Characterization of a high-brilliance soft X-ray laser at 13.9 nm by use of an oscillator-amplifier configuration

Nishikino, Masaharu; Hasegawa, Noboru; Kawachi, Tetsuya; Yamatani, Hiroshi; Sukegawa, Kota; Nagashima, Keisuke

We have demonstrated an X-ray laser with highly peak brilliance and highly spatial coherence at 13.9 nm. In order to generate the highly brilliant X-ray laser by using the oscillator-amplifier configuration, a seeding X-ray laser beam is amplified by a medium plasma with the high gain coefficient. The amplified X-ray laser with highly output is affected by the refraction in the gain medium plasma. However the amplified X-ray laser has very high peak brilliance of $5times10^{26}$ photons/(smm $^{2}$ mrad $^{2}$ 0.01%bandwidth) and large photon flux of $6.5times10^{10}$ photons/pulse.

Language	:	English
Journal	:	Applied Optics
Volume	:	47
Number	:	8
Pages	:	p.1129 - 1134
Publication Year/Month	:	2008/03
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Paper URL	:	https://doi.org/10.1364/AO.47.001129
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Keywords	:	no keyword
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Registration No. : AA20070484
JAEA Abstracts No. : 36000660
Paper Submission No. : 3919

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