Generation of Extreme-ultraviolet spatiotemporal skyrmions (IMAGE)
Caption
The extreme-ultraviolet spatiotemporal skyrmions are generated in the near field by a two-color driving field via the high-order harmonic generation process, and their topological structures are subsequently reconstructed in the far field by a spatiotemporal mode conversion system.
Credit
University of Shanghai for Science and Technology / Jiahao Dong
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