Source Development of Novel Coherent X-Rays and Their Applications in JAEA

被引：0

作者：

Kawachi, T. ^{[1
]}

Sasaki, A. ^{[1
]}

Nishikino, M. ^{[1
]}

Ishino, M. ^{[1
]}

Hasegawa, N. ^{[1
]}

Imazono, T. ^{[1
]}

Ochi, Y. ^{[1
]}

Tanaka, M. ^{[1
]}

Faenov, A. Y. ^{[1
,2
]}

Pikuz, T. A. ^{[1
]}

Pirozhkov, A. ^{[1
]}

Esirkepov, T. ^{[1
]}

Nakamura, T. ^{[1
]}

Kando, M. ^{[1
]}

Bulanov, S. V. ^{[1
]}

Kondo, K. ^{[1
]}

Janulewicz, K. ^{[3
]}

Kim, C. M. ^{[3
]}

Stiel, H. ^{[4
]}

Norman, G. ^{[2
]}

Suemoto, T. ^{[5
]}

Tomita, T. ^{[6
]}

Namikawa, K. ^{[7
]}

Yamagiwa, M. ^{[1
]}

Kato, Y. ^{[1
]}

机构：

[1] JAEA, Quantum Beam Sci Directorate, 8-1-7 Umemidai, Kizu, Kyoto 6190215, Japan

[2] Russian Acad Sci, Joint Inst High Temp, Moscow, Russia

[3] GIST, Adv Photon Res Inst, Gwangju 500712, South Korea

[4] Max Born Inst Nonlinear Opt & Short Pulse Spectro, D-12489 Berlin, Germany

[5] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan

[6] Univ Tokushima, Fac Engn, Tokushima 770, Japan

[7] Tokyo Univ Sci, Res Inst Sci & Technol, Noda, Chiba 278, Japan

来源：

X-RAY LASERS 2012 | 2014年 / 147卷

关键词：

LASER;

D O I：

10.1007/978-3-319-00696-3_23

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper reviews recent progress in the source development of intense coherent x-rays and the applications in the research fields such as material science and laser processing in Japan Atomic Energy Agency (JAEA). In the source development, the polarization of the fully spatial coherent 13.9 nm soft x-ray laser (SXRL) in the transient collisional excitation (TCE) scheme was investigated experimentally. The result indicated that the SXRL beam was strongly polarized in the direction perpendicular to the target surface. In the alternative schemes toward the short wavelength region, intense higher-order harmonics with the photon energy of more than 300 eV was observed from a relativistic plasma generated with the laser intensity higher than 10(18) W/cm(2). In the applications of the 13.9 nm TCE laser, we observed temporal evolution of surface distortion of Pt sample pumped by a 80 fs optical pulse by use of x-ray laser interferometer using double Lloyd's mirrors and reflectometer. In the study of SXRL ablation, the melting depth of the substances using single shot SXRL exposure was measured, and the result was quantitatively consistent with the calculated result based upon the spallative ablation model by molecular-dynamics code.

引用

页码：143 / 150

页数：8

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