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Masaharu Nishikino
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Journal Articles

Evaluation of the spatial resolution of Gafchromic™ HD-V2 radiochromic film characterized by the modulation transfer function

Tatsuhiko Miyatake, Sadaoki Kojima, Hironao Sakaki, Thanh-Hung Dinh, Ibuki Takemoto, Masayasu Hata, Masaharu Nishikino, Yukinobu Watanabe, Masahiko Ishino, Michiaki Mori, James Kevin Koga, Yoichi Yamamoto, Fuyumi Ito, Masaki Kando, Toshiyuki Shirai, Kiminori Kondo
Journal: AIP Advances
AIP Advances 13, 085303 (2023)
https://doi.org/10.1063/5.0160754
Published: August 2023
View articletitled, Evaluation of the spatial resolution of Gafchromic™ HD-V2 radiochromic film characterized by the modulation transfer function
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Journal Articles

Induction heating for desorption of surface contamination for high-repetition laser-driven carbon-ion acceleration

Sadaoki Kojima, Tatsuhiko Miyatake, Hironao Sakaki, Hiroyoshi Kuroki, Yusuke Shimizu, Hisanori Harada, Norihiro Inoue, Thanh Hung Dinh, Masayasu Hata, Noboru Hasegawa, Michiaki Mori, Masahiko Ishino, Mamiko Nishiuchi, Kotaro Kondo, Masaharu Nishikino, Masaki Kando, Toshiyuki Shirai, Kiminori Kondo
Journal: Matter and Radiation at Extremes
Matter Radiat. Extremes 8, 054002 (2023)
https://doi.org/10.1063/5.0153578
Published: July 2023
View articletitled, Induction heating for desorption of surface contamination for high-repetition laser-driven carbon-ion acceleration
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Journal Articles

Absolute response of a Fuji BAS-TR imaging plate to low-energy protons (<0.2 MeV) and carbon ions (<1 MeV)

Sadaoki Kojima, Tatsuhiko Miyatake, Shunsuke Inoue, Thanh Hung Dinh, Noboru Hasegawa, Michiaki Mori, Hironao Sakaki, Mamiko Nishiuchi, Nicholas P. Dover, Yoichi Yamamoto, Teru Sasaki, Fuyumi Ito, Kotaro Kondo, Takashi Yamanaka, Masaki Hashida, Shuji Sakabe, Masaharu Nishikino, Kiminori Kondo
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 92, 033306 (2021)
https://doi.org/10.1063/5.0035618
Published: March 2021
View articletitled, Absolute response of a Fuji BAS-TR imaging plate to low-energy protons (&lt;0.2 MeV) and carbon ions (&lt;1 MeV)
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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

Compact Thomson parabola spectrometer with variability of energy range and measurability of angular distribution for low-energy laser-driven accelerated ions

Sadaoki Kojima, Shunsuke Inoue, Thanh Hung Dinh, Noboru Hasegawa, Michiaki Mori, Hironao Sakaki, Yoichi Yamamoto, Teru Sasaki, Keiichiro Shiokawa, Kotaro Kondo, Takashi Yamanaka, Masaki Hashida, Shuji Sakabe, Masaharu Nishikino, Kiminori Kondo
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 91, 053305 (2020)
https://doi.org/10.1063/5.0005450
Published: May 2020
View articletitled, Compact Thomson parabola spectrometer with variability of energy range and measurability of angular distribution for low-energy laser-driven accelerated ions
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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

Sensitivity enhancement of poly(methyl methacrylate) upon exposure to picosecond-pulsed extreme ultraviolet

Yuji Hosaka, Tomoko Gowa Oyama, Hiroki Yamamoto, Masahiko Ishino, Thanh-Hung Dinh, Masaharu Nishikino, Yasunari Maekawa
Journal: Applied Physics Letters
Appl. Phys. Lett. 115, 073109 (2019)
https://doi.org/10.1063/1.5116284
Published: August 2019
View articletitled, Sensitivity enhancement of poly(methyl methacrylate) upon exposure to picosecond-pulsed extreme ultraviolet
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Includes: Supplementary data
Journal Articles

Deep-hole drilling of amorphous silica glass by extreme ultraviolet femtosecond pulses

Tatsunori Shibuya, Takashi Takahashi, Kazuyuki Sakaue, Thanh-Hung Dinh, Hiroyuki Hara, Takeshi Higashiguchi, Masahiko Ishino, Yuya Koshiba, Masaharu Nishikino, Hiroshi Ogawa, Masahito Tanaka, Masakazu Washio, Yohei Kobayashi, Ryunosuke Kuroda
Journal: Applied Physics Letters
Appl. Phys. Lett. 113, 171902 (2018)
https://doi.org/10.1063/1.5046125
Published: October 2018
View articletitled, Deep-hole drilling of amorphous silica glass by extreme ultraviolet femtosecond pulses
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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)]
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Journal Articles

Formation of x-ray Newton’s rings from nano-scale spallation shells of metals in laser ablation

Masaharu Nishikino, Noboru Hasegawa, Takuro Tomita, Yasuo Minami, Takashi Eyama, Naoya Kakimoto, Rui Izutsu, Motoyoshi Baba, Tetsuya Kawachi, Tohru Suemoto
Journal: AIP Advances
AIP Advances 7, 015311 (2017)
https://doi.org/10.1063/1.4975218
Published: January 2017
View articletitled, Formation of x-ray Newton’s rings from nano-scale spallation shells of metals in laser ablation
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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

Dynamics of spallation during femtosecond laser ablation studied by time-resolved reflectivity with double pump pulses

Takayuki Kumada, Tomohito Otobe, Masaharu Nishikino, Noboru Hasegawa, Terutake Hayashi
Journal: Applied Physics Letters
Appl. Phys. Lett. 108, 011102 (2016)
https://doi.org/10.1063/1.4939231
Published: January 2016
View articletitled, Dynamics of spallation during femtosecond laser ablation studied by time-resolved reflectivity with double pump pulses
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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

Non-thermal effects on femtosecond laser ablation of polymers extracted from the oscillation of time-resolved reflectivity

Takayuki Kumada, Hiroshi Akagi, Ryuji Itakura, Tomohito Otobe, Masaharu Nishikino, Atsushi Yokoyama
Journal: Applied Physics Letters
Appl. Phys. Lett. 106, 221605 (2015)
https://doi.org/10.1063/1.4921854
Published: June 2015
View articletitled, Non-thermal effects on femtosecond laser ablation of polymers extracted from the oscillation of time-resolved reflectivity
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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

Very low electron temperature in warm dense matter formed by focused picosecond soft x-ray laser pulses

Masahiko Ishino, Noboru Hasegawa, Masaharu Nishikino, Tatiana Pikuz, Igor Skobelev, Anatoly Faenov, Nail Inogamov, Tetsuya Kawachi, Mitsuru Yamagiwa
Journal: Journal of Applied Physics
J. Appl. Phys. 116, 183302 (2014)
https://doi.org/10.1063/1.4901943
Published: November 2014
View articletitled, Very low electron temperature in warm dense matter formed by focused picosecond soft x-ray laser pulses
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Journal Articles

Interaction of soft x-ray laser pulse radiation with aluminum surface: Nano-meter size surface modification

Masahiko Ishino, Anatoly Faenov, Momoko Tanaka, Noboru Hasegawa, Masaharu Nishikino, Satoshi Tamotsu, Tatiana Pikuz, Nail Inogamov, Vasily Zhakhovsky, Igor Skobelev, Vladimir Fortov, Viktor Khohlov, Vadim Shepelev, Toshiyuki Ohba, Takeshi Kaihori, Yoshihiro Ochi, Takashi Imazono, Tetsuya Kawachi
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1465, 236–240 (2012)
https://doi.org/10.1063/1.4737565
Published: July 2012
View articletitled, Interaction of soft x-ray laser pulse radiation with aluminum surface: Nano-meter size surface modification
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Journal Articles

Development of the x-ray interferometer and the method of temporal synchronization of x-ray and optical pulse

Noboru Hasegawa, Minoru Yamamoto, Kota Terakawa, Masaharu Nishikino, Yoshihiro Ochi, Yasuo Minami, Takuro Tomita, Tetsuya Kawachi, Tohru Suemoto
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1465, 23–27 (2012)
https://doi.org/10.1063/1.4737533
Published: July 2012
View articletitled, Development of the x-ray interferometer and the method of temporal synchronization of x-ray and optical pulse
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Journal Articles

Nanomodification of gold surface by picosecond soft x-ray laser pulse

Genri Norman, Sergey Starikov, Vladimir Stegailov, Vladimir Fortov, Igor Skobelev, Tatyana Pikuz, Anatoly Faenov, Sataoshi Tamotsu, Yoshiaki Kato, Masahiko Ishino, Momoko Tanaka, Noboru Hasegawa, Masaharu Nishikino, Toshiuki Ohba, Takeshi Kaihori, Yoshihiro Ochi, Takashi Imazono, Yuji Fukuda, Masaki Kando, Tetsuya Kawachi
Journal: Journal of Applied Physics
J. Appl. Phys. 112, 013104 (2012)
https://doi.org/10.1063/1.4731752
Published: July 2012
View articletitled, Nanomodification of gold surface by picosecond soft x-ray laser pulse
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