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Free-Electron lasers

Twisted light from an electron beam

Nature Physics volume 9, pages 531532 (2013) | Download Citation

A relativistic electron beam travelling on an undulating path interacts with a laser and emits light carrying orbital angular momentum. The wavelengths of these bright twisted-light beams can go down to those of hard X-rays.

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Author information

Affiliations

  1. M. E. Couprie is at Synchrotron SOLEIL, Gif-sur-Yvettte, 91192, France

    • Marie-Emmanuelle Couprie

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Correspondence to Marie-Emmanuelle Couprie.

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DOI

https://doi.org/10.1038/nphys2742

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