Full-vectorial characterization of complex femtosecond laser pulses (Conference Presentation)

Tiancheng Huo; Li Qi; Yusi Miao; Yan Li; Zhongping Chen

doi:10.1117/12.2547002

9 March 2020 Full-vectorial characterization of complex femtosecond laser pulses (Conference Presentation)

Tiancheng Huo, Li Qi, Yusi Miao, Yan Li, Zhongping Chen

Proceedings Volume 11270, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XX; 112700J (2020) https://doi.org/10.1117/12.2547002
Event: SPIE LASE, 2020, San Francisco, California, United States

Abstract

Unlike the classical electro-magnetic wave with uniform polarization distribution along the flat wave-front, the light pulses in either laboratory or industry usually have non-vanishing components in the direction of propagation. Therefore, the full description of a generally complex laser pulse should be implemented in multi-dimensional way, for the light in the free space is the combination of a three-dimensional(3D) electric ﬁeld and a 3D magnetic ﬁeld in the 3D Euclidean space which is the subspace of the four-dimensional space-time. Here we report on a novel technique for the full-vectorial characterization which includes the spatiotemporal amplitude and phase information as well as the vectorial features of the complex laser pulses. This new measurement capability opens the way to in-depth characterizations and optimizations of the complex laser pulses and ultimately to the study of new phenomena of the interactions between materials and structured ultra-short laser beams.

Conference Presentation

Citation Download Citation

Tiancheng Huo, Li Qi, Yusi Miao, Yan Li, and Zhongping Chen "Full-vectorial characterization of complex femtosecond laser pulses (Conference Presentation)", Proc. SPIE 11270, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XX, 112700J (9 March 2020); https://doi.org/10.1117/12.2547002

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