Generation of high-order harmonic continuum with two-hump-structure infrared laser pulse

Candong Liu, Pengfei Wei*, Jing Miao, Chunmei Zhang, Yansui Huang, Yinghui Zheng, Yuxin Leng, Zhinan Zeng

*此作品的通讯作者

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5 引用 (Scopus)

摘要

We experimentally investigate the high-order harmonic generation in argon gas cell driven by a multi-cycle broadband infrared laser pulse from a tunable optical-parametric-amplifier (OPA) source. The generation of high-order harmonic continuum with the cut-off photon energy up to 110 eV is observed by tuning the chirp of the 800-nm laser pulse which pumps OPA source. The generation of harmonic continuum is understood in terms of the two-hump structure of the OPA output spectrum and the optimal relative phase of the two humps. The demonstrated scheme is of importance for the generation of extreme ultraviolet (XUV) continuum at higher photon energy region.

源语言英语
文章编号030201
期刊Chinese Optics Letters
12
3
DOI
出版状态已出版 - 3月 2014
已对外发布

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