Extension of high-order harmonic generation cutoff from laser-ablated tin plasma plumes

doi:10.1364/OE.485697

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	Extension of high-order harmonic generation cutoff from laser-ablated tin plasma plumes
	W. Fu; J. Wang; J. Yu and W. Li
	2023
发表期刊	Optics Express
ISSN	10944087
卷号	31 期号:10 页码:15553-15563
摘要	The high-order harmonic spectra from laser-ablated tin plasma plumes are investigated experimentally and theoretically at different laser wavelengths. It is found that the harmonic cutoff is extended to ∼84 eV and the harmonic yield is greatly improved by decreasing the driving laser wavelength from 800 nm to 400 nm. Appling the Perelomov-Popov-Terent’ev theory with the semiclassical cutoff law and one-dimensional time-dependent Schrödinger equation, the contribution of the Sn3+ ion to harmonic generation accounts for the cutoff extension at 400 nm. With the qualitative analysis of the phase mismatching effect, we reveal the phase matching caused by the dispersion of free electrons is greatly optimized in the 400 nm driving field relative to the 800 nm driving field. The high-order harmonic generated from laser-ablated tin plasma plumes driven by the short laser wavelength provides a promising way to extend cutoff energy and generate intensely coherent extreme ultraviolet radiation. © 2023 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement.
DOI	10.1364/OE.485697
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收录类别	sci ; ei
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/67466
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,J. Wang,J. Yu and W. Li. Extension of high-order harmonic generation cutoff from laser-ablated tin plasma plumes[J]. Optics Express,2023,31(10):15553-15563.
APA	W. Fu,J. Wang,&J. Yu and W. Li.(2023).Extension of high-order harmonic generation cutoff from laser-ablated tin plasma plumes.Optics Express,31(10),15553-15563.
MLA	W. Fu,et al."Extension of high-order harmonic generation cutoff from laser-ablated tin plasma plumes".Optics Express 31.10(2023):15553-15563.

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