Image labeling:  a graphical interface to correlation in multiparticle ejection dynamics

doi:10.1364/OE.9.000042

Optics Express

Editor: J. H. Eberly
Vol. 9, Iss. 1 — Jul. 2, 2001
pp: 42–48

Image labeling: a graphical interface to correlation in multiparticle ejection dynamics

Kun Zhao, Guizhong Zhang, and Wendell Talbot Hill, III »View Author Affiliations

Optics Express, Vol. 9, Issue 1, pp. 42-48 (2001)
http://dx.doi.org/10.1364/OE.9.000042

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Abstract
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References (12)
Cited By
Figures (4)
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Abstract

A novel graphical approach for probing multicomponent collective ejection processes is described. Image labeling provides a visual means for identifying ejection partners and their relative momenta, isolating specific decay channels for detailed study and determining initial electronic and/or molecular geometries prior to ejection. The power of the technique is demonstrated by looking at strong-fieldmultiphoton-induce 3-atom Coulomb explosion spectra.

[Optical Society of America ]

OCIS Codes
(020.4180) Atomic and molecular physics : Multiphoton processes
(100.2960) Image processing : Image analysis
(110.2960) Imaging systems : Image analysis
(300.6350) Spectroscopy : Spectroscopy, ionization
(300.6410) Spectroscopy : Spectroscopy, multiphoton

ToC Category:
Research Papers

History
Original Manuscript: May 30, 2001
Published: July 2, 2001

Citation
Kun Zhao, Guizhong Zhang, and Wendell Talbot Hill, III, "Image labeling: a graphical interface to correlation in multiparticle ejection dynamics," Opt. Express 9, 42-48 (2001)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-9-1-42

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References

J. Zhu and W.T. Hill, III, "4 pi Electron Ion Image Spectrometer," J. Opt. Soc. Am. B 14, 2212 (1997). [CrossRef]
T. Weber et al., "Recoil-Ion Momentum Distributions for Single and Double Ionization of Helium in Strong Laser Fields," Phys. Rev. Lett. 84, 443 (2000). [CrossRef] [PubMed]
By Coulomb explosion, we mean the energetic dissociation of a multiply ionized molecule into atomic ions. The final kinetic energies of the atomic ions are determined mostly by the classical electric potential associated with the internuclear separation of the ionized nuclei just prior to the explosion.
K. Zhao, T. Colvin, Jr., G. Zhang, and W.T. Hill, III, "Deconvolving 2-D Images of 3-D Momentum Distributions," J. Opt. Soc. Am. B (2001).
L.J. Frasinski, K. Codling, and P.A. Hatherly, "Covariance mapping: a correlation method applied to multiphoton multiple ionization," Science 246, 1029 (1989). [CrossRef] [PubMed]
Most of the correlation events in Fig. 2 about 75%, involve doubly-charged ions only. The rest of the events involve at most one triply-charged ion. This was determined by comparing correlation values from three different correlation images containing only doubly charged ions, only triply charged ions and a composite with both doubly and triply charged ions. Detail of this analysis will be presented in a future paper.
L.J. Frasinski, P.A. Hatherly, and K. Codling, "Multiphoton multiple ionization of N2O probed by three-dimensional covariance mapping," Phys. Lett. A 156, 227 (1991). [CrossRef]
T. Seideman, M.Y. Ivanov, and P.B. Corkum, "The Role of Electron Localization in Intense-Field Molecular Ionization," Phys. Rev. Lett. 75, 2819 (1995). [CrossRef] [PubMed]
T. Zuo and A.D. Bandrauk, "Charge-resonance-enhanced ionization of diatomic molecular ions by intense lasers," Phys. Rev. A 52, R2511 (1995). [CrossRef] [PubMed]
S. Chelkowski and A.D. Bandrauk, "Two Step Coulomb Explosions of Diatoms in Intense Laser Fields," J. Phys. B 28, L723 (1995). [CrossRef]
C. Cornaggia, M. Schmidt, and D. Normand, "Coulomb Explosion of CO2 in an Intense Femtosecond Laser Field," J. Phys. B 27, L123 (1994). [CrossRef]
W.A. Bryan, J.H. Sanderson, A. El-Zein, W.R. Newell, P.F. Taday, and A.J. Langley, "Laser-induced Coulomb explosion, geometry modification and reorientation of carbon dioxide," J. Phys. B 33, 745 (2000). [CrossRef]

Other

J. Zhu and W.T. Hill, III, "4 pi Electron Ion Image Spectrometer," J. Opt. Soc. Am. B 14, 2212 (1997). [CrossRef]
T. Weber et al., "Recoil-Ion Momentum Distributions for Single and Double Ionization of Helium in Strong Laser Fields," Phys. Rev. Lett. 84, 443 (2000). [CrossRef] [PubMed]
By Coulomb explosion, we mean the energetic dissociation of a multiply ionized molecule into atomic ions. The final kinetic energies of the atomic ions are determined mostly by the classical electric potential associated with the internuclear separation of the ionized nuclei just prior to the explosion.
K. Zhao, T. Colvin, Jr., G. Zhang, and W.T. Hill, III, "Deconvolving 2-D Images of 3-D Momentum Distributions," J. Opt. Soc. Am. B (2001).
L.J. Frasinski, K. Codling, and P.A. Hatherly, "Covariance mapping: a correlation method applied to multiphoton multiple ionization," Science 246, 1029 (1989). [CrossRef] [PubMed]
Most of the correlation events in Fig. 2 about 75%, involve doubly-charged ions only. The rest of the events involve at most one triply-charged ion. This was determined by comparing correlation values from three different correlation images containing only doubly charged ions, only triply charged ions and a composite with both doubly and triply charged ions. Detail of this analysis will be presented in a future paper.
L.J. Frasinski, P.A. Hatherly, and K. Codling, "Multiphoton multiple ionization of N2O probed by three-dimensional covariance mapping," Phys. Lett. A 156, 227 (1991). [CrossRef]
T. Seideman, M.Y. Ivanov, and P.B. Corkum, "The Role of Electron Localization in Intense-Field Molecular Ionization," Phys. Rev. Lett. 75, 2819 (1995). [CrossRef] [PubMed]
T. Zuo and A.D. Bandrauk, "Charge-resonance-enhanced ionization of diatomic molecular ions by intense lasers," Phys. Rev. A 52, R2511 (1995). [CrossRef] [PubMed]
S. Chelkowski and A.D. Bandrauk, "Two Step Coulomb Explosions of Diatoms in Intense Laser Fields," J. Phys. B 28, L723 (1995). [CrossRef]
C. Cornaggia, M. Schmidt, and D. Normand, "Coulomb Explosion of CO2 in an Intense Femtosecond Laser Field," J. Phys. B 27, L123 (1994). [CrossRef]
W.A. Bryan, J.H. Sanderson, A. El-Zein, W.R. Newell, P.F. Taday, and A.J. Langley, "Laser-induced Coulomb explosion, geometry modification and reorientation of carbon dioxide," J. Phys. B 33, 745 (2000). [CrossRef]

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