Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Efficient soft x-ray emission source at 13.5 nm by use of a femtosecond-laser-produced Li-based microplasma. / Higashiguchi, Takeshi; Rajyaguru, Chirag; Kubodera, Shoichi; Sasaki, Wataru; Yugami, Noboru; Kikuchi, Takashi; Kawata, Shigeo; Andreev, Alex.
в: Applied Physics Letters, Том 86, № 23, 231502, 06.06.2005, стр. 1-3.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Efficient soft x-ray emission source at 13.5 nm by use of a femtosecond-laser-produced Li-based microplasma
AU - Higashiguchi, Takeshi
AU - Rajyaguru, Chirag
AU - Kubodera, Shoichi
AU - Sasaki, Wataru
AU - Yugami, Noboru
AU - Kikuchi, Takashi
AU - Kawata, Shigeo
AU - Andreev, Alex
N1 - Funding Information: The authors are grateful to M. Koga, K. Kawasaki, N. Dojyo, and M. Hamada for their technical support. The authors are also grateful to K. Higashiguchi (Department of Life Sciences, Graduate School of Arts and Sciences, University of Tokyo) for technical support about the aqueous solution target. A part of this work was performed under the auspices of MEXT (Ministry of Education, Culture, Science, and Technology, Japan) under contract subject ”Leading project for EUV lithography source development”. The authors acknowledge support from the Ministry of Economy and Trading Industry (METI) of Japan. They also acknowledge the support from Miyazaki prefecture. One of the authors (T.H.) also acknowledges support from the Saneyoshi Scholarship Foundation.
PY - 2005/6/6
Y1 - 2005/6/6
N2 - A proof-of-principle experiment was demonstrated to optimize a Li-based microjet target coupled to dual subpicosecond laser pulses as a 13.5 nm soft x-ray emission source. An optimum pulse duration of 450 fs to achieve a maximum emission at 13.5 nm was well explained by the resonant absorption process. Utilization of dual femtosecond pulses revealed that the optimum pulse separation around 500 ps was necessary to achieve a maximum soft x-ray conversion efficiency of 0.2%, where plasma hydrodynamics could not be neglected. A one-fluid two-temperature hydrodynamic simulation reproduced this optimum pulse separation behavior.
AB - A proof-of-principle experiment was demonstrated to optimize a Li-based microjet target coupled to dual subpicosecond laser pulses as a 13.5 nm soft x-ray emission source. An optimum pulse duration of 450 fs to achieve a maximum emission at 13.5 nm was well explained by the resonant absorption process. Utilization of dual femtosecond pulses revealed that the optimum pulse separation around 500 ps was necessary to achieve a maximum soft x-ray conversion efficiency of 0.2%, where plasma hydrodynamics could not be neglected. A one-fluid two-temperature hydrodynamic simulation reproduced this optimum pulse separation behavior.
UR - http://www.scopus.com/inward/record.url?scp=21244449204&partnerID=8YFLogxK
U2 - 10.1063/1.1947890
DO - 10.1063/1.1947890
M3 - Article
AN - SCOPUS:21244449204
VL - 86
SP - 1
EP - 3
JO - Applied Physics Letters
JF - Applied Physics Letters
SN - 0003-6951
IS - 23
M1 - 231502
ER -
ID: 85670398