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光场电离下玻璃微毛细管的X射线谱
X-Ray Emission from the Glass Capillary Optical Field Ionization Plasma
【摘要】 利用软 X射线大面积透射光栅谱仪 ,对超短强激光脉冲辐照下玻璃微毛细管靶的软 X射线发射特性进行了研究。测得了不同的激光能量下、不同长度 (3mm、 6 mm、 9mm)的微毛细管的软 X射线发射谱 ,并观察到随着微毛细管长度的增加 ,X射线发射强度增强。
【Abstract】 Experiments on the diagnosis of emission spectrum from glass capillary target irradiated by ultrashort intense laser pulses have been carried out with a high efficiency high resolution transmission grating spectrograph. Emission spectra among 15~25 nm at different laser energies and capillary lengths (3 mm, 6 mm, 9 mm) were measured. X ray emission intensity increases obviously when the capillary length is increased.
【关键词】 光场电离;
微毛细管靶;
超短强激光脉冲;
大面积透射光栅谱仪;
X射线发射谱;
【Key words】 optical field ionization (OFI); microcapillary; ultrashort intense laser pulse; transmission grating spectrograph; soft X ray spectrum.;
【Key words】 optical field ionization (OFI); microcapillary; ultrashort intense laser pulse; transmission grating spectrograph; soft X ray spectrum.;
【基金】 国家科委863高科技项目;中国科学院上海分院择优资助项目
- 【文献出处】 光学学报 ,ACTA OPTICA SINICA , 编辑部邮箱 ,2000年09期
- 【分类号】TN24
- 【下载频次】31