A Monochromatic Soft X-ray Generation from Femtosecond Laser-produced Plasma with Aluminum

被引：1

作者：

Son, Joon-Gon ^{[1
]}

Hwang, Byung-Jun ^{[1
]}

Seo, Okkyun ^{[2
]}

Kim, Jae Myung ^{[2
]}

Noh, Do Young ^{[3
]}

Ko, Do-Kyeong ^{[3
]}

机构：

[1] Gwangju Inst Sci & Technol, Dept Phys & Photon Sci, Gwangju 61005, South Korea

[2] NIMS, Res Network & Facil Serv Div, Synchrotron Xray Stn SPring 8, Sayogun, Hyogo 6795148, Japan

[3] Gwangju Inst Sci & Technol, Dept Phys & Photon Sci, Gwangju 61005, South Korea

来源：

JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2018年 / 73卷 / 12期

基金：

新加坡国家研究基金会;

关键词：

Soft x-ray; XRD; Femtosecond laser; Monochromatic; Aluminum; ELECTRON;

D O I：

10.3938/jkps.73.1834

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A tabletop ultrafast soft x-ray has been generated from the laser-produce plasma with a femtosecond pulsed Ti:Sapphire laser. The estimated total flux of Al K is of 2.2 x 10(9) photons/sec in 4 radian and the parameters related to the optical performance were obtained. The tungsten/silicon multilayer, flat quartz and bent thallium acid phthalate (TLAP) crystal were used for monochromatization of soft x-ray to refine the aluminum K radiation and compared the respective value of E/E. To estimate the size of the x-ray source beam generated by a fs laser, the approximation using the FWHM obtained from the x-ray beam scan near the focal point was discussed, and the size of the diameter was about 9.76 m.

引用

页码：1834 / 1839

页数：6

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