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Control of standing wave type hard x ray laser and their applications

Research Project

Project/Area Number 20H04452
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 80040:Quantum beam science-related
Research InstitutionThe University of Electro-Communications

Principal Investigator

YONEDA Hitoki  電気通信大学, レーザー新世代研究センター, 教授 (00210790)

Project Period (FY) 2020-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥17,940,000 (Direct Cost: ¥13,800,000、Indirect Cost: ¥4,140,000)
Fiscal Year 2022: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2021: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2020: ¥8,840,000 (Direct Cost: ¥6,800,000、Indirect Cost: ¥2,040,000)
KeywordsX線レーザー / 分布帰還型レーザー / 高出力レーザー / 周波数安定化レーザー / X線自由電子レーザー / Bragg 回折 / レーザー / 共振器 / 定在波型レーザー / ブラッグ共鳴 / コヒーレントX線光学 / モード制御
Outline of Research at the Start

最近我々が開発した、XFEL励起ハードX線レーザーにおいて、ブラッグ回折を利用することで共振器と同様の定在波を有するレーザー発振を研究対象とする。この新しいブラック回折を利用したハードX線領域の定在波型レーザーの制御方法を確立し、そこで起きる原子と共鳴光との強い結合から得られる現象を実験的に明らかにすること、および、その高いコヒーレンスを持つ光の応用を開拓する。

Outline of Final Research Achievements

We developed a distributed feedback laser for the first time in the hard X-ray region, and have carried out proof-of-principle experiments, development of computer code to understand internal dynamic characteristics, and evaluation of temperature stability. In the field of hard X-rays, laser light has been obtained since the development of X-ray free electron lasers, but in order to produce light with higher precision and to develop new coherent optics, it is necessary to develop laser light with high coherence. was necessary. However, the method of using feedback to the resonator, which is generally used in the field of optical lasers, could not be realized in the field of hard X-rays due to the lack of good mirrors. Therefore, here, we developed a technique that utilizes the Bragg diffraction of crystals.

Academic Significance and Societal Importance of the Research Achievements

レーザーの分野では、常に短波長化、短パルス化、高出力化、高コヒーレンス化が行われてきており、それが達成されると、新しい光科学研究が生まれている。ハードX線の領域でも、この様な方向性が期待されているが、まだ基本的な光学素子が開発できていない、非常に短波長になるので、高精度の光学素子や光学系が必要になる、などの困難さがあり、未だ実現できてはいない。その中で、本研究で開発された手法は、光学レーザー領域でのレーザー励起レーザーが多くのことを成し遂げていることの類似としても非常に期待できるものになっている。

Report

(4 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Annual Research Report
  • 2020 Annual Research Report
  • Research Products

    (11 results)

All 2023 2022 2021 2020 Other

All Int'l Joint Research (3 results) Journal Article (3 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 3 results,  Open Access: 2 results) Presentation (5 results) (of which Int'l Joint Research: 2 results,  Invited: 3 results)

  • [Int'l Joint Research] SLAC/University of Wisconsin-Madison,/Lawrence Berkeley National Laboratory(米国)

    • Related Report
      2022 Annual Research Report
  • [Int'l Joint Research] SLAC/University of Wisconsin-Madsion(米国)

    • Related Report
      2020 Annual Research Report
  • [Int'l Joint Research] DESY(ドイツ)

    • Related Report
      2020 Annual Research Report
  • [Journal Article] Seeded stimulated X-ray emission at 5.9keV2023

    • Author(s)
      M.D.Doyle, A.Halavanau, Y.Zhang, Y.Michine, J.Everts, F.Fuller, R.Alonso-Mori, M.Yabashi, I.Inoue, T.Osaka, J.Yamada, Y.Inubushi, T.Hara, J.Kern, J.Yano, V.K.Yachandra, N.Rohringer, H.Yoneda, T.Kroll, C.Pellegrini, and U.Bergmann
    • Journal Title

      Optica

      Volume: 10 Issue: 4 Pages: 513-519

    • DOI

      10.1364/optica.485989

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Generation of intense phase-stable femtosecond hard X-ray pulse pairs2022

    • Author(s)
      Zhang Yu, Kroll Thomas, Weninger Clemens et al.
    • Journal Title

      Proceedings of the National Academy of Sciences

      Volume: 119 Issue: 12

    • DOI

      10.1073/pnas.2119616119

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Shortening X-Ray Pulse Duration via Saturable Absorption2021

    • Author(s)
      Inoue Ichiro、Inubushi Yuichi、Osaka Taito、Yamada Jumpei、Tamasaku Kenji、Yoneda Hitoki、Yabashi Makina
    • Journal Title

      Physical Review Letters

      Volume: 127 Issue: 16 Pages: 163903-163903

    • DOI

      10.1103/physrevlett.127.163903

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Presentation] Absolute wavelength stabilized laser in hard x ray region2022

    • Author(s)
      Hioki Yoneda
    • Organizer
      Radiative properties and hot dense matter 2022
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Frequency stabilized hard x ray lasers2022

    • Author(s)
      Hitoki Yoneda, Yurina Michine, Yuichi Inubushi, Makina Yabashi
    • Organizer
      Conference on Lasers and Electro-Optics Pacific Rim2022
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 定在波型ハードX線レーザーの研究2021

    • Author(s)
      米田仁紀
    • Organizer
      レーザー学会学術講演会 第41回年次大会
    • Related Report
      2020 Annual Research Report
    • Invited
  • [Presentation] 高コヒーレントX線レーザーへの展開2020

    • Author(s)
      米田仁紀
    • Organizer
      第3回 光材料・応用技術研究会「レーザー発振60年に、過去30年未来30年の材料を考える」
    • Related Report
      2020 Annual Research Report
    • Invited
  • [Presentation] 進行波励起定在波型ハードX線レーザーの動作原理の研究2020

    • Author(s)
      米田仁紀
    • Organizer
      日本物理学会第76回年次大会
    • Related Report
      2020 Annual Research Report

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Published: 2020-04-28   Modified: 2025-01-30  

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