Development of full coherent plasma X-ray laser by using parametric high-order harmonics

• Project/Area Number: 17H02813
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Quantum beam science
• Research Institution: Hiroshima University
• Principal Investigator: Namba Shinichi 広島大学, 工学研究科, 教授 (00343294)
• Co-Investigator(Kenkyū-buntansha): 岸本 牧 国立研究開発法人量子科学技術研究開発機構, 関西光科学研究所 量子生命科学研究部, 上席研究員(定常) (40360432) ; 長谷川 登 国立研究開発法人量子科学技術研究開発機構, 関西光科学研究所 光量子科学研究部, 主幹研究員(定常) (50360409) ; 錦野 将元 国立研究開発法人量子科学技術研究開発機構, 関西光科学研究所 光量子科学研究部, グループリーダー(定常) (70370450)
• Project Period (FY): 2017-04-01 – 2020-03-31
• Project Status: Completed (Fiscal Year 2019)
• Budget Amount: ¥17,420,000 (Direct Cost: ¥13,400,000、Indirect Cost: ¥4,020,000); Fiscal Year 2019: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000); Fiscal Year 2018: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000); Fiscal Year 2017: ¥9,750,000 (Direct Cost: ¥7,500,000、Indirect Cost: ¥2,250,000)
• Keywords: X線レーザー / 高次高調波 / フルコヒーレンス / レーザープラズマ / コヒーレントX線レーザー / 超高速X線源 / プラズマ / コヒーレントプラズマX線レーザー / X線パラメトリック増幅 / プラズマX線レーザー / パラメトリック増幅 / 量子ビーム

Outline of Final Research Achievements

The objective of this research was to develop a temporal and spatial coherent X-ray laser. We employed the oscillator and amplifiler scheme: as the former one the high-order harmonics light was significantly amplified by means of the X-ray parametric amlification, while for the latter the lasing medium was generated by laser plasma itself.
As a result, we successfully amplified the harmonics experimentally and clarify the mechanism of it by numerical simulation based on quantum mechanics. In addition, the ultrashort laser beam was incident onto the Mo target and then the amplitude of stimulated emission lasing oscilattion occured at 18.9 nm wavelength. Thus, the lasing medium for seed harmonic beam amplification was formed with the compact experimental system.
These results indicated that we can realize the full coherent bright X-ray laser by combining two compact laser systems constructed in this research.

Academic Significance and Societal Importance of the Research Achievements

究極のレーザーとも呼ばれるX線レーザーは，物理学，化学，工学，医学，薬学，生命科学分野で革命的な診断・加工ツールを提供できるものとして大きな期待が寄せられてきた．本研究課題は従来，大型装置，時間コヒーレンス，出力の点で実用化の大きな障害となってきたX線レーザー開発を飛躍的に進歩させる新しい技術である．
本研究をさらに進めることにより，大学の研究室レベルで維持可能なフルコヒーレントX線レーザーが実現できれば，X線顕微鏡を用いた生きた精細胞観察や極超高速時間で粒子の運動を捉えたり，機能性材料の物性研究に寄与できる．X線レーザーの社会への波及効果は計り知れない．

Research Products

• [Int'l Joint Research] ウィーン工科大学(オーストリア)
• [Int'l Joint Research] カタルーニャ工科大(スペイン)
• [Int'l Joint Research] ウィーン工科大学(オーストリア)
• [Int'l Joint Research] カタルーニャ工科大学物理学科(スペイン)
• [Int'l Joint Research] ウィーン工科大学(オーストリア)
• [Int'l Joint Research] バルセロナ工科大学(スペイン)
• [Journal Article] Observation of gain coefficients of 15.47 nm Li-like Al soft x-ray laser in a recombining plasma pumped by a compact YAG laser (2020)
  • Author(s): S. Namba , C. John , T. Morishita , N. Kubo , M. Kishimoto , N. Hasegawa , M. Nishikino
  • Journal Title: High Energy Density Physic Volume: 25 Pages: 100790-100790
  • Peer Reviewed
• [Journal Article] Extreme-ultraviolet coherent pulse amplification in argon (2019)
  • Author(s): Serrat C.、Seres J.、Seres E.、Namba S.
  • Journal Title: Physical Review A Volume: 99 Issue: 6 Pages: 063425-063425
  • DOI: 10.1103/physreva.99.063425
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Demonstration of Plasma Window with 20mm Diameter and Pressure Separation for Accelerator Applications (2019)
  • Author(s): N. Ikoma, Y. Miyake, M. Takahashi, H. Okuno, S. Namba, K. Takahashi, T. Sasaki and T. Kikuchi
  • Journal Title: Plasma Fusion Res. Volume: 14 Pages: 1206148-1206148
  • Peer Reviewed
• [Journal Article] Soft X-ray spectral analysis of laser produced molybdenum plasmas using the fundamental and second harmonics of a Nd:YAG laser (2019)
  • Author(s): Lokasani Ragava、Kawasaki Hiromu、Shimada Yuta、Shoji Misaki、Anraku Kyoya、Ejima Takeo、Hatano Tadashi、Jiang Weihua、Namba Shinichi、Nikl Jan、Zeman Michal、O’Sullivan Gerry、Higashiguchi Takeshi、Limpouch Jiri
  • Journal Title: Optics Express Volume: 27 Issue: 23 Pages: 33351-33358
  • DOI: 10.1364/oe.27.033351
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Spatially resolved laser absorption spectroscopy on a micro-hollow cathode He plasma (2019)
  • Author(s): Ueno Keisuke、Kamebuchi Kenta、Kakutani Jiro、Matsuoka Leo、Namba Shinichi、Fujii Keisuke、Shikama Taiichi、Hasuo Masahiro
  • Journal Title: Japanese Journal of Applied Physics Volume: 58 Issue: SA Pages: SAAB03-SAAB03
  • DOI: 10.7567/1347-4065/aaec19
  • Peer Reviewed
• [Journal Article] Optimized highly charged ion production for strong soft x-ray sources obeying a quasi-Moseley’s law (2019)
  • Author(s): Shimada Yuta、Kawasaki Hiromu、Watanabe Kanon、Hara Hiroyuki、Anraku Kyoya、Shoji Misaki、Oba Toru、Matsuda Masaru、Jiang Weihua、Sunahara Atsushi、Nishikino Masaharu、Namba Shinichi、O’Sullivan Gerry、Higashiguchi Takeshi
  • Journal Title: AIP Advances Volume: 9 Issue: 11 Pages: 115315-115315
  • DOI: 10.1063/1.5127943
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Enhancement of water-window soft x-ray emission from laser-produced Au plasma under low-pressure nitrogen atmosphere (2019)
  • Author(s): John Christian、Kishimoto Maki、Johzaki Tomoyuki、Higashiguchi Takeshi、Kakunaka Noboru、Matsumoto Yasuhiro、Hasegawa Noboru、Nishikino Masaharu、Ejima Takeo、Sunahara Atsushi、Endo Takuma、Namba Shinichi
  • Journal Title: Optics Letters Volume: 44 Issue: 6 Pages: 1439-1442
  • DOI: 10.1364/ol.44.001439
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Experiments on laser cleaning of sooted optical windows (2018)
  • Author(s): Endo Takuma、Okada Kazuki、Ito Yuto、Kim Wookyung、Johzaki Tomoyuki、Namba Shin-ichi
  • Journal Title: Applied Optics Volume: 57 Issue: 36 Pages: 10522-10522
  • DOI: 10.1364/ao.57.010522
  • Peer Reviewed
• [Journal Article] High-density cascade arc plasma sources for application to plasma windows for virtual vacuum interfaces (2018)
  • Author(s): Namba S.、Iwamoto Y.、Asano Y.、Shugyo T.、Fukuyama K.、Ikoma N.、Okuno H.、Tamura N.、Endo T.
  • Journal Title: Physics of Plasmas Volume: 25 Issue: 11 Pages: 113511-113511
  • DOI: 10.1063/1.5070071
  • Peer Reviewed
• [Journal Article] Intense water-window soft x-ray emission by spectral control using dual laser pulses (2018)
  • Author(s): G. Arai, H. Hara, T. Hatano, T. Ejima, W. Jiang, H. Ohashi, S. Namba, A. Sunahara, A. Sasaki, M. Nishikino, G. O'Sullivan, T. Higashiguchi
  • Journal Title: Optics Express Volume: 26 Issue: 21 Pages: 27748-27756
  • DOI: 10.1364/oe.26.027748
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Spectral dynamics of soft x-ray emission in dual laser-produced medium-Z plasma (2018)
  • Author(s): H. Ohashi, H. Hara, G. Arai, T. Hatano, T. Ejima, C. Suzuki, S. Namba, A. Sasaki, M. Nishikino, G. O'Sullivan, T. Higashiguchi
  • Journal Title: Applied Physics B Volume: 124 Issue: 10 Pages: 193-193
  • DOI: 10.1007/s00340-018-7061-3
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Emission of water-window soft x-rays under optically thin conditions using low-density foam targets (2018)
  • Author(s): H. Hara, H. Kawasaki, T. Tamura, T. Hatano, T. Ejima, W. Jiang, H. Ohashi, S. Namba, A. Sunahara, A. Sasaki, M. Nishikino, G. O'Sullivan, T. Higashiguchi
  • Journal Title: Optics Letters Volume: 43 Issue: 15 Pages: 3750-3753
  • DOI: 10.1364/ol.43.003750
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Generation of a Large Diameter He Cascade Arc Plasma for a Plasma Window Application (2018)
  • Author(s): Asano Y.、Iwamoto Y.、Fukuyama K.、Tamura N.、Endo T.、Namba S.
  • Journal Title: IEEE Transactions on Plasma Science Volume: 46 Issue: 7 Pages: 2626-2629
  • DOI: 10.1109/tps.2018.2845445
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Comparative study of laser ignition and spark-plug ignition in high-speed flow (2018)
  • Author(s): T. Endo, K. Kuwamoto, W. Kim, T. Johzaki, D. Shimokuri, S. Namba
  • Journal Title: Combustion and Flame Volume: 191 Pages: 408-417
  • DOI: 10.1364/lic.2017.lwa4.1
  • Peer Reviewed
• [Journal Article] An experimental study on the ignition ability of a laser-induced gaseous breakdown (2017)
  • Author(s): T. Endo, Y. Takenaka, Y. Sako, T. Johzaki, S. Namba, and D. Shimokuri
  • Journal Title: Combustion and Flame Volume: 178 Pages: 1-6
  • DOI: 10.1016/j.combustflame.2017.01.016
  • Peer Reviewed / Acknowledgement Compliant
• [Journal Article] Measurement of ion Mach number of arcjet plasmas by a directional Langmuir probe under high-gas pressure (2017)
  • Author(s): W. Sasano, T. Shikama, K. Kozue, L. Matsuoka, N. Tamura and S. Namba
  • Journal Title: IEEE Transactions on Plasma Science Volume: 3 Issue: 3 Pages: 285-288
  • DOI: 10.1109/tps.2017.2653846
  • Peer Reviewed
• [Journal Article] Attosecond sublevel beating and nonlinear dressing on the 3d-to-5p and 3p-to-5s core-transitions at 913 eV and 2104 eV in krypton (2017)
  • Author(s): Seres Enikoe、Seres Jozsef、Namba Shinichi、Afa John、Serrat Carles
  • Journal Title: Optics Express Volume: 25 Issue: 25 Pages: 31774-31774
  • DOI: 10.1364/oe.25.031774
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Presentation] Observation of keV X-ray emitted from laser produced Au plasmas by using a crystal spectrometer (2019)
  • Author(s): T. MORISHITA, Y. MATSUMOTO, C. JOHN, M. KISHIMOTO, K. MATSUKADO,T. JOUZAKI and S. NAMBA
  • Organizer: AIP conference, DPP
  • Int'l Joint Research
• [Presentation] Development of a compact cascade arc discharge apparatus and its application to generation of a sheet plasma (2019)
  • Author(s): Takumi YAMAGUCHI, Takahiro SHUGYO, Kohei FUKUYAMA, Naoki TAMURA and Shinichi NAMBA
  • Organizer: AIP conference, DPP
  • Int'l Joint Research
• [Presentation] Characteristics of soft x-ray emissions from Au plasmas generated with various driving laser pulse durations (2019)
  • Author(s): YASUHIRO MATSUMOTO, CHRISTIAN JOHN, TAKEHIRO MOR ISHITA, MAKI KISHIMOTO, SHINICHI NAMBA
  • Organizer: AIP conference, DPP
  • Int'l Joint Research
• [Presentation] Generation of a high-density Ar plasma for plasma window (2019)
  • Author(s): T.Syugyo, K. Fukuyama, T.Yamaguchi, N. Tamura and S. Namba
  • Organizer: Asia-Pacific Conference on Plasma Physics,
  • Int'l Joint Research
• [Presentation] Lithium-like aluminum ion recombination plasma X-ray laser at 15.5 nm (2019)
  • Author(s): J. WANG, K. MURAKAMI, R. SHINMORI, M. KISHIMOTO, and S. NAMBA
  • Organizer: Asia-Pacific Conference on Plasma Physics,
  • Int'l Joint Research
• [Presentation] Emission spectroscopy of high-density helium plasmas in a cascade arc discharge source (2019)
  • Author(s): K. Fukuyama, T.Syugyo, T.Yamaguchi, N. Tamura and S. Namba
  • Organizer: Asia-Pacific Conference on Plasma Physics,
  • Int'l Joint Research
• [Presentation] Characteristics of a High-density Cascade Arc Discharge for an Atmosphere-vacuum Interface (2018)
  • Author(s): S. Namba
  • Organizer: 24th International Conference on Spectral Line Shapes
  • Int'l Joint Research / Invited
• [Presentation] Anomalous enhancement of water window X-rays emitted from laser produced Au plasma under low-pressure nitrogen atmosphere (2018)
  • Author(s): S. Namba
  • Organizer: 2nd Asia-Pacific Conference on Plasma Physics
  • Int'l Joint Research / Invited
• [Presentation] Water window soft X-ray emission from Au plasmas generated with a picosecond laser pulse (2018)
  • Author(s): N. Kakunaka1, C. John, M. Kishimoto, Y. Matsumoto, N. Hasegawa, M. Nishikino, T. Higashiguchi, T. Ejima, A. Sunahara, F. Nakajima, T. Johzaki and T. Endo, S. Namba
  • Organizer: 2nd Asia-Pacific Conference on Plasma Physics
• [Presentation] Development of a cascade arc discharge source for an atmosphere-vacuum interface device (2018)
  • Author(s): T. Shugyo, S. Namba, Y. Iwamoto, Y. Asano, K. Fukuyama, L. Matsuoka
  • Organizer: 2nd Asia-Pacific Conference on Plasma Physics
• [Presentation] Characterization of a Large Diameter Cascade Arc Discharge Plasma (2018)
  • Author(s): Y. Iwamoto, Y. Asano, K. Fukuyama, T. Syugyo, N. Tamura and S. Namba
  • Organizer: 2nd Asia-Pacific Conference on Plasma Physics
• [Presentation] Observation of water-window soft X-ray emitted from laser plasmas generated in N2 gas atmospheres (2018)
  • Author(s): C. John, N. Kakunaka, Y. Matsumoto, M. Kishimoto and S. Namba
  • Organizer: 2nd Asia-Pacific Conference on Plasma Physics
• [Presentation] Construction of a He cascade arc plasma window device for an alternative differential pumping system (2018)
  • Author(s): Y. Asano, Y. Iwamoto, N. Tamura, S. Namba
  • Organizer: 60th Anuual meeting of the American Physical Society, division of Plasma Physics
• [Presentation] Observation of enhancement in water window laser plasma X-ray under nitrogen atmosphere (2018)
  • Author(s): Y. MATSUMOTO, C. JOHN, N. KAKUNAKA, T . MORISHITA, J. YU JIN, M. KISHIMOTO and S. NAMBA
  • Organizer: 60th Anuual meeting of the American Physical Society, division of Plasma Physics
• [Presentation] Development of a large diameter cascade arc discharge source for plasma windows (2018)
  • Author(s): Y. Iwamoto, Y. Asano, L. Matsuoka, N. Tamura, S. Namba
  • Organizer: Asia-Pacific International Symposium on Basics and Applications of Plasma Technology
  • Int'l Joint Research
• [Presentation] X線パラメトリック増幅を用いたプラズマX線レーザー (2017)
  • Author(s): 難波愼一，J. Seres，E. Seres，C. Serrat, 長谷川登，岸本牧，錦野将元
  • Organizer: 光・量子ビーム科学合同シンポジウム2017
  • Invited
• [Presentation] パラメトリック増幅高調波を用いたフルコヒーレントプラズマX線レーザー (2017)
  • Author(s): 難波愼一，Dinh Thanh Hung, 長谷川登，岸本牧，錦野将元, Jozsef Seres, Carles Serrat
  • Organizer: Plasma 2017
• [Presentation] リチウム様アルミイオンにおける再結合型軟X線レーザーの発生 (2017)
  • Author(s): 難波愼一，久保暢明，佐藤祐太，長谷川登，岸本牧，錦野将元
  • Organizer: レーザー学会年会
• [Presentation] Development of a Cascade Arc Discharge for an Atmosphere-vacuum Interface (2017)
  • Author(s): S. Namba
  • Organizer: Gaseous Electric Conference
  • Int'l Joint Research
• [Book] プラズマ産業応用技術 －表面処理から環境，医療，バイオ，農業用途まで－ (2017)
  • Author(s): 難波愼一
  • Total Pages: 10
  • Publisher: シーエムシー出版
  • ISBN: 9784781312569
• [Remarks] 研究室ホームページ
  • URL: https://www.plasmasciencelab.com/