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Koeckhoven, S. M.; Buma, Wybren Jan; Lange, C.A. de

doi:10.1103/physreva.49.3322

Cited by 45 publications

(34 citation statements)

References 45 publications

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“…18 The one-photon energy for this transition is close to the one-photon energies used in the present study and its signal intensity strongly depends on the polarization of the excitation light. For absolute wavelength calibration the well-known optogalvanic spectrum of Ne, 19 excited in a hollow-cathode lamp, was used.…”

Section: Methodsmentioning

confidence: 98%

A resonance enhanced multiphoton ionization study of the gerade excited states of Xe2 with a Xe 1S+Xe* 6s[3/2]1 dissociation limit

Koeckhoven

Buma

Lange

1995

The Journal of Chemical Physics

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A resonance enhanced multiphoton ionization study of the gerade excited states of XeC2 with a Xe E1SC0 + XeE* 6s[3/2]C1 dissociation limit Koeckhoven, S.M.; Buma, W.J.; de Lange, C.A. General rightsIt is not permitted to download or to forward/distribute the text or part of it without the consent of the author(s) and/or copyright holder(s), other than for strictly personal, individual use, unless the work is under an open content license (like Creative Commons). Disclaimer/Complaints regulationsIf you believe that digital publication of certain material infringes any of your rights or (privacy) interests, please let the Library know, stating your reasons. In case of a legitimate complaint, the Library will make the material inaccessible and/or remove it from the website. Please Ask the Library: http://uba.uva.nl/en/contact, or a letter to: Library of the University of Amsterdam, Secretariat, Singel 425, 1012 WP Amsterdam, The Netherlands. You will be contacted as soon as possible. Low-lying gerade electronically excited states of the Xe dimer, viz., 1 g and 0 g ϩ , with a Xe 1 S 0 ϩXe* 6s[3/2] 1 dissociation limit have been investigated using two-photon resonance enhanced multiphoton ionization techniques. High resolution is achieved by using this method in combination with a supersonic expansion. Moreover, the mass-resolved ion detection used in the present experiments has led to the observation of both vibrationally well-resolved spectra and continuous features, allowing the bound and dissociative parts of the excited states to be investigated separately. All spectra have been measured under both linearly and circularly polarized excitation conditions, enabling an unambiguous assignment of the signals. On the basis of FranckCondon calculations information on the potential energy curves of the bound and dissociative parts of the excited states has been obtained.

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Section: Methodsmentioning

confidence: 98%

A resonance enhanced multiphoton ionization study of the gerade excited states of Xe2 with a Xe 1S+Xe* 6s[3/2]1 dissociation limit

Koeckhoven

Buma

Lange

1995

The Journal of Chemical Physics

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“…The electron spectra were calibrated against known autoionization peaks and energy levels for Xe atoms [56][57][58] with an absolute energy accuracy of about 5 meV at low energies. Correspondingly, a systematic error of ±2.5 meV has been included in all error estimates referring to determined absolute electron energies.…”

Section: -2mentioning

confidence: 99%

Strong-field photoionization ofO2at intermediate light intensity

et al. 2010

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We investigated by electron spectroscopy the strong-field multiphoton ionization of O 2 molecules with ultrashort laser pulses in the intensity range between the multiphoton and tunneling regimes. The ionization proceeds by at least three different mechanisms, in addition to the eight-and nine-photon nonresonant pathways. Transient multiphoton resonances with vibrational Rydberg levels give rise to direct Freeman-type peaks with sublaser linewidth and spin-orbit splitting. Some resonance levels actually become populated and yield extremely narrow lines because of postpulse vibrational autoionization. When the lowest photon order resonance channel for the Rydberg states is closed, a third contribution becomes dominant with a main peak at 0.4 eV that shares its main properties with the recently discovered universal low-energy structure in the electron spectra of atoms and molecules [C. I. Blaga et al., Nat. Phys. 5, 335 (2009); W. Quan et al., Phys. Rev. Lett. 103, 093001 (2009)]. The variation of the Freeman resonance spectrum with the laser peak intensity is well correlated with the vibronic Franck-Condon factors for the overlap of the intermediate Rydberg state with the O 2 ground state. Accordingly, the Freeman peaks could be unambiguously assigned to individual vibronic multiphoton resonances, and the disappearance of the Freeman resonances at a certain laser intensity could be explained. The population of the autoionizing Rydberg states could be assigned similarly to such vibronic resonances.

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“…Many of the optically forbidden levels have been seen in multiphoton experiments. Some of the ndЈ , ngЈ ͑J =3͒ odd-parity levels are known from three-photon experiments [4], and many of the npЈ ͑n ജ 7͒ ͑J =0,2͒ and nfЈ ͑n ജ 4͒ ͑J =2,4͒ evenparity levels have been accurately measured in a four-photon experiment [5]. The nsЈ ͑J =0͒ and ndЈ ͑J =2͒ levels are known from two-photon laser spectroscopy from the 6s ͓ 3 2 ͔ ͑J =2͒ odd-parity metastable level [6].…”

Section: Introductionmentioning

confidence: 99%

“…The uncertainty in the peak positions is ±5 meV. The range of the assigned levels is compiled from known positions given in Refs [4][5][6]8]…”

mentioning

confidence: 99%

Ejected electron spectrum ofXebetween theP3∕22and
Childers
¹
,
deHarak
²
,
Martin
³

2004
Phys. Rev. A

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Electron-impact ejected-electron spectra of Xe autoionizing levels between the 2 P 3/2 and 2 P 1/2 ionic limits have been measured for incident energies from 16 to 150 eV and angles of ejection 50°, 90°, and 130°with respect to the incident beam direction. The spectra have been interpreted by the addition and subtraction of spectra at different angles and energies. Using these techniques, the gradual transition has been observed from mainly dipole excitation at high incident energies to the domination of nondipole and exchange excitation processes at the lowest energies.

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Three-photon excitation of autoionizing states of Ar, Kr, and Xe between the2P3

Abstract: Three-photon excitation of autoionizing states of Ar, Kr, and Xe between the 2Psub3/2 and 2Psub1/2 ionic limits Koeckhoven, S.M.; Buma, W.J.; de Lange, C.A.

Cited by 45 publications

References 45 publications

A resonance enhanced multiphoton ionization study of the gerade excited states of Xe2 with a Xe 1S+Xe* 6s[3/2]1 dissociation limit

A resonance enhanced multiphoton ionization study of the gerade excited states of Xe2 with a Xe 1S+Xe* 6s[3/2]1 dissociation limit

Strong-field photoionization ofO2at intermediate light intensity

Ejected electron spectrum ofXebetween theP3∕22and
Childers
¹
,
deHarak
²
,
Martin
³

2004
Phys. Rev. A

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Three-photon excitation of autoionizing states of Ar, Kr, and Xe between the2P3

Abstract: Three-photon excitation of autoionizing states of Ar, Kr, and Xe between the 2Psub3/2 and 2Psub1/2 ionic limits Koeckhoven, S.M.; Buma, W.J.; de Lange, C.A.

Cited by 45 publications

References 45 publications

A resonance enhanced multiphoton ionization study of the gerade excited states of Xe2 with a Xe 1S+Xe* 6s[3/2]1 dissociation limit

A resonance enhanced multiphoton ionization study of the gerade excited states of Xe2 with a Xe 1S+Xe* 6s[3/2]1 dissociation limit

Strong-field photoionization ofO2at intermediate light intensity

Ejected electron spectrum ofXebetween theP3∕22andChilders1, deHarak2, Martin3 2004Phys. Rev. A

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Product

Resources

About

Ejected electron spectrum ofXebetween theP3∕22and
Childers
¹
,
deHarak
²
,
Martin
³

2004
Phys. Rev. A