Coherent four-wave mixing in excited and ionized gas media: four-photon spectrochronography, ellipsometry, and nonlinear-optical imaging of atoms and ions

AM Zheltikov, NI Koroteev - Physics-Uspekhi, 1999 - iopscience.iop.org
A review of the main directions of development, the most promising new techniques, and
urgent applications of coherent four-photon methods of investigation of excited and ionized …

Femtosecond real-time probing of reactions. 19. Nonlinear (DFWM) techniques for probing transition states of uni-and bimolecular reactions

M Motzkus, S Pedersen, AH Zewail - The Journal of Physical …, 1996 - ACS Publications
Degenerate four-wave mixing (DFWM), using∼ 60 femtosecond (fs) laser pulses, is
introduced to study transition-state dynamics of chemical reactions in the gas phase. The …

Coherent anti‐Stokes Raman scattering: from proof‐of‐the‐principle experiments to femtosecond CARS and higher order wave‐mixing generalizations

AM Zheltikov - Journal of Raman Spectroscopy, 2000 - Wiley Online Library
A review of CARS evolution from proof-of-the principle experiments to recent CARS
developments, including femtosecond CARS and higher order wave-mixing spectroscopy …

Molecular collision dynamics on several electronic states

TJ Martínez, M Ben-Nun, RD Levine - The Journal of Physical …, 1997 - ACS Publications
A time-dependent quantum mechanical method for propagating the wave function on
several electronic states is discussed for the polyatomic case and illustrated by the …

Reaction of Rb(52D, 72S) with H2

LH Fan, JJ Chen, YY Lin, WT Luh - The Journal of Physical …, 1999 - ACS Publications
The nascent quantum state distributions of the RbH product resulting from the reaction of Rb
(52D3/2, 5/2, 72S1/2) with H2 are determined using a laser pump− probe technique. For the …

New diabatic potential energy surfaces of the NaH2 system and dynamics studies for the Na(3p) + H2 → NaH + H reaction

S Wang, Z Yang, J Yuan, M Chen - Scientific Reports, 2018 - nature.com
Abstract The Na (3p)+ H2 (X1Σg+)→ NaH (X1Σ+)+ H (2S) reaction plays an important role in
the field of diabatic reaction dynamics. A set of new diabatic potential energy surfaces …

Vibrationally induced formation of NaH in the collision system: Rate equation model and comparison with experimental results

M Motzkus, G Pichler, KL Kompa… - The Journal of chemical …, 1998 - pubs.aip.org
Nonlinear optical methods (four-wave-mixing spectroscopy) and linear absorption
spectroscopy were used to analyze the reaction of sodium hydride (NaH) in the Na (3p)+ H 2 …

Comparison of the and reactive/quenching systems studied with CARS, resonance-enhanced CARS, and DFWM

M Motzkus, G Pichler, KL Kompa… - The Journal of chemical …, 1997 - pubs.aip.org
Three different nonlinear optical techniques, CARS (coherent anti-Stokes Raman
scattering), resonance-enhanced CARS, and DFWM (degenerate four-wave mixing), were …

Multiple traversals of a conical intersection: electronic quenching in Na∗+ H2

M Ben-Nun, TJ Martinez, RD Levine - Chemical physics letters, 1997 - Elsevier
The conical intersection in the collision of a Na (3p 2P) atom with H2 occurs at large H H
distances. Time dependent quantal computations exhibit many sequential non-adiabatic …

Quantitative nonlinear spectroscopy: a direct comparison of degenerate four-wave mixing with cavity ring-down spectroscopy applied to NaH

L Lehr, P Hering - IEEE journal of quantum electronics, 1997 - ieeexplore.ieee.org
Cavity ring-down spectroscopy and degenerate four-wave mixing have been applied for
spectroscopic studies, temperature determination, and measurement of relative dipole …