Comparative study of medium length-dependent high-harmonic generation from metal ions

doi:10.1364/OE.475483

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	Comparative study of medium length-dependent high-harmonic generation from metal ions
	W. Fu; Y. H. Lai and W. Li
	2022
发表期刊	Optics Express
ISSN	10944087
卷号	30 期号:26 页码:47315-47325
摘要	We present an experimental study on the high-harmonic yields from the ions in the laser-ablated plumes of various metal targets (W, Mo, Cr, Cu, Ni, Fe, Ag and Mg) with the purpose of comparing their ion density and single-atom response. The harmonic yields as a function of medium length are measured and the results are fitted against a theoretical model to extract the coherence length, absorption length and strength single-atom response (in arbitrary units) of different harmonic orders for each target. It is found that the coherence lengths decrease monotonically as a function of harmonic order for all targets. Ion density of the generation media are estimated by the trend of the coherence length as a function of harmonic order. Qualitatively, targets with lower melting temperatures seem to produce laser-ablated plumes of higher ion density, vice versa. Also, the strength of the single-atom response of the metal ion species with only one electron in the outermost subshell are weak compared with the other targets considered in this study. 2022 Optica Publishing Group.
DOI	10.1364/OE.475483
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收录类别	ei
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/66476
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	W. Fu,Y. H. Lai and W. Li. Comparative study of medium length-dependent high-harmonic generation from metal ions[J]. Optics Express,2022,30(26):47315-47325.
APA	W. Fu,&Y. H. Lai and W. Li.(2022).Comparative study of medium length-dependent high-harmonic generation from metal ions.Optics Express,30(26),47315-47325.
MLA	W. Fu,et al."Comparative study of medium length-dependent high-harmonic generation from metal ions".Optics Express 30.26(2022):47315-47325.

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