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Plane photoacoustic wave generation in liquid water using irradiation of terahertz pulses
https://repo.qst.go.jp/records/80842
https://repo.qst.go.jp/records/8084247ba18d0-54e7-493d-9919-d7bfecfe7090
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-09-06 | |||||
タイトル | ||||||
タイトル | Plane photoacoustic wave generation in liquid water using irradiation of terahertz pulses | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Tsubochi, Masaaki
× Tsubochi, Masaaki× Hoshina, Hiromichi× Nagai, Masaya× Isoyama, Goro× Masaaki, Tsubouchi |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We demonstrate photoacoustic wave propagation with a plane wavefront in liquid water using a terahertz (THz) laser pulse. The THz light can effectively generate the photoacoustic wave in water because of strong absorption via a stretching vibration mode of the hydrogen bonding network. The excitation of a large-area water surface irradiated by loosely focused THz light produces a plane photoacoustic wave. This is in contrast with conventional methods using absorbers or plasma generation using near-infrared laser light. The photoacoustic wave generation and plane wave propagation are observed using a system with a THz free-electron laser and shadowgraph imaging. The plane photoacoustic wave is generated by incident THz light with a small radiant exposure of <1 mJ/cm2 and delivered 600 times deeper than the penetration depth of THz light for water. The THz-light-induced plane photoacoustic wave offers great advantages to non-invasive operations for industrial and biological applications as demonstrated in our previous report (Yamazaki et al, Sci. Rep. 846295 (2020)). | |||||
書誌情報 |
Scientific Reports 巻 10, p. 18537, 発行日 2020-10 |
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出版者 | ||||||
出版者 | Nature | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2045-2322 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1038/s41598-020-75337-6 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.nature.com/articles/s41598-020-75337-6 |