Pulse-delay effects in the angular distribution of near-threshold EUV + IR two-photon ionization of Ne

S. Mondal; H. Fukuzawa; K. Motomura; T. Tachibana; K. Nagaya; T. Sakai; K. Matsunami; S. Yase; M. Yao; S. Wada; H. Hayashita; N. Saito; C. Callegari; K. C. Prince; C. Miron; M. Nagasono; T. Togashi; M. Yabashi; K. L. Ishikawa; A. K. Kazansky; N. M. Kabachnik; K. Ueda

doi:10.1103/PhysRevA.89.013415

Pulse-delay effects in the angular distribution of near-threshold EUV + IR two-photon ionization of Ne

S. Mondal, H. Fukuzawa, K. Motomura, T. Tachibana, K. Nagaya, T. Sakai, K. Matsunami, S. Yase, M. Yao, S. Wada, H. Hayashita, N. Saito, C. Callegari, K. C. Prince, C. Miron, M. Nagasono, T. Togashi, M. Yabashi, K. L. Ishikawa, A. K. KazanskyN. M. Kabachnik, K. Ueda

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Abstract

Photoelectron angular distributions (PADs) from two-photon near-threshold ionization of Ne atoms by the combined action of femtosecond pulses from an extreme ultraviolet (EUV) free-electron laser and infrared (IR) laser have been studied experimentally and theoretically. Solutions of the time-dependent Schrödinger equation indicate that the PADs strongly depend on the time delay between EUV and IR pulses. The experimental results obtained for two extreme cases of completely overlapping and nonoverlapping pulses fully confirm the prediction, illustrating that the measurements of the time-delay dependence of the PAD provide a tool for investigating the fundamental problem of the relative importance of the resonant and nonresonant pathways in the two-color two-photon processes.

Original language	English
Article number	013415
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	89
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevA.89.013415
Publication status	Published - 2014 Jan 21

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1103/PhysRevA.89.013415

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Mondal, S., Fukuzawa, H., Motomura, K., Tachibana, T., Nagaya, K., Sakai, T., Matsunami, K., Yase, S., Yao, M., Wada, S., Hayashita, H., Saito, N., Callegari, C., Prince, K. C., Miron, C., Nagasono, M., Togashi, T., Yabashi, M., Ishikawa, K. L., ... Ueda, K. (2014). Pulse-delay effects in the angular distribution of near-threshold EUV + IR two-photon ionization of Ne. Physical Review A - Atomic, Molecular, and Optical Physics, 89(1), [013415]. https://doi.org/10.1103/PhysRevA.89.013415

Mondal, S, Fukuzawa, H, Motomura, K, Tachibana, T, Nagaya, K, Sakai, T, Matsunami, K, Yase, S, Yao, M, Wada, S, Hayashita, H, Saito, N, Callegari, C, Prince, KC, Miron, C, Nagasono, M, Togashi, T, Yabashi, M, Ishikawa, KL, Kazansky, AK, Kabachnik, NM & Ueda, K 2014, 'Pulse-delay effects in the angular distribution of near-threshold EUV + IR two-photon ionization of Ne', Physical Review A - Atomic, Molecular, and Optical Physics, vol. 89, no. 1, 013415. https://doi.org/10.1103/PhysRevA.89.013415

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title = "Pulse-delay effects in the angular distribution of near-threshold EUV + IR two-photon ionization of Ne",

abstract = "Photoelectron angular distributions (PADs) from two-photon near-threshold ionization of Ne atoms by the combined action of femtosecond pulses from an extreme ultraviolet (EUV) free-electron laser and infrared (IR) laser have been studied experimentally and theoretically. Solutions of the time-dependent Schr{\"o}dinger equation indicate that the PADs strongly depend on the time delay between EUV and IR pulses. The experimental results obtained for two extreme cases of completely overlapping and nonoverlapping pulses fully confirm the prediction, illustrating that the measurements of the time-delay dependence of the PAD provide a tool for investigating the fundamental problem of the relative importance of the resonant and nonresonant pathways in the two-color two-photon processes.",

author = "S. Mondal and H. Fukuzawa and K. Motomura and T. Tachibana and K. Nagaya and T. Sakai and K. Matsunami and S. Yase and M. Yao and S. Wada and H. Hayashita and N. Saito and C. Callegari and Prince, {K. C.} and C. Miron and M. Nagasono and T. Togashi and M. Yabashi and Ishikawa, {K. L.} and Kazansky, {A. K.} and Kabachnik, {N. M.} and K. Ueda",

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doi = "10.1103/PhysRevA.89.013415",

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T1 - Pulse-delay effects in the angular distribution of near-threshold EUV + IR two-photon ionization of Ne

AU - Mondal, S.

AU - Fukuzawa, H.

AU - Motomura, K.

AU - Tachibana, T.

AU - Nagaya, K.

AU - Sakai, T.

AU - Matsunami, K.

AU - Yase, S.

AU - Yao, M.

AU - Wada, S.

AU - Hayashita, H.

AU - Saito, N.

AU - Callegari, C.

AU - Prince, K. C.

AU - Miron, C.

AU - Nagasono, M.

AU - Togashi, T.

AU - Yabashi, M.

AU - Ishikawa, K. L.

AU - Kazansky, A. K.

AU - Kabachnik, N. M.

AU - Ueda, K.

PY - 2014/1/21

Y1 - 2014/1/21

N2 - Photoelectron angular distributions (PADs) from two-photon near-threshold ionization of Ne atoms by the combined action of femtosecond pulses from an extreme ultraviolet (EUV) free-electron laser and infrared (IR) laser have been studied experimentally and theoretically. Solutions of the time-dependent Schrödinger equation indicate that the PADs strongly depend on the time delay between EUV and IR pulses. The experimental results obtained for two extreme cases of completely overlapping and nonoverlapping pulses fully confirm the prediction, illustrating that the measurements of the time-delay dependence of the PAD provide a tool for investigating the fundamental problem of the relative importance of the resonant and nonresonant pathways in the two-color two-photon processes.

AB - Photoelectron angular distributions (PADs) from two-photon near-threshold ionization of Ne atoms by the combined action of femtosecond pulses from an extreme ultraviolet (EUV) free-electron laser and infrared (IR) laser have been studied experimentally and theoretically. Solutions of the time-dependent Schrödinger equation indicate that the PADs strongly depend on the time delay between EUV and IR pulses. The experimental results obtained for two extreme cases of completely overlapping and nonoverlapping pulses fully confirm the prediction, illustrating that the measurements of the time-delay dependence of the PAD provide a tool for investigating the fundamental problem of the relative importance of the resonant and nonresonant pathways in the two-color two-photon processes.

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Pulse-delay effects in the angular distribution of near-threshold EUV + IR two-photon ionization of Ne

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