Laser diagnostics and minor species detection in combustion using resonant four-wave mixing

J Kiefer, P Ewart - Progress in Energy and Combustion Science, 2011 - Elsevier
Laser-based methods have transformed combustion diagnostics in the past few decades.
The high intensity, coherence, high spectral resolution and frequency tunability available …

[图书][B] Applied combustion diagnostics

K Kohse-Hoinghaus, JB Jefferies - 2002 - taylorfrancis.com
The editors have assembled a world-class group of contributors who address the questions
the combustion diagnostic community faces. They are chemists who identify the species to …

Detection of C2H2 and HCl using mid-infrared degenerate four-wave mixing with stable beam alignment: towards practical in situ sensing of trace molecular species

ZW Sun, ZS Li, B Li, M Aldén, P Ewart - Applied Physics B, 2010 - Springer
A stable and convenient optical system to realize the forward phase-matching geometry for
degenerate four-wave mixing (DFWM) is demonstrated in the mid-infrared spectral region by …

Shedding light on a dark state: The energetically lowest quintet state of C2

P Bornhauser, Y Sych, G Knopp, T Gerber… - The Journal of chemical …, 2011 - pubs.aip.org
Shedding light on a dark state: The energetically lowest quintet state of C|$_2$|2 | The Journal
of Chemical Physics | AIP Publishing Skip to Main Content Umbrella Alt Text Umbrella Alt Text …

Contracted description of driven degenerate multilevel quantum systems

X Xu, K Sun, MF Gelin, Y Zhao - The Journal of Chemical Physics, 2023 - pubs.aip.org
We formulate a contraction theorem that maps quantum dynamics of a multilevel degenerate
system (DS) driven by a time-dependent external field to the dynamics of the corresponding …

Mid-infrared polarization spectroscopy of carbon dioxide

S Roy, RP Lucht, A McIlroy - Applied Physics B, 2002 - Springer
The use of mid-infrared polarization spectroscopy (PS) for the detection of CO 2 has been
demonstrated. The P (13) and P (14) resonances of the (0 0 0 0)→(1 0 0 1) transition of CO 2 …

Dissection of rovibronic band structure by polarization-resolved degenerate four-wave mixing spectroscopy

AE Bracamonte, PH Vaccaro - The Journal of chemical physics, 2003 - pubs.aip.org
Judicious selection of polarization characteristics in degenerate four-wave mixing (DFWM)
spectroscopy is shown to provide a facile and robust means for discriminating rovibronic …

Experimental investigation of saturated degenerate four-wave mixing for quantitative concentration measurements

TA Reichardt, WC Giancola, CM Shappert, RP Lucht - Applied Optics, 1999 - opg.optica.org
Degenerate four-wave mixing (DFWM) line shapes and signal intensities are measured
experimentally in well-characterized hydrogen–air flames operated over a wide range of …

Collisional dependence of polarization spectroscopy with a picosecond laser

TA Reichardt, F Di Teodoro, RL Farrow… - The Journal of …, 2000 - pubs.aip.org
The collisional dependence of polarization spectroscopy (PS) with a picosecond-pulse laser
is investigated theoretically with a perturbative treatment and experimentally by probing …

Saturation effects in molecular spectroscopy using degenerate four‐wave mixing

K Bultitude, R Bratfalean, P Ewart - Journal of Raman …, 2003 - Wiley Online Library
Lineshapes of degenerate four‐wave mixing signals induced by both monochromatic and
non‐monochromatic lasers are compared with predictions of the non‐perturbative model of …