Radiography of a Kα X-ray source generated through ultrahigh picosecond laser–nanostructure target interaction

剑 王; 宗清 赵; 卫华 何; 斌 朱; 克攻 董; 玉迟 吴; 天奎 张; 牛 高; 凯南 周; 娜 谢; 维民 周; 渝秋 谷

doi:10.3788/COL201513.031001

Journals >Chinese Optics Letters >Volume 13 >Issue 3 >Page 031001 > Article

Chinese Optics Letters
Vol. 13, Issue 3, 031001 (2015)

Radiography of a K_α X-ray source generated through ultrahigh picosecond laser–nanostructure target interaction

剑王^1、2, 宗清赵^2、*, 卫华何², 斌朱², 克攻董², 玉迟吴², 天奎张², 牛高², 凯南周², 娜谢², 维民周², and 渝秋谷²

Author Affiliations

¹Department of Physics, Fudan University, Shanghai 210433, China

²Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China

show less

DOI: 10.3788/COL201513.031001 Cite this Article Set citation alerts

剑王, 宗清赵, 卫华何, 斌朱, 克攻董, 玉迟吴, 天奎张, 牛高, 凯南周, 娜谢, 维民周, 渝秋谷. Radiography of a K_α X-ray source generated through ultrahigh picosecond laser–nanostructure target interaction[J]. Chinese Optics Letters, 2015, 13(3): 031001 Copy Citation Text

EndNote(RIS)

BibTex

Plain Text

show less

(a) Schematic overview of the experiment setup. L–N means the laser is interacting with the nanowire structure directly. L–S means the laser is interacting with the substrate; (b) scanning electron microscopy image of the nanowire array target.

Fig. 1. (a) Schematic overview of the experiment setup. L–N means the laser is interacting with the nanowire structure directly. L–S means the laser is interacting with the substrate; (b) scanning electron microscopy image of the nanowire array target.

Download full size | View in the Article

(a) Spectrum of K-shell lines obtained for 94.8 J laser incidence on the target with 20 μm nanowires; (b) dependence of the total count of Kα on the laser energy for the target with 20 μm nanowires.

Fig. 2. (a) Spectrum of K-shell lines obtained for 94.8 J laser incidence on the target with 20 μm nanowires; (b) dependence of the total count of Kα on the laser energy for the target with 20 μm nanowires.

Download full size | View in the Article

Fig. 3. (a) Original Kα image for a nanowire array target with 10 μm long nanowires and a 5 μm thick substrate. Corresponding laser peak intensity is 1×1019 W/cm2; (b) restored image from (a).

Download full size | View in the Article

Fig. 4. (a) Stack of 1D slits (50, 100, 200, and 300 μm) on a 50 μm thick Ta substrate; (b) horizontal line-outs for the point projection radiography.

Download full size | View in the Article