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dc.contributor.author | Tokita, Shigeki | en |
dc.contributor.author | Sakabe, Shuji | en |
dc.contributor.author | Nagashima, Takeshi | en |
dc.contributor.author | Hashida, Masaki | en |
dc.contributor.author | Inoue, Shunsuke | en |
dc.contributor.alternative | 時田, 茂樹 | ja |
dc.contributor.alternative | 井上, 峻介 | ja |
dc.date.accessioned | 2016-05-25T02:47:22Z | - |
dc.date.available | 2016-05-25T02:47:22Z | - |
dc.date.issued | 2015-02-05 | - |
dc.identifier.issn | 2045-2322 | - |
dc.identifier.uri | http://hdl.handle.net/2433/212508 | - |
dc.description.abstract | Terahertz pulses trapped as surface waves on a wire waveguide can be flexibly transmitted and focused to sub-wavelength dimensions by using, for example, a tapered tip. This is particularly useful for applications that require high-field pulses. However, the generation of strong terahertz surface waves on a wire waveguide remains a challenge. Here, ultrafast field propagation along a metal wire driven by a femtosecond laser pulse with an intensity of 10[18] W/cm[2] is characterized by femtosecond electron deflectometry. From experimental and numerical results, we conclude that the field propagating at the speed of light is a half-cycle transverse-magnetic surface wave excited on the wire and a considerable portion of the kinetic energy of laser-produced fast electrons can be transferred to the sub-surface wave. The peak electric field strength of the surface wave and the pulse duration are estimated to be 200 MV/m and 7 ps, respectively. | en |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | Nature Publishing Group | en |
dc.rights | This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder in order to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ | en |
dc.title | Strong sub-terahertz surface waves generated on a metal wire by high-intensity laser pulses. | en |
dc.type | journal article | - |
dc.type.niitype | Journal Article | - |
dc.identifier.jtitle | Scientific reports | en |
dc.identifier.volume | 5 | - |
dc.relation.doi | 10.1038/srep08268 | - |
dc.textversion | publisher | - |
dc.identifier.artnum | 8268 | - |
dc.identifier.pmid | 25652694 | - |
dcterms.accessRights | open access | - |
出現コレクション: | 学術雑誌掲載論文等 |
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