Výsledky vyhledávání - "Shuji SAKABE"

Akademický článek

Search for sub-eV axion-like particles in a stimulated resonant photon-photon collider with two laser beams based on a novel method to discriminate pressure-independent components

Autor: The SAPPHIRES collaboration, Yuri Kirita, Takumi Hasada, Masaki Hashida, Yusuke Hirahara, Kensuke Homma, Shunsuke Inoue, Fumiya Ishibashi, Yoshihide Nakamiya, Liviu Neagu, Akihide Nobuhiro, Takaya Ozaki, Madalin-Mihai Rosu, Shuji Sakabe, Ovidiu Tesileanu

Publikováno v: Journal of High Energy Physics, Vol 2022, Iss 10, Pp 1-20 (2022)

Abstract Sub-eV axion-like particles (ALPs) have been searched for by focusing two-color near-infrared pulse lasers into a vacuum along a common optical axis. Within the focused quasi-parallel collision system created by combining a creation field (2

Externí odkaz: https://doaj.org/article/ec913941f3d64fcab361954a63dfe117

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Akademický článek

Search for sub-eV axion-like resonance states via stimulated quasi-parallel laser collisions with the parameterization including fully asymmetric collisional geometry

Autor: The SAPPHIRES collaboration, Kensuke Homma, Yuri Kirita, Masaki Hashida, Yusuke Hirahara, Shunsuke Inoue, Fumiya Ishibashi, Yoshihide Nakamiya, Liviu Neagu, Akihide Nobuhiro, Takaya Ozaki, Madalin-Mihai Rosu, Shuji Sakabe, Ovidiu Tesileanu

Publikováno v: Journal of High Energy Physics, Vol 2021, Iss 12, Pp 1-28 (2021)

Abstract We have searched for axion-like resonance states by colliding optical photons in a focused laser field (creation beam) by adding another laser field (inducing beam) for stimulation of the resonance decays, where frequency-converted signal ph

Externí odkaz: https://doaj.org/article/84b7ffe2a08040d4b26fdb695089d2ee

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Akademický článek

Jitter-free 40-fs 375-keV electron pulses directly accelerated by an intense laser beam and their application to direct observation of laser pulse propagation in a vacuum

Autor: Shunsuke Inoue, Shuji Sakabe, Yoshihide Nakamiya, Masaki Hashida

Publikováno v: Scientific Reports, Vol 10, Iss 1, Pp 1-11 (2020)

Abstract We report the generation of ultrashort bright electron pulses directly driven by irradiating a solid target with intense femtosecond laser pulses. The duration of electron pulses after compression by a phase rotator composed of permanent mag

Externí odkaz: https://doaj.org/article/d025562a958c4f3b83dd2434a5040037

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Akademický článek

Demonstration of efficient relativistic electron acceleration by surface plasmonics with sequential target processing using high repetition lasers

Publikováno v: Physical Review Research, Vol 5, Iss 1, p 013062 (2023)

For high repetition ultrahigh-intensity laser system, automatic alignment of structured target is key to achieving consistent particle acceleration and plasma heating. In this work, we demonstrate efficient electron acceleration with two sequential s

Externí odkaz: https://doaj.org/article/6f3696e416ce405480c235c4b86aaaec

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Akademický článek

Increased energy of THz waves from a cluster plasma by optimizing laser pulse duration

Autor: Kazuaki Mori, Masaki Hashida, Takeshi Nagashima, Dazhi Li, Kensuke Teramoto, Yoshihide Nakamiya, Shunsuke Inoue, Shuji Sakabe

Publikováno v: AIP Advances, Vol 9, Iss 1, Pp 015134-015134-4 (2019)

We have investigated the generation of terahertz (THz) waves from an argon cluster plasma produced by laser pulses of various durations. THz energy depends on laser pulse duration and reaches a peak at a pulse duration of ∼250 fs. This dependence o

Externí odkaz: https://doaj.org/article/5547f52e720141528e8379c24224782a

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Akademický článek

Highly intensified emission of laser-accelerated electrons from a foil target through an additional rear laser plasma

Autor: Shunsuke Inoue, Yoshihide Nakamiya, Kensuke Teramoto, Masaki Hashida, Shuji Sakabe

Publikováno v: Physical Review Accelerators and Beams, Vol 21, Iss 4, p 041302 (2018)

Intensification of electrons escaping from an intense laser-produced plasma is demonstrated by using double femtosecond laser pulses. The electron density distribution at the rear surface of a laser-irradiated foil target is controlled by preirradiat

Externí odkaz: https://doaj.org/article/1931b522537a45588ec79a0d4b3024b3

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