Pump-Probe Experiment for Temporal Profile Measurement of Plasma X-Ray Laser

被引：0

作者：

Namba, S. ^{[1
]}

Hasegawa, N. ^{[2
]}

Kishimoto, M. ^{[2
]}

Nishikino, M. ^{[2
]}

Kawachi, T. ^{[2
]}

机构：

[1] Hiroshima Univ, Grad Sch Engn, Higashihiroshima 724, Japan

[2] Japan Atom Energy Agcy, Quantum Beam Sci Ctr, Kyoto, Japan

来源：

X-RAY LASERS 2014 | 2016年 / 169卷

关键词：

PHOTOIONIZATION; DIFFRACTION;

D O I：

10.1007/978-3-319-19521-6_12

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：

Temporal behavior of a soft x-ray laser pulse is measured by means of a pump-probe spectroscopy (cross correlation). In this scheme, first the innershell electron 4d of Xe atom is photoionized with 13.9 nm x-ray pulse (x-ray pump). Simultaneously, an ir probe laser pulse is irradiated to dress the electrons. By varying the time delay between both pulses, the sideband spectra associated with ir photon absorption/emission processes appear at a separation of the ir photon energy from the photo- and Auger main peaks. By analyzing the sideband intensity, we can evaluate the pulse width of the x-ray laser to be similar to 6.2 ps, which is in excellent agreement with the value measured by an x-ray streak camera

引用

页码：95 / 101

页数：7

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