Surface plasma resonance in XE clusters studied by EUV PUMP-NIR probe experiments

K. Nagaya; T. Sakai; T. Nishiyama Hiraki; S. Yase; K. Matsunami; K. Asa; H. Fukuzawa; K. Motomura; Y. Kumagai; W. Q. Xu; S. Wada; H. Hayashita; N. Saito; M. Nagasono; T. Togashi; M. Yabashi; K. Ueda

doi:10.1088/2399-6528/abdafa

Surface plasma resonance in XE clusters studied by EUV PUMP-NIR probe experiments

K. Nagaya, T. Sakai, T. Nishiyama Hiraki, S. Yase, K. Matsunami, K. Asa, H. Fukuzawa, K. Motomura, Y. Kumagai, W. Q. Xu, S. Wada, H. Hayashita, N. Saito, M. Nagasono, T. Togashi, M. Yabashi, K. Ueda

Division of Measurements

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

The ionization dynamics of Xe cluster was analyzed by extreme ultraviolet (EUV) pump-near infrared (NIR) probe experiments. The experiments were carried out for Xe clusters containing around 5000 atoms on average at the SPring-8 Compact SASE Source (SCSS) test accelerator in Japan. We recorded ion spectra emitted from Xe clusters as a function of the time delay between the EUV and NIR pulses. The ion yields up to highly-charged states were substantially enhanced when Xe clusters excited by the EUV pulses were illuminated by the NIR laser pulses at 1 to 2 ps after the pump pulse, providing a compelling evidence for nano-plasma formation and subsequent NIR absorption via surface plasma resonance. We also observed emergence of low kinetic energy Xe⁺ at long time delay, which can be attributed to the ionization of excited neutral atoms resulting from the electron-ion recombination in the expanding nano-plasma.

Original language	English
Article number	015014
Pages (from-to)	1-7
Number of pages	7
Journal	Journal of Physics Communications
Volume	5
Issue number	1
DOIs	https://doi.org/10.1088/2399-6528/abdafa
Publication status	Published - 2021

Keywords

Cluster
Free electron laser
Surface plasma resonance

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1088/2399-6528/abdafa

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Nagaya, K., Sakai, T., Hiraki, T. N., Yase, S., Matsunami, K., Asa, K., Fukuzawa, H., Motomura, K., Kumagai, Y., Xu, W. Q., Wada, S., Hayashita, H., Saito, N., Nagasono, M., Togashi, T., Yabashi, M., & Ueda, K. (2021). Surface plasma resonance in XE clusters studied by EUV PUMP-NIR probe experiments. Journal of Physics Communications, 5(1), 1-7. [015014]. https://doi.org/10.1088/2399-6528/abdafa

Nagaya, K, Sakai, T, Hiraki, TN, Yase, S, Matsunami, K, Asa, K, Fukuzawa, H, Motomura, K, Kumagai, Y, Xu, WQ, Wada, S, Hayashita, H, Saito, N, Nagasono, M, Togashi, T, Yabashi, M & Ueda, K 2021, 'Surface plasma resonance in XE clusters studied by EUV PUMP-NIR probe experiments', Journal of Physics Communications, vol. 5, no. 1, 015014, pp. 1-7. https://doi.org/10.1088/2399-6528/abdafa

@article{36dbd2657aca4ae7a60309c054e38ac4,

title = "Surface plasma resonance in XE clusters studied by EUV PUMP-NIR probe experiments",

abstract = "The ionization dynamics of Xe cluster was analyzed by extreme ultraviolet (EUV) pump-near infrared (NIR) probe experiments. The experiments were carried out for Xe clusters containing around 5000 atoms on average at the SPring-8 Compact SASE Source (SCSS) test accelerator in Japan. We recorded ion spectra emitted from Xe clusters as a function of the time delay between the EUV and NIR pulses. The ion yields up to highly-charged states were substantially enhanced when Xe clusters excited by the EUV pulses were illuminated by the NIR laser pulses at 1 to 2 ps after the pump pulse, providing a compelling evidence for nano-plasma formation and subsequent NIR absorption via surface plasma resonance. We also observed emergence of low kinetic energy Xe+ at long time delay, which can be attributed to the ionization of excited neutral atoms resulting from the electron-ion recombination in the expanding nano-plasma.",

keywords = "Cluster, Free electron laser, Surface plasma resonance",

author = "K. Nagaya and T. Sakai and Hiraki, {T. Nishiyama} and S. Yase and K. Matsunami and K. Asa and H. Fukuzawa and K. Motomura and Y. Kumagai and Xu, {W. Q.} and S. Wada and H. Hayashita and N. Saito and M. Nagasono and T. Togashi and M. Yabashi and K. Ueda",

note = "Funding Information: We are grateful to the late Prof. Makoto Yao for invaluable contributions. Authour thank to Prof. T. Fennel for fruitful dscussions. We thank to the SCSS Test Accelerator Operation Group at RIKEN for continuous support in the course of the studies. This work was supported by the x-ray Free Electron Laser Utilization Research Project of the Ministry of Education, Culture, Sports, Science, and Technology of Japan (MEXT), by the Grant-in-Aid for the Global COE Program {\textquoteleft}The Next Generation of Physics, Spun from Universality and Emergence{\textquoteright} from the MEXT, by the Grands-in-Aid (20310055, 21244062) from the Japan Society for the promotion of Science (JSPS), by the IMRAM project. Publisher Copyright: {\textcopyright} 2021 The Author(s). Published by IOP Publishing Ltd.",

year = "2021",

doi = "10.1088/2399-6528/abdafa",

language = "English",

volume = "5",

pages = "1--7",

journal = "Journal of Physics Communications",

issn = "2399-6528",

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TY - JOUR

T1 - Surface plasma resonance in XE clusters studied by EUV PUMP-NIR probe experiments

AU - Nagaya, K.

AU - Sakai, T.

AU - Hiraki, T. Nishiyama

AU - Yase, S.

AU - Matsunami, K.

AU - Asa, K.

AU - Fukuzawa, H.

AU - Motomura, K.

AU - Kumagai, Y.

AU - Xu, W. Q.

AU - Wada, S.

AU - Hayashita, H.

AU - Saito, N.

AU - Nagasono, M.

AU - Togashi, T.

AU - Yabashi, M.

AU - Ueda, K.

N1 - Funding Information: We are grateful to the late Prof. Makoto Yao for invaluable contributions. Authour thank to Prof. T. Fennel for fruitful dscussions. We thank to the SCSS Test Accelerator Operation Group at RIKEN for continuous support in the course of the studies. This work was supported by the x-ray Free Electron Laser Utilization Research Project of the Ministry of Education, Culture, Sports, Science, and Technology of Japan (MEXT), by the Grant-in-Aid for the Global COE Program ‘The Next Generation of Physics, Spun from Universality and Emergence’ from the MEXT, by the Grands-in-Aid (20310055, 21244062) from the Japan Society for the promotion of Science (JSPS), by the IMRAM project. Publisher Copyright: © 2021 The Author(s). Published by IOP Publishing Ltd.

PY - 2021

Y1 - 2021

N2 - The ionization dynamics of Xe cluster was analyzed by extreme ultraviolet (EUV) pump-near infrared (NIR) probe experiments. The experiments were carried out for Xe clusters containing around 5000 atoms on average at the SPring-8 Compact SASE Source (SCSS) test accelerator in Japan. We recorded ion spectra emitted from Xe clusters as a function of the time delay between the EUV and NIR pulses. The ion yields up to highly-charged states were substantially enhanced when Xe clusters excited by the EUV pulses were illuminated by the NIR laser pulses at 1 to 2 ps after the pump pulse, providing a compelling evidence for nano-plasma formation and subsequent NIR absorption via surface plasma resonance. We also observed emergence of low kinetic energy Xe+ at long time delay, which can be attributed to the ionization of excited neutral atoms resulting from the electron-ion recombination in the expanding nano-plasma.

AB - The ionization dynamics of Xe cluster was analyzed by extreme ultraviolet (EUV) pump-near infrared (NIR) probe experiments. The experiments were carried out for Xe clusters containing around 5000 atoms on average at the SPring-8 Compact SASE Source (SCSS) test accelerator in Japan. We recorded ion spectra emitted from Xe clusters as a function of the time delay between the EUV and NIR pulses. The ion yields up to highly-charged states were substantially enhanced when Xe clusters excited by the EUV pulses were illuminated by the NIR laser pulses at 1 to 2 ps after the pump pulse, providing a compelling evidence for nano-plasma formation and subsequent NIR absorption via surface plasma resonance. We also observed emergence of low kinetic energy Xe+ at long time delay, which can be attributed to the ionization of excited neutral atoms resulting from the electron-ion recombination in the expanding nano-plasma.

KW - Cluster

KW - Free electron laser

KW - Surface plasma resonance

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U2 - 10.1088/2399-6528/abdafa

DO - 10.1088/2399-6528/abdafa

M3 - Article

AN - SCOPUS:85100335856

SN - 2399-6528

VL - 5

SP - 1

EP - 7

JO - Journal of Physics Communications

JF - Journal of Physics Communications

IS - 1

M1 - 015014

ER -

Surface plasma resonance in XE clusters studied by EUV PUMP-NIR probe experiments

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