tikhonov regularization
Mid-infrared laser absorption imaging of flame temperature and species concentration is
expanded to three dimensions with linear tomographic methods using Tikhonov …
expanded to three dimensions with linear tomographic methods using Tikhonov …
Mid-infrared laser absorption tomography for quantitative 2D thermochemistry measurements in premixed jet flames
A tomographic laser absorption spectroscopy technique, utilizing mid-infrared light sources,
is presented as a quantitative method to spatially resolve species and temperature profiles …
is presented as a quantitative method to spatially resolve species and temperature profiles …
Mid-infrared photoacoustic gas monitoring driven by a gas-filled hollow-core fiber laser
Abstract Development of novel mid-infrared (MIR) lasers could ultimately boost emerging
detection technologies towards innovative spectroscopic and imaging solutions …
detection technologies towards innovative spectroscopic and imaging solutions …
Two-dimensional temperature and carbon dioxide concentration profiles in atmospheric laminar diffusion flames measured by mid-infrared direct absorption …
We present a multi-line flame thermometry technique based on mid-infrared direct
absorption spectroscopy of carbon dioxide at its v_3 v 3 fundamental around 4.2 μm that is …
absorption spectroscopy of carbon dioxide at its v_3 v 3 fundamental around 4.2 μm that is …
Mid-infrared CO2 sensor with blended absorption features for non-uniform laminar premixed flames
We develop a novel mid-infrared CO2 absorption sensor exploiting spectrally blended
features to characterize thermochemical non-uniformity of laminar premixed flames. A new …
features to characterize thermochemical non-uniformity of laminar premixed flames. A new …
An improved study of the uniformity of laminar premixed flames using laser absorption spectroscopy and CFD simulation
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 …
standard McKenna burner by investigating the spatially-resolved temperature and species …