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Opt Lett. 2008 Sep 1;33(17):1996-8.

Manipulation of spatiotemporal photon distribution via chromatic aberration.

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  • 1Accelerator Systems Division and Argonne Accelerator Institute, Argonne National Laboratory, Argonne, IL 60439, USA. ylli@aps.anl.gov

Abstract

We demonstrate a spatiotemporal laser-pulse-shaping scheme that exploits the chromatic aberration in a dispersive lens. This normally harmful effect transforms the phase modulation into a beam-size modulation at the focal plane. In combination with the intricate diffraction effect via beam apodization, this method provides a spatiotemporal control of photon distribution with an accuracy of diffraction limit on a time scale of femtoseconds.

PMID:
18758590
[PubMed]
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