Surface plasma resonance in Xe clusters studied by EUV pump-NIR probe experiments | Zendy

Kiyonobu Nagaya | Zendy; Tsukasa Sakai | Zendy; Toshiyuki Nishiyama | Zendy; S Yase | Zendy; K. Matsunami | Zendy; Kazuki Asa | Zendy; H. Fukuzawa | Zendy; Koji Motomura | Zendy; Yoshiaki Kumagai | Zendy; Weiqing Xu | Zendy; S. Wada | Zendy; Hiromi HayashitaKinoh | Zendy; Norio Saitô | Zendy; Mitsuru Nagasono | Zendy; Tadashi Togashi | Zendy; Makina Yabashi | Zendy; Kiyoshi Ueda | Zendy

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Surface plasma resonance in Xe clusters studied by EUV pump-NIR probe experiments

Author(s) -

Kiyonobu Nagaya,

Tsukasa Sakai,

Toshiyuki Nishiyama,

S Yase,

K. Matsunami,

Kazuki Asa,

H. Fukuzawa,

Koji Motomura,

Yoshiaki Kumagai,

Weiqing Xu,

S. Wada,

Hiromi HayashitaKinoh,

Norio Saitô,

Mitsuru Nagasono,

Tadashi Togashi,

Makina Yabashi,

Kiyoshi Ueda

Publication year - 2021

Publication title -

journal of physics communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.407

H-Index - 17

ISSN - 2399-6528

DOI - 10.1088/2399-6528/abdafa

Subject(s) - extreme ultraviolet lithography , atomic physics , extreme ultraviolet , excited state , ionization , ion , plasma , xenon , resonance (particle physics) , chemistry , laser , materials science , optics , physics , optoelectronics , organic chemistry , quantum mechanics

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.

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