Chinese Optics Letters, 2003, 1 (6): 06367, Published Online: Jun. 6, 2006  

Influence of circular aperture on high-order harmonic generation Download: 589次

Author Affiliations
1 Department of Physics &
2 State Key Laboratory for Mesoscopic Physics, Peking University, Beijing 100871
Abstract
The influence of circular aperture on the intensity of high-order harmonic generation (HHG) with intense femtosecond laser pulse was studied both experimentally and theoretically. The intensity variety of HHG with the diameter of circular aperture was observed in pulsed Ar gas. The result was discussed and interpreted in terms of the theory of Hankel transform. It is found that using the Gaussian beam truncated by an aperture could enhance the conversion efficiency of HHG at certain conditions.

Tingting Liu, Weixin Lu, Dawei Wang, Hong Yang, Qihuang Gong. Influence of circular aperture on high-order harmonic generation[J]. Chinese Optics Letters, 2003, 1(6): 06367.

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