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State-selective dissociation dynamics of an oxygen molecular ion studied with single-harmonic pump and infrared-probe pulses

Journal Article · · Physical Review A
 [1];  [2];  [2];  [3];  [3];  [3];  [4];  [3];  [3];  [3]
  1. Kansas State Univ., Manhattan, KS (United States); DOE/OSTI
  2. Univ. Frankfurt am Main (Germany). Inst. fur Kernphysik
  3. Kansas State Univ., Manhattan, KS (United States)
  4. Kansas State Univ., Manhattan, KS (United States); Huazhong Univ. of Science and Technology, Wuhan (China)
Laser-induced dissociation of a photoionized oxygen molecule is studied employing an extreme-ultraviolet-pump–near-infrared-probe (EUV-NIR pump-probe) technique. A combination of a narrow-band 11th harmonic pump centered at 17.3 eV and a moderate-intensity NIR probe restricts the dissociation dynamics to the pair of low-lying cationic states, a4Πu and f4Πg . The measured kinetic energies of the O+ fragments reveal contributions from one-, two-, and three-photon dissociation pathways ( 1ω , 2ω , and 3ω ) involving these two states. While the yields of the two- and three-photon channels initially rise and then decrease as a function of EUV-NIR delay, the yield of the single-photon pathway rises slower but keeps increasing over the whole delay range studied. Furthermore, this behavior reflects the evolving probability density of the ionic nuclear wave packet at the internuclear distances, where it can undergo resonant 3ω and 1ω transitions from the a4Πu to the f4Πg state of O2+ .
Research Organization:
Kansas State Univ., Manhattan, KS (United States)
Sponsoring Organization:
National Science Foundation (NSF); USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences & Biosciences Division
Grant/Contract Number:
FG02-86ER13491
OSTI ID:
1540685
Alternate ID(s):
OSTI ID: 1461232
Journal Information:
Physical Review A, Journal Name: Physical Review A Journal Issue: 1 Vol. 98; ISSN 2469-9926
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

References (63)

Reaction microscopes applied to study atomic and molecular fragmentation in intense laser fields: non-sequential double ionization of helium journal December 2004
Beyond the Floquet theorem: generalized Floquet formalisms and quasienergy methods for atomic and molecular multiphoton processes in intense laser fields journal February 2004
Time-resolved studies of ultrafast wavepacket dynamics in hydrogen molecules journal June 2010
Dynamics of N 2 Dissociation upon Inner-Valence Ionization by Wavelength-Selected XUV Pulses journal January 2015
Femtosecond laser control of a chemical reaction journal January 1992
Control of ultrafast molecular photodissociation by laser-field-induced potentials journal July 2014
Adaptive strong-field control of chemical dynamics guided by three-dimensional momentum imaging journal December 2013
Highly coherent and stable pulses from the FERMI seeded free-electron laser in the extreme ultraviolet journal September 2012
Strong-field-induced wave packet dynamics in carbon dioxide molecule journal January 2016
Light-induced multiple electronic-state coupling of O2+ in intense laser fields journal June 2001
Theoretical studies of cross sections and photoelectron angular distributions in the valence photoionization of molecular oxygen journal May 2002
Time-delay compensated monochromator for the spectral selection of extreme-ultraviolet high-order laser harmonics journal December 2009
Accurate ab initio potential energy curve of O2. II. Core-valence correlations, relativistic contributions, and vibration-rotation spectrum journal February 2010
Rotationally resolved pulsed field ionization photoelectron bands of O2+(X 2Π1/2,3/2g, v+=0–38) in the energy range of 12.05–18.15 eV journal August 1999
Photophysics of O2 excited by tunable laser radiation around 193 nm journal March 2000
Nonresonant photofragmentation/ionization dynamics of O2 using picosecond and femtosecond laser pulses at 248 nm journal April 2000
Two-pulse control over double ionization pathways in CO 2 journal January 2016
A table-top monochromator for tunable femtosecond XUV pulses generated in a semi-infinite gas cell: Experiment and simulations journal July 2016
Ab initio CI calculation of O 2 + predissociation phenomena induced by a spin-orbit coupling mechanism journal July 1982
The monochromator beamline at FLASH: performance, capabilities and upgrade plans journal September 2011
Franck-Condon factors for ionizing transitions of O2, CO, NO and H2 and for the NO+(A 1-$\Sigma$X 1$\Sigma$) band system journal November 1968
On the Photoelectron Spectrum of O 2 journal January 1970
The dynamics of small molecules in intense laser fields journal April 2004
The physics of attosecond light pulses journal May 2004
Dissociative ionization of small molecules in intense laser fields journal March 1993
High resolution threshold photoelectron and photoion spectroscopy of oxygen in the 12-50 eV photon range journal August 1994
Dynamics of H 2 + in intense laser fields journal February 1995
One and two-colour studies of the dissociative ionization and Coulomb explosion of with intense Ti:sapphire laser pulses journal December 1997
The dynamical behaviour of and in a strong, femtosecond, titanium:sapphire laser field journal May 1997
Fast-beam study of H 2 + ions in an intense femtosecond laser field journal July 2000
A fluorescence polarization study of the O 2 + A 2 Π u → X 2 Π g and the b 4 Σ g → a 4 Π u transitions in the excitation range 17–25 eV journal January 2005
Fragmentation dynamics of molecular hydrogen in strong ultrashort laser pulses journal February 2005
Complementary imaging of the nuclear dynamics in laser-excited diatomic molecular ions in the time and frequency domains journal June 2014
Short-wavelength free-electron laser sources and science: a review journal October 2017
Multielectron dissociative ionization of diatomic molecules in an intense femtosecond laser field journal October 1991
Single and double ionization of diatomic molecules in strong laser fields journal December 1998
Nonsequential double ionization of molecular fragments journal February 2000
Mapping of coherent and decohering nuclear wave-packet dynamics in D 2 + with ultrashort laser pulses journal June 2003
Simultaneous real-time tracking of wave packets evolving on two different potential curves in H 2 + and D 2 + journal September 2005
Attosecond xuv pulses for complete mapping of the time-dependent wave packets of D 2 + journal April 2006
Investigating excited electronic states of I 2 + and I 2 2 + produced by strong-field ionization using vibrational wave packets journal June 2007
Determining laser-induced dissociation pathways of multielectron diatomic molecules: Application to the dissociation of O 2 + by high-intensity ultrashort pulses journal June 2007
Time-resolved Coulomb-explosion imaging of nuclear wave-packet dynamics induced in diatomic molecules by intense few-cycle laser pulses journal January 2011
Vibrationally resolved structure in O 2 + dissociation induced by intense ultrashort laser pulses journal May 2011
Following dynamic nuclear wave packets in N 2 , O 2 , and CO with few-cycle infrared pulses journal October 2011
Controlling strong-field fragmentation of H 2 + by temporal effects with few-cycle laser pulses journal February 2012
Dissociation dynamics of diatomic molecules in intense laser fields: A scheme for the selection of relevant adiabatic potential curves journal August 2012
Probing calculated O 2 + potential-energy curves with an XUV-IR pump-probe experiment journal April 2015
Following coherent multichannel nuclear wave packets in pump-probe studies of O 2 with ultrashort laser pulses journal April 2018
Strong-Field Induced Vibrational Coherence in the Ground Electronic State of Hot I 2 journal March 2008
Enhancing High-Order Above-Threshold Dissociation of H 2 + Beams with Few-Cycle Laser Pulses journal April 2008
Steering the Electron in H 2 + by Nuclear Wave Packet Dynamics journal November 2010
Identification of a Previously Unobserved Dissociative Ionization Pathway in Time-Resolved Photospectroscopy of the Deuterium Molecule journal March 2015
Softening of the H 2 + molecular bond in intense laser fields journal April 1990
Teaching lasers to control molecules journal March 1992
Dissociation Dynamics of H 2 + in Intense Laser Fields: Investigation of Photofragments from Single Vibrational Levels journal December 2000
Dissociation and Ionization of H 2 + by Ultrashort Intense Laser Pulses Probed by Coincidence 3D Momentum Imaging journal August 2005
Spatiotemporal Imaging of Ultrafast Molecular Motion: Collapse and Revival of the D 2 + Nuclear Wave Packet journal November 2006
Complete Characterization of Molecular Dynamics in Ultrashort Laser Fields journal October 2007
Attosecond physics journal February 2009
Control of Chemical Reactions by Feedback-Optimized Phase-Shaped Femtosecond Laser Pulses journal October 1998
Laser Control of Molecular Processes journal October 1992
Design Study of Time-Preserving Grating Monochromators for Ultrashort Pulses in the Extreme-Ultraviolet and Soft X-Rays journal March 2017

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