High-efficiency water-window x-ray generation from nanowire array targets irradiated with femtosecond laser pulses

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成果类型：

期刊论文

作者：

Shou, Yinren;Kong, Defeng;Wang, Pengjie;Mei, Zhusong;Cao, Zhengxuan;...

通讯作者：

Ma, Wenjun

作者机构：

[Zhao, Yanying; Qi, Guijun; Zhao, Jiarui; Xu, Shirui; Yan, Xueqing; Ma, Wenjun; Mei, Zhusong; Shou, Yinren; Cao, Zhengxuan; Kong, Defeng; Wang, Pengjie; Pan, Zhuo; Chen, Shiyou] Peking Univ, Minist Educ, CAPT, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China.

[Li, Yunhui] Chinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen 518055, Peoples R China.

[Fu, Changbo] Fudan Univ, Inst Modern Phys, Key Lab Nucl Phys & Ion Beam Applicat MOE, Shanghai 200433, Peoples R China.

[Luo, Wen] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.

通讯机构：

[Ma, Wenjun] P

[Ma, Wenjun] B

[Ma, Wenjun] I

Peking Univ, Minist Educ, CAPT, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China.

Peking Univ, Minist Educ, CAPT, Key Lab HFDP, Beijing 100871, Peoples R China.

语种：

英文

关键词：

Electric fields;Femtosecond pulses;High power lasers;Magnetic fields;Photon counting;Soft x rays

期刊：

Optics Express

ISSN：

1094-4087

年：

2021

卷：

期：

页码：

5427-5436

DOI：

10.1364/OE.417512

基金类别：

National Grand Instrument Project [2019YFF01014402]; NSFC innovation group project [11921006]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [11535001, 11775010, 11905286, 61631001]

机构署名：

本校为其他机构

院系归属：

核科学技术学院

摘要：

We demonstrate the high-efficiency generation of water-window soft x-ray emissions from polyethylene nanowire array targets irradiated by femtosecond laser pulses at the intensity of 4x10(19) W/cm(2). The experimental results indicate more than one order of magnitude enhancement of the water-window x-ray emissions from the nanowire array targets compared to the planar targets. The highest energy conversion efficiency from laser to water-window x-rays is measured as 0.5%/sr, which comes from the targets with the longest nanowires. Supported by particle-in-cell simulations and atomic kinetic cod...

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High-efficiency water-window x-ray generation from nanowire array targets irradiated with femtosecond laser pulses

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