X-Ray and Extreme Ultraviolet Emission from Small-Sized Kr Clusters Irradiated by 150-fs Laser Pulses
WANG Qi, CHENG Yuan-Li, ZHAO Yong-Peng, XIA Yuan-Qin, CHEN Jian-Xin, XIAO Yi-Fan
National Key Laboratory of Tunable Laser Technology, Harbin
Institute of Technology, Harbin 150001
X-Ray and Extreme Ultraviolet Emission from Small-Sized Kr Clusters Irradiated by 150-fs Laser Pulses
WANG Qi;CHENG Yuan-Li;ZHAO Yong-Peng;XIA Yuan-Qin;CHEN Jian-Xin;XIAO Yi-Fan
National Key Laboratory of Tunable Laser Technology, Harbin
Institute of Technology, Harbin 150001
关键词 ：
52.50.Jm ,
52.25.Nr ,
36.40.Gk ,
36.40.Mr
Abstract ： X-ray and extreme ultraviolet (EUV) emission from Kr clusters irradiated by 150-fs laser pulses at the peak laser intensity of 5 x 1015 W/cm2 was experimentally investigated. Strong transitions (10 nm-13 nm) from Kr X and Kr IX were observed and some spectral lines from Kr XIII and Kr XIV, which have been predicted to be not produced by optical-field-ionization at the laser intensity used, also appeared. The laser energy absorption and the intensity of x-ray emission started to grow remarkably above the backing pressure of 0.5 MPa and to decrease at the backing pressure of 3 MPa. It is suggested that an optimum backing pressure may exist for Kr clusters heated by 150 fs laser pulses at a certain laser intensity to produce x-ray emission.
Key words ：
52.50.Jm
52.25.Nr
36.40.Gk
36.40.Mr
出版日期: 2003-08-01
:
52.50.Jm
(Plasma production and heating by laser beams (laser-foil, laser-cluster, etc.))
52.25.Nr
36.40.Gk
(Plasma and collective effects in clusters)
36.40.Mr
(Spectroscopy and geometrical structure of clusters)
引用本文:
WANG Qi;CHENG Yuan-Li;ZHAO Yong-Peng;XIA Yuan-Qin;CHEN Jian-Xin;XIAO Yi-Fan. X-Ray and Extreme Ultraviolet Emission from Small-Sized Kr Clusters Irradiated by 150-fs Laser Pulses[J]. 中国物理快报, 2003, 20(8): 1309-1311.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2003/V20/I8/1309
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2003, Vol. 20 
