Recent advances in ultrafast-laser-based spectroscopy and imaging for reacting plasmas and flames

AK Patnaik, I Adamovich, JR Gord… - Plasma Sources Science …, 2017 - iopscience.iop.org
Reacting flows and plasmas are prevalent in a wide array of systems involving defense,
commercial, space, energy, medical, and consumer products. Understanding the complex …

Time-and frequency-dependent model of time-resolved coherent anti-Stokes Raman scattering (CARS) with a picosecond-duration probe pulse

HU Stauffer, JD Miller, MN Slipchenko… - The Journal of …, 2014 - pubs.aip.org
The hybrid femtosecond/picosecond coherent anti-Stokes Raman scattering (fs/ps CARS)
technique presents a promising alternative to either fs time-resolved or ps frequency …

Hybrid fs/ps rotational CARS temperature and oxygen measurements in the product gases of canonical flat flames

SP Kearney - Combustion and Flame, 2015 - Elsevier
A hybrid fs/ps pure-rotational coherent anti-Stokes Raman scattering (CARS) scheme is
systematically evaluated over a wide range of flame conditions in the product gases of two …

[HTML][HTML] Communication: Simplified two-beam rotational CARS signal generation demonstrated in 1D

A Bohlin, BD Patterson, CJ Kliewer - The Journal of chemical physics, 2013 - pubs.aip.org
We explore a novel phase matching scheme for gas-phase rotational coherent anti-Stokes
Raman spectroscopy (CARS). The scheme significantly simplifies the employment of the …

[HTML][HTML] Communication: Two-dimensional gas-phase coherent anti-Stokes Raman spectroscopy (2D-CARS): Simultaneous planar imaging and multiplex …

A Bohlin, CJ Kliewer - The Journal of Chemical Physics, 2013 - pubs.aip.org
Coherent anti-Stokes Raman spectroscopy (CARS) has been widely used as a powerful tool
for chemical sensing, molecular dynamics measurements, and rovibrational spectroscopy …

Non-intrusive measurement techniques for flow characterization of hypersonic wind tunnels

PM Danehy, J Weisberger, C Johansen, D Reese… - 2018 - ntrs.nasa.gov
This manuscript describes the wide variety of optical measurement techniques for
characterizing the flow in hypersonic wind tunnels. The introduction briefly describes …

Dielectric-barrier-discharge plasma-assisted hydrogen diffusion flame. Part 1: Temperature, oxygen, and fuel measurements by one-dimensional fs/ps rotational …

JE Retter, GS Elliott, SP Kearney - Combustion and Flame, 2018 - Elsevier
One-dimensional hybrid fs/ps CARS imaging provides single-laser-shot measurements of
temperature, oxygen, and hydrogen in a plasma-assisted hydrogen diffusion flame. The …

Hybrid femtosecond/picosecond rotational coherent anti-Stokes Raman scattering at flame temperatures using a second-harmonic bandwidth-compressed probe

SP Kearney, DJ Scoglietti - Optics Letters, 2013 - opg.optica.org
We demonstrate an approach for picosecond probe-beam generation that enables hybrid
femtosecond/picosecond pure-rotational coherent anti-Stokes Raman scattering (CARS) …

Development of two-beam femtosecond/picosecond one-dimensional rotational coherent anti-Stokes Raman spectroscopy: time-resolved probing of flame wall …

A Bohlin, M Mann, BD Patterson, A Dreizler… - Proceedings of the …, 2015 - Elsevier
Hybrid femtosecond/picosecond rotational coherent anti-Stokes Raman spectroscopy
(CARS) is developed utilizing a two-beam phase-matching approach for one-dimensional …

Air-laser-based coherent Raman spectroscopy of atmospheric molecules in a filamentary plasma grating

J Cao, Y Fu, T Wang, H Li, H Xu - Optics Letters, 2023 - opg.optica.org
Coherent Raman spectroscopy (CRS) with air-laser-based hybrid femtosecond/picosecond
(fs/ps) pulses has shown promising potential for remote detection and surveillance of …