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Journal Articles

Efficient extreme ultraviolet emission by multiple laser pulses

Tsukasa Sugiura, Hayato Yazawa, Hiroki Morita, Kazuyuki Sakaue, Daisuke Nakamura, Eiji J. Takahashi, Atsushi Sunahara, Gerry O'Sullivan, Shinichi Namba, Takeshi Higashiguchi
Journal: Applied Physics Letters
Appl. Phys. Lett. 125, 034103 (2024)
https://doi.org/10.1063/5.0214952
Published: July 2024
View articletitled, Efficient extreme ultraviolet emission by multiple laser pulses
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Journal Articles

Angular distribution separation of the extreme ultraviolet emission and suprathermal ions with energy reduction

Takeru Niinuma, Tsukasa Sugiura, Hiroki Morita, Weihua Jiang, Kazuyuki Sakaue, Gerry O'Sullivan, Shinichi Namba, Takeshi Higashiguchi
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 054104 (2024)
https://doi.org/10.1063/5.0180842
Published: February 2024
View articletitled, Angular distribution separation of the extreme ultraviolet emission and suprathermal ions with energy reduction
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Journal Articles

Spectral control of beyond extreme ultraviolet emission from a dual-laser-produced plasma

Masaki Kume, Tsukasa Sugiura, Hiroki Morita, Weihua Jiang, Kazuyuki Sakaue, Shinichi Namba, Gerry O'Sullivan, Takeshi Higashiguchi
Journal: Applied Physics Letters
Appl. Phys. Lett. 124, 052107 (2024)
https://doi.org/10.1063/5.0180836
Published: February 2024
View articletitled, Spectral control of beyond extreme ultraviolet emission from a dual-laser-produced plasma
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Journal Articles

Charge-separated spectra of suprathermal highly charged bismuth ions in a dual laser-produced plasma soft x-ray source

Hiromu Kawasaki, Toshiki Tamura, Atsushi Sunahara, Masaharu Nishikino, Shinichi Namba, Gerry O’Sullivan, Takeshi Higashiguchi
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 91, 086103 (2020)
https://doi.org/10.1063/5.0012225
Published: August 2020
View articletitled, Charge-separated spectra of suprathermal highly charged bismuth ions in a dual laser-produced plasma soft x-ray source
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Journal Articles

Electron temperature and soft x-ray intensity scaling in laser heavy element plasma interaction

Featured
Hiromu Kawasaki, Atsushi Sunahara, Yuta Shimada, Takeo Ejima, Weihua Jiang, Gerry O’Sullivan, Masaharu Nishikino, Shinichi Namba, Takeshi Higashiguchi
Journal: AIP Advances
AIP Advances 10, 065306 (2020)
https://doi.org/10.1063/5.0009946
Published: June 2020
View articletitled, Electron temperature and soft x-ray intensity scaling in laser heavy element plasma interaction
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Journal Articles

Optimized highly charged ion production for strong soft x-ray sources obeying a quasi-Moseley’s law

Editor’s Pick
Yuta Shimada, Hiromu Kawasaki, Kanon Watanabe, Hiroyuki Hara, Kyoya Anraku, Misaki Shoji, Toru Oba, Masaru Matsuda, Weihua Jiang, Atsushi Sunahara, Masaharu Nishikino, Shinichi Namba, Gerry O’Sullivan, Takeshi Higashiguchi
Journal: AIP Advances
AIP Advances 9, 115315 (2019)
https://doi.org/10.1063/1.5127943
Published: November 2019
View articletitled, Optimized highly charged ion production for strong soft x-ray sources obeying a quasi-Moseley’s law
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Journal Articles

Characteristics of soft x-ray and extreme ultraviolet (XUV) emission from laser-produced highly charged rhodium ions

Ellie Floyd Barte, Hiroyuki Hara, Toshiki Tamura, Takuya Gisuji, When-Bo Chen, Ragava Lokasani, Tadashi Hatano, Takeo Ejima, Weihua Jiang, Chihiro Suzuki, Bowen Li, Padraig Dunne, Gerry O'Sullivan, Akira Sasaki, Takeshi Higashiguchi, Jiří Limpouch
Journal: Journal of Applied Physics
J. Appl. Phys. 123, 183301 (2018)
https://doi.org/10.1063/1.5024344
Published: May 2018
View articletitled, Characteristics of soft x-ray and extreme ultraviolet (XUV) emission from laser-produced highly charged rhodium ions
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Journal Articles

Spectral evolution of soft x-ray emission from optically thin, high electron temperature platinum plasmas

Featured
Hiroyuki Hara, Hayato Ohashi, Bowen Li, Padraig Dunne, Gerry O’Sullivan, Akira Sasaki, Chihiro Suzuki, Naoki Tamura, Hiroyuki A. Sakaue, Daiji Kato, Izumi Murakami, Takeshi Higashiguchi, LHD Experiment Group
Journal: APL Photonics
APL Photonics 2, 081301 (2017)
https://doi.org/10.1063/1.4997413
Published: August 2017
View articletitled, Spectral evolution of soft x-ray emission from optically thin, high electron temperature platinum plasmas
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Journal Articles

Publisher’s Note: “Evaluation of a flat-field grazing incidence spectrometer for highly charged ion plasma emission in soft x-ray spectral region from 1 to 10 nm” [Rev. Sci. Instrum. 87, 123106 (2016)]

Thanh Hung Dinh, Yoshiki Kondo, Toshiki Tamura, Yuichi Ono, Hiroyuki Hara, Hiroki Oikawa, Yoichi Yamamoto, Masahiko Ishino, Masaharu Nishikino, Tetsuya Makimura, Padraig Dunne, Gerry O’Sullivan, Shigeru Ohta, Ken Kitano, Takeo Ejima, Tadashi Hatano, Takeshi Higashiguchi
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 88, 029902 (2017)
https://doi.org/10.1063/1.4973926
Published: February 2017
View articletitled, Publisher’s Note: “Evaluation of a flat-field grazing incidence spectrometer for highly charged ion plasma emission in soft x-ray spectral region from 1 to 10 nm” [Rev. Sci. Instrum. 87, 123106 (2016)]
Open the PDF for Publisher’s Note: “Evaluation of a flat-field grazing incidence spectrometer for highly charged ion plasma emission in soft x-ray spectral region from 1 to 10 nm” [Rev. Sci. Instrum. 87, 123106 (2016)] in another window
Journal Articles

Evaluation of a flat-field grazing incidence spectrometer for highly charged ion plasma emission in soft x-ray spectral region from 1 to 10 nm

Thanh Hung Dinh, Yoshiki Kondo, Toshiki Tamura, Yuichi Ono, Hiroyuki Hara, Hiroki Oikawa, Yoichi Yamamoto, Masahiko Ishino, Masaharu Nishikino, Tetsuya Makimura, Padraig Dunne, Gerry O’Sullivan, Shigeru Ohta, Ken Kitano, Takeo Ejima, Tadashi Hatano, Takeshi Higashiguchi
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 87, 123106 (2016)
https://doi.org/10.1063/1.4971421
Published: December 2016
View articletitled, Evaluation of a flat-field grazing incidence spectrometer for highly charged ion plasma emission in soft x-ray spectral region from 1 to 10 nm
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Journal Articles

Soft X-ray emission from molybdenum plasmas generated by dual laser pulses

Ragava Lokasani, Goki Arai, Yoshiki Kondo, Hiroyuki Hara, Thanh-Hung Dinh, Takeo Ejima, Tadashi Hatano, Weihua Jiang, Tetsuya Makimura, Bowen Li, Padraig Dunne, Gerry O'Sullivan, Takeshi Higashiguchi, Jiri Limpouch
Journal: Applied Physics Letters
Appl. Phys. Lett. 109, 194103 (2016)
https://doi.org/10.1063/1.4967310
Published: November 2016
View articletitled, Soft X-ray emission from molybdenum plasmas generated by dual laser pulses
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Journal Articles

Numerical evaluation of a 13.5-nm high-brightness microplasma extreme ultraviolet source

Hiroyuki Hara, Goki Arai, Thanh-Hung Dinh, Weihua Jiang, Taisuke Miura, Akira Endo, Takeo Ejima, Bowen Li, Padraig Dunne, Gerry O'Sullivan, Atsushi Sunahara, Takeshi Higashiguchi
Journal: Journal of Applied Physics
J. Appl. Phys. 118, 193301 (2015)
https://doi.org/10.1063/1.4935817
Published: November 2015
View articletitled, Numerical evaluation of a 13.5-nm high-brightness microplasma extreme ultraviolet source
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Journal Articles

Temporal behavior of unresolved transition array emission in water window soft x-ray spectral region from multiply charged ions

Thanh-Hung Dinh, Yuhei Suzuki, Goki Arai, Bowen Li, Padraig Dunne, Gerry O'Sullivan, Shinsuke Fujioka, Noboru Hasegawa, Tetsuya Kawachi, Masaharu Nishikino, Takeshi Higashiguchi
Journal: Applied Physics Letters
Appl. Phys. Lett. 107, 121101 (2015)
https://doi.org/10.1063/1.4931497
Published: September 2015
View articletitled, Temporal behavior of unresolved transition array emission in water window soft x-ray spectral region from multiply charged ions
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Journal Articles

Properties of the extreme ultraviolet emission from germanium and gallium plasmas

Bowen Li, Hiroyuki Hara, Yuhei Suzuki, Goki Arai, Takeshi Higashiguchi, Hayato Ohashi, Weihua Jiang, Tetsuya Makimura, Hiroyuki A. Sakaue, Chihiro Suzuki, Daiji Kato, Izumi Murakami, Padraig Dunne, Elaine Long, Paul Sheridan, Ximeng Chen, Gerry O'Sullivan
Journal: Journal of Applied Physics
J. Appl. Phys. 118, 073302 (2015)
https://doi.org/10.1063/1.4928673
Published: August 2015
View articletitled, Properties of the extreme ultraviolet emission from germanium and gallium plasmas
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Journal Articles

Erratum: “Quasi-Moseley's law for strong narrow bandwidth soft x-ray sources containing higher charge-state ions” [Appl. Phys. Lett. 104 , 234107 (2014)]

Hayato Ohashi, Takeshi Higashiguchi, Yuhei Suzuki, Goki Arai, Yukitoshi Otani, Toyohiko Yatagai, Bowen Li, Padraig Dunne, Gerry O'Sullivan, Weihua Jiang, Akira Endo, Hiroyuki A. Sakaue, Daiji Kato, Izumi Murakami, Naoki Tamura, Shigeru Sudo, Fumihiro Koike, Chihiro Suzuki
Journal: Applied Physics Letters
Appl. Phys. Lett. 106, 169903 (2015)
https://doi.org/10.1063/1.4919133
Published: April 2015
View articletitled, Erratum: “Quasi-Moseley's law for strong narrow bandwidth soft x-ray sources containing higher charge-state ions” [Appl. Phys. Lett. 104 , 234107 (2014)]
Open the PDF for Erratum: “Quasi-Moseley's law for strong narrow bandwidth soft x-ray sources containing higher charge-state ions” [Appl. Phys. Lett. 104 , 234107 (2014)] in another window
Journal Articles

Density and x-ray emission profile relationships in highly ionized high-Z laser-produced plasmas

Kensuke Yoshida, Shinsuke Fujioka, Takeshi Higashiguchi, Teruyuki Ugomori, Nozomi Tanaka, Masato Kawasaki, Yuhei Suzuki, Chihiro Suzuki, Kentaro Tomita, Ryoichi Hirose, Takeo Ejima, Hayato Ohashi, Masaharu Nishikino, Atsushi Sunahara, Bowen Li, Padraig Dunne, Gerry O'Sullivan, Tatsuya Yanagida, Hiroshi Azechi, Hiroaki Nishimura
Journal: Applied Physics Letters
Appl. Phys. Lett. 106, 121109 (2015)
https://doi.org/10.1063/1.4916395
Published: March 2015
View articletitled, Density and x-ray emission profile relationships in highly ionized high-Z laser-produced plasmas
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Journal Articles

Note: Development of a volume-limited dot target for a high brightness extreme ultraviolet microplasma source

Thanh Hung Dinh, Yuhei Suzuki, Ryoichi Hirose, Hiroyuki Hara, Hayato Ohashi, Bowen Li, Padraig Dunne, Gerry O’Sullivan, Atsushi Sunahara, Takeshi Higashiguchi
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 85, 116104 (2014)
https://doi.org/10.1063/1.4901934
Published: November 2014
View articletitled, Note: Development of a volume-limited dot target for a high brightness extreme ultraviolet microplasma source
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Journal Articles

Note: Enhancement of the extreme ultraviolet emission from a potassium plasma by dual laser irradiation

Takeshi Higashiguchi, Mami Yamaguchi, Takamitsu Otsuka, Takeshi Nagata, Hayato Ohashi, Bowen Li, Rebekah D’Arcy, Padraig Dunne, Gerry O’Sullivan
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 85, 096102 (2014)
https://doi.org/10.1063/1.4894384
Published: September 2014
View articletitled, Note: Enhancement of the extreme ultraviolet emission from a potassium plasma by dual laser irradiation
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Journal Articles

Evolution of laser-produced Sn extreme ultraviolet source diameter for high-brightness source

Amitava Roy, Goki Arai, Hiroyuki Hara, Takeshi Higashiguchi, Hayato Ohashi, Atsushi Sunahara, Bowen Li, Padraig Dunne, Gerry O'Sullivan, Taisuke Miura, Tomas Mocek, Akira Endo
Journal: Applied Physics Letters
Appl. Phys. Lett. 105, 074103 (2014)
https://doi.org/10.1063/1.4893611
Published: August 2014
View articletitled, Evolution of laser-produced Sn extreme ultraviolet source diameter for high-brightness source
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Journal Articles

Quasi-Moseley's law for strong narrow bandwidth soft x-ray sources containing higher charge-state ions

Hayato Ohashi, Takeshi Higashiguchi, Yuhei Suzuki, Goki Arai, Yukitoshi Otani, Toyohiko Yatagai, Bowen Li, Padraig Dunne, Gerry O'Sullivan, Weihua Jiang, Akira Endo, Hiroyuki A. Sakaue, Daiji Kato, Izumi Murakami, Naoki Tamura, Shigeru Sudo, Fumihiro Koike, Chihiro Suzuki
Journal: Applied Physics Letters
Appl. Phys. Lett. 104, 234107 (2014)
https://doi.org/10.1063/1.4883475
Published: June 2014
View articletitled, Quasi-Moseley's law for strong narrow bandwidth soft x-ray sources containing higher charge-state ions
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