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Hiroyuki Sasai
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Journal Articles

Mo-overcoated grating-based beam intensity monitor for 13.9 nm x-ray laser

Takashi Imazono, Hiroaki Nishihara, Ryuichi Ukita, Hiroyuki Sasai, Tetsuya Nagano
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2054, 060050 (2019)
https://doi.org/10.1063/1.5084681
Published: January 2019
View article titled, Mo-overcoated grating-based beam intensity monitor for 13.9 nm x-ray laser
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Journal Articles

Improvement study on heat resistance of multilayer-coated replica gratings

Takashi Imazono, Hiroaki Nishihara, Ryuichi Ukita, Hiroyuki Sasai, Tetsuya Nagano
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2054, 060020 (2019)
https://doi.org/10.1063/1.5084651
Published: January 2019
View article titled, Improvement study on heat resistance of multilayer-coated replica gratings
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Journal Articles

Enhancement of diffraction efficiency of laminar-type diffraction gratings overcoated with diamond-like carbon (DLC) in soft x-ray region

Masato Koike, Takashi Imazono, Tetsuya Nagano, Hiroyuki Sasai, Yuki Oue, Zeno Yonezawa, Satoshi Kuramoto, Masami Terauchi, Hideyuki Takahashi, Satoshi Notoya, Takanori Murano
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1741, 040045 (2016)
https://doi.org/10.1063/1.4952917
Published: July 2016
View article titled, Enhancement of diffraction efficiency of laminar-type diffraction gratings overcoated with diamond-like carbon (DLC) in soft x-ray region
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Journal Articles

Experimental evaluation of enhancement of diffraction efficiency by overcoating diamond-like carbon (DLC) on soft x-ray laminar-type gratings

Takashi Imazono, Masato Koike, Tetsuya Nagano, Hiroyuki Sasai, Yuki Oue, Satoshi Kuramoto, Masami Terauchi, Hideyuki Takahashi, Satoshi Notoya, Takanori Murano, Eric M. Gullikson
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1741, 040043 (2016)
https://doi.org/10.1063/1.4952915
Published: July 2016
View article titled, Experimental evaluation of enhancement of diffraction efficiency by overcoating diamond-like carbon (DLC) on soft x-ray laminar-type gratings
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Journal Articles

Development of a soft x-ray diffractometer for a wideband multilayer grating with a novel layer structure in the 2-4 keV range

Takashi Imazono, Masato Koike, Tetsuya Kawachi, Noboru Hasegawa, Masaru Koeda, Tetsuya Nagano, Hiroyuki Sasai, Yuki Oue, Zeno Yonezawa, Satoshi Kuramoto, Masami Terauchi, Hideyuki Takahashi, Nobuo Handa, Takanori Murano
Journal: AIP Conference Proceedings
AIP Conf. Proc. 1465, 33–37 (2012)
https://doi.org/10.1063/1.4737535
Published: July 2012
View article titled, Development of a soft x-ray diffractometer for a wideband multilayer grating with a novel layer structure in the 2-4 keV range
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Journal Articles

Spectroscopic evaluation of three different gratings used for a flat-field extreme ultraviolet spectrometer to monitor Δ n = 1 transitions from medium- Z impurities in 10 – 30 Å

Malay Bikas Chowdhuri, Shigeru Morita, Motoshi Goto, Hiroyuki Sasai
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 79, 10F537 (2008)
https://doi.org/10.1063/1.2953678
Published: October 2008
View article titled, Spectroscopic evaluation of three different gratings used for a flat-field extreme ultraviolet spectrometer to monitor Δ n = 1 transitions from medium- Z impurities in 10 – 30 Å
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Journal Articles

Evaluations of optical properties of Co based soft x-ray multilayer gratings

Masahiko Ishino, Masato Koike, Futami Satou, Masami Terauchi, Kazuo Sano, Hiroyuki Sasai
Journal: Journal of Applied Physics
J. Appl. Phys. 104, 073520 (2008)
https://doi.org/10.1063/1.2990062
Published: October 2008
View article titled, Evaluations of optical properties of Co based soft x-ray multilayer gratings
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Journal Articles

Fabrication and Evaluation of a Multilayer Laminar‐Type Holographic Grating and Its Application to a High Efficiency Grazing Incidence Monochromator for the 1–8 keV Region

Masato Koike, Masahiko Ishino, Phil A. Heimann, Takashi Imazono, Hisataka Takenaka, Masatoshi Hatayama, Hiroyuki Sasai, Eric H. Gullikson, Kazuo Sano
Journal: AIP Conference Proceedings
AIP Conf. Proc. 879, 647–650 (2007)
https://doi.org/10.1063/1.2436144
Published: January 2007
View article titled, Fabrication and Evaluation of a Multilayer Laminar‐Type Holographic Grating and Its Application to a High Efficiency Grazing Incidence Monochromator for the 1–8 keV Region
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Journal Articles

Design of a high-efficiency grazing incidence monochromator with multilayer-coated laminar gratings for the 1–6 keV region

Masato Koike, Masahiko Ishino, Hiroyuki Sasai
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 77, 023101 (2006)
https://doi.org/10.1063/1.2166668
Published: February 2006
View article titled, Design of a high-efficiency grazing incidence monochromator with multilayer-coated laminar gratings for the 1–6 keV region
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Journal Articles

New evaluation beamline for soft x-ray optical elements

Masato Koike, Kazuo Sano, Osamu Yoda, Yoshihisa Harada, Masahiko Ishino, Naoji Moriya, Hiroyuki Sasai, Hisataka Takenaka, Eric Gullikson, Stanley Mrowka, Masafumi Jinno, Yoshihiro Ueno, James H. Underwood, Takeshi Namioka
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 73, 1541–1544 (2002)
https://doi.org/10.1063/1.1445489
Published: March 2002
View article titled, New evaluation beamline for soft x-ray optical elements
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