レーザー励起再散乱電子を用いた分子イメージング

• 研究課題/領域番号: 21550003
• 研究種目: 基盤研究(C)
• 配分区分: 補助金
• 応募区分: 一般
• 研究分野: 物理化学
• 研究機関: 東北大学
• 研究代表者: 奥西 みさき 東北大学, 多元物質科学研究所, 助教 (80224161)
• 研究期間 (年度): 2009 – 2011
• 研究課題ステータス: 完了 (2011年度)
• 配分額: 4,810千円 (直接経費: 3,700千円、間接経費: 1,110千円); 2011年度: 1,170千円 (直接経費: 900千円、間接経費: 270千円); 2010年度: 1,040千円 (直接経費: 800千円、間接経費: 240千円); 2009年度: 2,600千円 (直接経費: 2,000千円、間接経費: 600千円)
• キーワード: 強光子場 / 原子分子 / 再散乱電子 / 角度分解光電子分光 / 物理化学 / 原子・分子

研究概要

強光子場中での分子の角度分解光電子再散乱運動量スペクトルを測定し、スペクトルの定量的解析から、電子・分子イオン微分散乱断面積を抽出し、理論計算との比較を行い、非常によい一致を見た。このことは、本研究で用いた手法がフェムト秒レーザーを用いた分子の構造決定に利用できることと示唆している。

研究成果

• [雑誌論文] Extracting Electron-Ion Differential Scattering Cross Sections for Partially Aligned Molecules by Laser-Induced Rescattering Photoelectron Spectroscopy (2011)
  • 著者名/発表者名: M. Okunishi, H. Niikura, R. R. Lucchese, T. Morishita, and K. Ueda
  • 雑誌名: Physical Review Letters 巻: 106
  • 査読あり
• [雑誌論文] Extracting Electron-Ion Differential Scattering Cross Sections for Partially Aligned Molecules by Laser-induced Rescattering Photoelectron Spectroscopy (2011)
  • 著者名/発表者名: M.Okunishi, et al.
  • 雑誌名: Physical Review Letters 巻: 106
  • 査読あり
• [雑誌論文] Dissociative double ionization of formic acid in intense laser fields (2010)
  • 著者名/発表者名: C. Wang, D. Ding, M. Okunishi, Z-G Wang, S-J Liu. G. Pruemper, K. Ueda
  • 雑誌名: Chemcal Physics Letters 巻: 497 ページ: 217-222
  • 査読あり
• [雑誌論文] Dissociative double ionization of formic acid in intense laser fields (2010)
  • 著者名/発表者名: C.Wang, et al.
  • 雑誌名: Chemical Physics Letters 巻: 497 ページ: 217-222
  • 査読あり
• [雑誌論文] Retrieval of experimental differential electron-ion elastic scattering cross sections from high-energy ATI spectra of rare gas atoms by infrared lasers (2009)
  • 著者名/発表者名: T. Morishita, M. Okunishi, K. Shimada, G. Pruemper, Z. Chen, S. Watanabe, K. Ueda, C. D. Lin
  • 雑誌名: Journal of Physics B : Atomic, Molecular and Optical Physics 巻: 42
  • 査読あり
• [雑誌論文] Strong-field electron spectra of rare-gas atoms in the rescattering regime : enhanced spectral regions and a simulation of the experiment (2009)
  • 著者名/発表者名: D. B. Milosevic, W. Becker, M. Okunishi, G. Pruemper, K. Shimada, K. Ueda
  • 雑誌名: Journal of Physics B : Atomic, Molecular and Optical Physics 巻: 43
  • 査読あり
• [雑誌論文] Two-source double-slit interference in angle-resolved high-energy above-threshold ionization spectra of diatoms (2009)
  • 著者名/発表者名: M. Okunishi, R. Itaya, K. Shimada, G. Pruemper, K. Ueda, M. Busuladizic, A. Gazibegovic-Busuladzic, D. B. Milosevic, W. Becker
  • 雑誌名: Physical Review Letters 巻: 103
  • 査読あり
• [雑誌論文] Two-source double-slit interference in angle-resolved high-energy above-threshold ionization spectra of diatoms (2009)
  • 著者名/発表者名: M.Okunishi
  • 雑誌名: Physical Review Letters 103
  • 査読あり
• [雑誌論文] Retrieval of experimental differential electron-ion elastic scattering cross sections from high-energy ATI spectra of rare gas atoms by infrared lasers (2009)
  • 著者名/発表者名: T.Morishita
  • 雑誌名: Journal of Physics B : Atomic, Molecular and Optic al Physics 42
  • 査読あり
• [雑誌論文] Strong-field electron spectra of rare-gas atoms in the rescattering regime : enhanced spectral regions and a simulation of the experiment (2009)
  • 著者名/発表者名: D.B.Milosevic
  • 雑誌名: Journal of Physics B : Atomic, Molecular and Optical Physics 43
  • 査読あり
• [学会発表] Rescattering Photoelectron Spectra of Molecules induced by intense ultrafast laser pulses (2012)
  • 著者名/発表者名: Misaki Okunishi
  • 学会等名: International workshop on theory for attosecond quantum dynamics 4
  • 発表場所: Tokyo, Japan
  • 年月日: 2012-02-03
• [学会発表] Rescattering Photoelectron Spectra of Molecules induced by intense ultrafast laser pulses (2012)
  • 著者名/発表者名: Misaki Okunishi
  • 学会等名: International workshop on theory for attosecond quantum dynamics 4
  • 発表場所: Tokyo, Japan(招待)
  • 年月日: 2012-02-03
• [学会発表] Extracting Electron-Ion Differential Scattering Cross Sections for Partially Aligned Molecules by Laser-induced Rescattering Photoelectron Spectroscopy (2011)
  • 著者名/発表者名: Misaki Okunishi
  • 学会等名: International Conference on Photonic, Electronic and Atomic Collisions
  • 発表場所: Belfast, Northern Ireland, UK
• [学会発表] Extracting Electron-Ion Differential Scattering Cross Sections for Partially Aligned Molecules by Laser-induced Rescattering Photoelectron Spectroscopy (2011)
  • 著者名/発表者名: M. Okunishi
  • 学会等名: 12th International Conference on Multiphoton Processes
  • 発表場所: Sapporo, Japan
• [学会発表] Electron-Ion Differential Cross Section extracting from the rescattering photoelectron spectroscopy of C2H4 and C2H6 (2011)
  • 著者名/発表者名: C. Wang
  • 学会等名: 12th International Conference on Multiphoton Processes
  • 発表場所: Sapporo, Japan
• [学会発表] Electron-Ion Differential Cross Section extracting from the rescattering photoelectron spectroscopy of C_2H_4 and C_2H_6 (2011)
  • 著者名/発表者名: C.Wang, M.Okunishi, R.Lucchese, T.Morishita, K.Shimada, K.Ueda
  • 学会等名: 12th International Conference on Multiphoton Processes
  • 発表場所: Sapporo, Japan
• [学会発表] Extracting Electron-Ion Differential Scattering Cross Sections for Partially Aligned Molecules by Laser-induced Rescattering Photoelectron Spectroscopy (2011)
  • 著者名/発表者名: Misaki Okunishi, Hiromichi Niikura, Robert R.Lucchese, Toru Morishita, Kiyoshi Ueda
  • 学会等名: XXVII International Conference on Photonic, Electronic and Atomic Collisions
  • 発表場所: Belfast, Northern Ireland, UK
• [学会発表] Angle resolved rescattering electron spectra of O2 and CO2 molecules induced by ultra-short intense laser pulses (2010)
  • 著者名/発表者名: Misaki Okunishi
  • 学会等名: 2010 International Chemical Congress of Pacific Basin
  • 発表場所: Societies, USA, Honolulu
• [学会発表] 強光子場中でのO2およびCO2分子の角度分解再散乱電子スペクトル (2010)
  • 著者名/発表者名: 奥西みさき
  • 学会等名: 第4回分子科学討論会
  • 発表場所: 大阪
• [学会発表] Angle resolved rescattering electron spectra of O2 and CO2 molecules induced by ultra-short intense laser pulses (2010)
  • 著者名/発表者名: M. Okunishi
  • 学会等名: International Conference on Many Particle Spectroscopy of Atoms, Molecules, Clusters, and Surfaces
  • 発表場所: Japan, Sendai
• [学会発表] Angle-resolved rescattering-electron spectra of atoms, molecules induced by ultra-short intense laser pulses (2010)
  • 著者名/発表者名: Misaki Okunishi
  • 学会等名: G-COE International Symposium on Physical Chemistry-Structures, Reactions, and Other Chemical Properties of Molecular Systems
  • 発表場所: Japan, Sendai
• [学会発表] Angle-resolved rescattering-electron spectra of O2 and CO2 molecules induced by ultra-short intense laser pulses (2010)
  • 著者名/発表者名: Misaki Okunishi
  • 学会等名: International conference on Vacuum Ultraviolet and X-ray Physics
  • 発表場所: Canada, Vancouver
• [学会発表] Angle-resolved rescattering-electron spectra of atoms, molecules induced by ultra-short intense laser pulses (2010)
  • 著者名/発表者名: Misaki Okunishi
  • 学会等名: G-COE International Symposium on Physical Chemistry-Structures, Reactions, and Other Chemical Properties of Molecular System
  • 発表場所: 仙台
• [学会発表] Angle-resolved rescattering-electron spectra of O_2 and CO_2 molecules induced by ultra-short intense laser pulses (2010)
  • 著者名/発表者名: M.Okunishi, et al.
  • 学会等名: International conference on Vacuum Ultraviolet and X-ray Physics
  • 発表場所: Vancouver, Canada
• [学会発表] Angle-resolved rescattering-electron spectra of O_2 and CO_2 molecules induced by ultra-short intense laser pulses (2010)
  • 著者名/発表者名: M.Olcunishi, et al.
  • 学会等名: International Conference on Many Particle Spectroscopy of Atoms, Molecules, Clusters, and Surfaces
  • 発表場所: Sendai, Japan
• [学会発表] 強光子場中でのO_2およびCO_2分子の角度分解再散乱電子スペクトル (2010)
  • 著者名/発表者名: 奥西みさき, 他
  • 学会等名: 第4回分子科学討論会
  • 発表場所: 仙台
• [学会発表] Angle-resolved rescattering-electron spectra of O_2 and CO_2 molecules induced by ultra-short intense laser pulses (2010)
  • 著者名/発表者名: M.Okunishi, et al.
  • 学会等名: 2010 International Chemical Congress of Pacific Basin Societies
  • 発表場所: Honolulu, USA
• [学会発表] Two-source double-slit interference in angle-resolved high-energy above-threshold ionization spectra of diatoms (2009)
  • 著者名/発表者名: 奥西みさき
  • 学会等名: International Workshop on Electronic Spectroscopy for Gas-phase molecules and Solid Surfaces
  • 発表場所: 松島
  • 年月日: 2009-10-13
• [学会発表] Two-source double-slit interference in angle-resolved high-energy above-threshold ionization spectra of diatoms (2009)
  • 著者名/発表者名: D.B.Milosevici
  • 学会等名: Attosecond Physics 2009
  • 発表場所: Manhattan, Kansas, USA
  • 年月日: 2009-07-31
• [学会発表] Angle-resolved high-energy ATI spectra of rare gas atoms and diatomic molecules (2009)
  • 著者名/発表者名: M. Okunishi
  • 学会等名: Symposium on Dynamics of Molecules and Clusters
  • 発表場所: Sendai
  • 年月日: 2009-07-03
• [学会発表] Angle-resolved high-energy ATI spectra of rare gas atoms and diatomic molecules (2009)
  • 著者名/発表者名: 奥西みさき
  • 学会等名: Symposium on Dynamics of Molecules and Clusters
  • 発表場所: 仙台
  • 年月日: 2009-07-03
• [学会発表] Two-source double-slit interference in angle-resolved high-energy above-threshold ionization spectra of diatoms (2009)
  • 著者名/発表者名: M. Okunishi
  • 学会等名: International Workshop on Electronic Spectroscopy for Gas-phase molecules and Solid Surfaces
  • 発表場所: Japan, Matsushima
• [学会発表] 強光子場中での希ガス原子の角度分解高エネルギーATIスペクトルの測定と電子-イオン微分散乱断面積の決定 (2009)
  • 著者名/発表者名: 奥西みさき
  • 学会等名: 第3回分子科学討論会
  • 発表場所: 名古屋
• [学会発表] Two-source double-slit interference in angle-resolved high-energy above-threshold ionization spectra of diatoms (2009)
  • 著者名/発表者名: D. B. Milosevic
  • 学会等名: Attosecond Physics 2009
  • 発表場所: USA, Manhattan, Kansas
• [学会発表] Two-source double-slit interference in angle-resolved high-energy above-threshold ionization spectra of diatoms (2009)
  • 著者名/発表者名: M. Okunishi
  • 学会等名: 第25回化学反応討論会
  • 発表場所: さいたま