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High harmonic generation

A twist in coherent X-rays

Light beams with controllable orbital angular momentum can be generated in the extreme-ultraviolet or soft-X-ray regime, pushing the application of twisted light to the nanoscale.

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Figure 1: Schemes to control the twist or OAM of XUV vortices.

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Correspondence to Carlos Hernández-García.

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Hernández-García, C. A twist in coherent X-rays. Nature Phys 13, 327–329 (2017). https://doi.org/10.1038/nphys4088

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