Multiphoton double ionization of Ar in intense extreme ultraviolet laser fields studied by shot-by-shot photoelectron spectroscopy

Y. Hikosaka; M. Fushitani; A. Matsuda; C. M. Tseng; A. Hishikawa; E. Shigemasa; M. Nagasono; K. Tono; T. Togashi; H. Ohashi; H. Kimura; Y. Senba; M. Yabashi; T. Ishikawa

doi:10.1103/PhysRevLett.105.133001

Multiphoton double ionization of Ar in intense extreme ultraviolet laser fields studied by shot-by-shot photoelectron spectroscopy

Y. Hikosaka^*, M. Fushitani, A. Matsuda, C. M. Tseng, A. Hishikawa, E. Shigemasa, M. Nagasono, K. Tono, T. Togashi, H. Ohashi, H. Kimura, Y. Senba, M. Yabashi, T. Ishikawa

^*この論文の責任著者

教養教育学系

研究成果: ジャーナルへの寄稿 › 学術論文 › 査読

53 被引用数 (Scopus)

抄録

Photoelectron spectroscopy has been performed to study the multiphoton double ionization of Ar in an intense extreme ultraviolet laser field (hν∼21eV, ∼5TW/cm2), by using a free electron laser (FEL). Three distinct peaks identified in the observed photoelectron spectra clearly show that the double ionization proceeds sequentially via the formation of Ar ⁺: Ar+hν→Ar⁺+e^- and Ar ⁺+2hν→Ar2⁺+e^-. Shot-by-shot recording of the photoelectron spectra allows simultaneous monitoring of FEL spectrum and the multiphoton process for each FEL pulse, revealing that the two-photon ionization from Ar⁺ is significantly enhanced by intermediate resonances in Ar⁺.

本文言語	英語
論文番号	133001
ジャーナル	Physical Review Letters
巻	105
号	13
DOI	https://doi.org/10.1103/PhysRevLett.105.133001
出版ステータス	出版済み - 2010/09/21

ASJC Scopus 主題領域

物理学および天文学一般

文献へのアクセス

10.1103/PhysRevLett.105.133001

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引用スタイル

Hikosaka, Y., Fushitani, M., Matsuda, A., Tseng, C. M., Hishikawa, A., Shigemasa, E., Nagasono, M., Tono, K., Togashi, T., Ohashi, H., Kimura, H., Senba, Y., Yabashi, M., & Ishikawa, T. (2010). Multiphoton double ionization of Ar in intense extreme ultraviolet laser fields studied by shot-by-shot photoelectron spectroscopy. Physical Review Letters, 105(13), 記事 133001. https://doi.org/10.1103/PhysRevLett.105.133001

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title = "Multiphoton double ionization of Ar in intense extreme ultraviolet laser fields studied by shot-by-shot photoelectron spectroscopy",

abstract = "Photoelectron spectroscopy has been performed to study the multiphoton double ionization of Ar in an intense extreme ultraviolet laser field (hν∼21eV, ∼5TW/cm2), by using a free electron laser (FEL). Three distinct peaks identified in the observed photoelectron spectra clearly show that the double ionization proceeds sequentially via the formation of Ar +: Ar+hν→Ar++e- and Ar ++2hν→Ar2++e-. Shot-by-shot recording of the photoelectron spectra allows simultaneous monitoring of FEL spectrum and the multiphoton process for each FEL pulse, revealing that the two-photon ionization from Ar+ is significantly enhanced by intermediate resonances in Ar+.",

author = "Y. Hikosaka and M. Fushitani and A. Matsuda and Tseng, {C. M.} and A. Hishikawa and E. Shigemasa and M. Nagasono and K. Tono and T. Togashi and H. Ohashi and H. Kimura and Y. Senba and M. Yabashi and T. Ishikawa",

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Hikosaka, Y, Fushitani, M, Matsuda, A, Tseng, CM, Hishikawa, A, Shigemasa, E, Nagasono, M, Tono, K, Togashi, T, Ohashi, H, Kimura, H, Senba, Y, Yabashi, M & Ishikawa, T 2010, 'Multiphoton double ionization of Ar in intense extreme ultraviolet laser fields studied by shot-by-shot photoelectron spectroscopy', Physical Review Letters, vol. 105, no. 13, 133001. https://doi.org/10.1103/PhysRevLett.105.133001

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T1 - Multiphoton double ionization of Ar in intense extreme ultraviolet laser fields studied by shot-by-shot photoelectron spectroscopy

AU - Hikosaka, Y.

AU - Fushitani, M.

AU - Matsuda, A.

AU - Tseng, C. M.

AU - Hishikawa, A.

AU - Shigemasa, E.

AU - Nagasono, M.

AU - Tono, K.

AU - Togashi, T.

AU - Ohashi, H.

AU - Kimura, H.

AU - Senba, Y.

AU - Yabashi, M.

AU - Ishikawa, T.

PY - 2010/9/21

Y1 - 2010/9/21

N2 - Photoelectron spectroscopy has been performed to study the multiphoton double ionization of Ar in an intense extreme ultraviolet laser field (hν∼21eV, ∼5TW/cm2), by using a free electron laser (FEL). Three distinct peaks identified in the observed photoelectron spectra clearly show that the double ionization proceeds sequentially via the formation of Ar +: Ar+hν→Ar++e- and Ar ++2hν→Ar2++e-. Shot-by-shot recording of the photoelectron spectra allows simultaneous monitoring of FEL spectrum and the multiphoton process for each FEL pulse, revealing that the two-photon ionization from Ar+ is significantly enhanced by intermediate resonances in Ar+.

AB - Photoelectron spectroscopy has been performed to study the multiphoton double ionization of Ar in an intense extreme ultraviolet laser field (hν∼21eV, ∼5TW/cm2), by using a free electron laser (FEL). Three distinct peaks identified in the observed photoelectron spectra clearly show that the double ionization proceeds sequentially via the formation of Ar +: Ar+hν→Ar++e- and Ar ++2hν→Ar2++e-. Shot-by-shot recording of the photoelectron spectra allows simultaneous monitoring of FEL spectrum and the multiphoton process for each FEL pulse, revealing that the two-photon ionization from Ar+ is significantly enhanced by intermediate resonances in Ar+.

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