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Nature 413, 784-787 (25 October 2001) | doi:10.1038/35101677

Open Innovation Challenges

Molecular dynamics: Slick switching of X-rays

Ferenc Krausz1 & Christian Spielmann1

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The structures of crystals, from metals to proteins, have successfully been explored with X-rays. An ultrafast switch turns this idea around and uses a crystal to control the timing of X-ray pulses.

Since their discovery some 100 years ago by Wilhelm Röntgen1, X-rays have found important uses in hospitals, laboratories and the exploration of space. They have proved particularly useful in investigations of the microscopic structure of matter2.

  1. Ferenc Krausz and Christian Spielmann are at the Centre for Advanced Light Sources, Photonics Institute, Vienna University of Technology, Gusshausstrasse 27, A-1040 Wien, Austria.

Correspondence to: Ferenc Krausz1Christian Spielmann1 e-mail: Email: krausz@tuwien.ac.at
e-mail: Email: spielmann@tuwien.ac.at