Characteristics of the soft X-ray emission from laser-produced highly charged platinum plasmas

Hiroyuki Hara; Goki Arai; Yoshiki Kondo; Thanh Hung Dinh; Padraig Dunne; Gerry O'sullivan; Takeo Ejima; Tadashi Hatano; Weihua Jiang; Masaharu Nishikino; Akira Sasaki; Atsushi Sunahara; Takeshi Higashiguchi

doi:10.7567/APEX.9.066201

Characteristics of the soft X-ray emission from laser-produced highly charged platinum plasmas

Hiroyuki Hara, Goki Arai, Yoshiki Kondo, Thanh Hung Dinh, Padraig Dunne, Gerry O'sullivan, Takeo Ejima, Tadashi Hatano, Weihua Jiang, Masaharu Nishikino, Akira Sasaki, Atsushi Sunahara, Takeshi Higashiguchi

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

6 Citations (Scopus)

Abstract

We characterized the spectral structure of the soft X-ray emission and determined the plasma parameters in laser-produced highly charged platinum plasmas. The spectral structure observed originated from Pt²¹⁺ to Pt³⁴⁺ ions, emissions from which overlapped to produce a high output flux in the carbon-window soft X-ray spectral region. Using dual laser pulse irradiation, we observed the maximum output flux, which was 20% larger than that obtained under single-laser irradiation, and the evolution of a strongly absorbed spectral structure, which was attributed to the effects of both opacity and long-scale length of the expanding pre-plasma.

Original language	English
Article number	066201
Journal	Applied Physics Express
Volume	9
Issue number	6
DOIs	https://doi.org/10.7567/APEX.9.066201
Publication status	Published - 2016 Jun

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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Characteristics of the soft X-ray emission from laser-produced highly charged platinum plasmas. / Hara, Hiroyuki; Arai, Goki; Kondo, Yoshiki; Dinh, Thanh Hung; Dunne, Padraig; O'sullivan, Gerry; Ejima, Takeo ; Hatano, Tadashi; Jiang, Weihua; Nishikino, Masaharu; Sasaki, Akira; Sunahara, Atsushi; Higashiguchi, Takeshi.

In: Applied Physics Express, Vol. 9, No. 6, 066201, 06.2016.

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

Hara, Hiroyuki ; Arai, Goki ; Kondo, Yoshiki ; Dinh, Thanh Hung ; Dunne, Padraig ; O'sullivan, Gerry ; Ejima, Takeo ; Hatano, Tadashi ; Jiang, Weihua ; Nishikino, Masaharu ; Sasaki, Akira ; Sunahara, Atsushi ; Higashiguchi, Takeshi. / Characteristics of the soft X-ray emission from laser-produced highly charged platinum plasmas. In: Applied Physics Express. 2016 ; Vol. 9, No. 6.

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title = "Characteristics of the soft X-ray emission from laser-produced highly charged platinum plasmas",

abstract = "We characterized the spectral structure of the soft X-ray emission and determined the plasma parameters in laser-produced highly charged platinum plasmas. The spectral structure observed originated from Pt21+ to Pt34+ ions, emissions from which overlapped to produce a high output flux in the carbon-window soft X-ray spectral region. Using dual laser pulse irradiation, we observed the maximum output flux, which was 20% larger than that obtained under single-laser irradiation, and the evolution of a strongly absorbed spectral structure, which was attributed to the effects of both opacity and long-scale length of the expanding pre-plasma.",

author = "Hiroyuki Hara and Goki Arai and Yoshiki Kondo and Dinh, {Thanh Hung} and Padraig Dunne and Gerry O'sullivan and Takeo Ejima and Tadashi Hatano and Weihua Jiang and Masaharu Nishikino and Akira Sasaki and Atsushi Sunahara and Takeshi Higashiguchi",

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AU - Hara, Hiroyuki

AU - Arai, Goki

AU - Kondo, Yoshiki

AU - Dinh, Thanh Hung

AU - Dunne, Padraig

AU - O'sullivan, Gerry

AU - Ejima, Takeo

AU - Hatano, Tadashi

AU - Jiang, Weihua

AU - Nishikino, Masaharu

AU - Sasaki, Akira

AU - Sunahara, Atsushi

AU - Higashiguchi, Takeshi

PY - 2016/6

Y1 - 2016/6

N2 - We characterized the spectral structure of the soft X-ray emission and determined the plasma parameters in laser-produced highly charged platinum plasmas. The spectral structure observed originated from Pt21+ to Pt34+ ions, emissions from which overlapped to produce a high output flux in the carbon-window soft X-ray spectral region. Using dual laser pulse irradiation, we observed the maximum output flux, which was 20% larger than that obtained under single-laser irradiation, and the evolution of a strongly absorbed spectral structure, which was attributed to the effects of both opacity and long-scale length of the expanding pre-plasma.

AB - We characterized the spectral structure of the soft X-ray emission and determined the plasma parameters in laser-produced highly charged platinum plasmas. The spectral structure observed originated from Pt21+ to Pt34+ ions, emissions from which overlapped to produce a high output flux in the carbon-window soft X-ray spectral region. Using dual laser pulse irradiation, we observed the maximum output flux, which was 20% larger than that obtained under single-laser irradiation, and the evolution of a strongly absorbed spectral structure, which was attributed to the effects of both opacity and long-scale length of the expanding pre-plasma.

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Characteristics of the soft X-ray emission from laser-produced highly charged platinum plasmas

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