Comparative study of medium length-dependent high-harmonic generation from metal ions
文献类型：期刊论文
| 作者 | W. Fu; Y. H. Lai and W. Li |
| 刊名 | Optics Express
 |
| 出版日期 | 2022 |
| 卷号 | 30期号:26页码:47315-47325 |
| ISSN号 | 10944087 |
| DOI | 10.1364/OE.475483 |
| 英文摘要 | 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. |
| URL标识 | 查看原文 |
| 源URL | [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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