Ultrafast atomic and molecular imaging with intense elliptic polarized laser pulses

• Project/Area Number: 17K05597
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Atomic/Molecular/Quantum electronics
• Research Institution: The University of Electro-Communications
• Principal Investigator: Morishita Toru 電気通信大学, 量子科学研究センター, 教授 (20313405)
• Project Period (FY): 2017-04-01 – 2020-03-31
• Project Status: Completed (Fiscal Year 2019)
• Budget Amount: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000); Fiscal Year 2019: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000); Fiscal Year 2018: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000); Fiscal Year 2017: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
• Keywords: アト秒 / 原子・分子物理

Outline of Final Research Achievements

We have studied ultrafast atomic and molecular imaging utilizing recollision processes induced by intense laser pulse radiation.We have quantitatively analyzed the photoelectron momentum distributions generated under linear, elliptic, and circular polarized laser pulses. Thus we obtain deeper understanding of the intense laser-matter interactions.

Academic Significance and Societal Importance of the Research Achievements

原子・分子内電子の運動スケールであるアト秒領域の超高速物質ダイナミクスに関する理論的研究を行った。レーザーの偏光などを調整して原子・分子のイオン化過程を制御することにより、多様な反応ダイナミクスを調べた。レーザー照射による光電子から標的原子・分子の構造の情報が精度よく得られることを示した。これにより、実時間原子分子ダイナミクスの研究に新しい道が拓けた。

Research Products

• [Int'l Joint Research] モスクワ工科大学(ロシア連邦)
• [Int'l Joint Research] モスクワ物理工科大(ロシア連邦)
• [Int'l Joint Research] MIPT(ロシア連邦)
• [Journal Article] Adiabatic theory of strong-field ionization of molecules including nuclear motion (2020)
  • Author(s): Svensmark Jens、Tolstikhin Oleg I.、Morishita Toru
  • Journal Title: Physical Review A Volume: 101 Issue: 5 Pages: 053422-053422
  • DOI: 10.1103/physreva.101.053422
  • NAID: 130008157632
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Intensity dependence in nonsequential double ionization of helium (2020)
  • Author(s): Chen Zhangjin、Wen Hua、Liu Fang、Morishita Toru、Zatsarinny Oleg、Bartschat Klaus
  • Journal Title: Optics Express Volume: 28 Issue: 5 Pages: 6490-6490
  • DOI: 10.1364/oe.386971
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Angle dependence of dissociative tunneling ionization of NO in asymmetric two-color intense laser fields (2019)
  • Author(s): Endo Tomoyuki、Fujise Hikaru、Hasegawa Hiroka、Matsuda Akitaka、Fushitani Mizuho、Tolstikhin Oleg I.、Morishita Toru、Hishikawa Akiyoshi
  • Journal Title: Physical Review A Volume: 100 Issue: 5 Pages: 053422-053422
  • DOI: 10.1103/physreva.100.053422
  • NAID: 120006808753
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Rescattering photoelectron spectroscopy of the CO2 molecule: Progress towards experimental discrimination between theoretical target-structure models (2019)
  • Author(s): Okunishi Misaki、Ito Yuta、Sharma Vandana、Aktar Shejuty、Ueda Kiyoshi、Lucchese Robert R.、Dnestryan Andrey I.、Tolstikhin Oleg I.、Inoue Shunsuke、Matsui Hirokazu、Morishita Toru
  • Journal Title: Physical Review A Volume: 100 Issue: 5 Pages: 053404-053404
  • DOI: 10.1103/physreva.100.053404
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Revisiting the recollisional excitation-tunneling process in strong-field nonsequential double ionization of helium (2019)
  • Author(s): Chen Zhangjin、Wang Yali、Morishita Toru、Hao Xiaolei、Chen Jing、Zatsarinny Oleg、Bartschat Klaus
  • Journal Title: Physical Review A Volume: 100 Issue: 2 Pages: 023405-023405
  • DOI: 10.1103/physreva.100.023405
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Strong-field ionization, rescattering, and target structure imaging with vortex electrons (2019)
  • Author(s): Tolstikhin Oleg I.、Morishita Toru
  • Journal Title: Physical Review A Volume: 99 Issue: 6 Pages: 063415-063415
  • DOI: 10.1103/physreva.99.063415
  • NAID: 130008157629
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Pulse-duration dependence of the double-to-single ionization ratio of Ne by intense 780-nm and 800-nm laser fields: Comparison of simulations with experiments (2019)
  • Author(s): Chen Zhangjin、Zhang Lina、Wang Yali、Zatsarinny Oleg、Bartschat Klaus、Morishita Toru、Lin C. D.
  • Journal Title: Physical Review A Volume: 99 Issue: 4 Pages: 043408-043408
  • DOI: 10.1103/physreva.99.043408
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Images of molecular orbitals in strong-field photoelectron momentum distributions generated by circularly polarized pulses (2019)
  • Author(s): Pham Vinh N. T.、Tolstikhin Oleg I.、Morishita Toru
  • Journal Title: Physical Review A Volume: 99 Issue: 1 Pages: 013428-013428
  • DOI: 10.1103/physreva.99.013428
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Weak-field asymptotic theory of tunneling ionization from nearly degenerate states (2018)
  • Author(s): Samygin Pavel K.、Morishita Toru、Tolstikhin Oleg I.
  • Journal Title: Physical Review A Volume: 98 Issue: 3 Pages: 033401-033401
  • DOI: 10.1103/physreva.98.033401
  • NAID: 130008148836
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Rescattering photoelectron spectroscopy of heterodiatomic molecules with an analytical returning photoelectron wave packet (2018)
  • Author(s): Ito Yuta、Okunishi Misaki、Morishita Toru、Tolstikhin Oleg I.、Ueda Kiyoshi
  • Journal Title: Physical Review A Volume: 97 Issue: 5 Pages: 053411-053411
  • DOI: 10.1103/physreva.97.053411
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Adiabatic theory of strong-field photoelectron momentum distributions near a backward rescattering caustic (2017)
  • Author(s): T. Morishita and O. I. Tolstikhin
  • Journal Title: Phys. Rev. A Volume: 96 Issue: 5 Pages: 053416-053416
  • DOI: 10.1103/physreva.96.053416
  • NAID: 130007736711
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Photoionization of hydrogen in a strong static electric field (2017)
  • Author(s): S. Ohgoda, O. I. Tolstikhin, and T. Morishita
  • Journal Title: Phys. Rev. A Volume: 95 Issue: 4 Pages: 043417-043417
  • DOI: 10.1103/physreva.95.043417
  • NAID: 130007510817
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Strong-field subcycle control of dissociation dynamics via exceptional points of molecules in an electric field (2017)
  • Author(s): C. Huang, O. I. Tolstikhin, and T. Morishita
  • Journal Title: Phys. Rev. A Volume: 95 Issue: 6 Pages: 063416-063416
  • DOI: 10.1103/physreva.95.063416
  • NAID: 130007648771
  • Peer Reviewed / Int'l Joint Research