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Phys. Rev. Lett. 94, 033001 (2005) [4 pages]

Amplitude and Phase Control of Attosecond Light Pulses

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Rodrigo López-Martens1,*, Katalin Varjú1,†, Per Johnsson1, Johan Mauritsson1,‡, Yann Mairesse2, Pascal Salières2, Mette B. Gaarde3, Kenneth J. Schafer3, Anders Persson1, Sune Svanberg1, Claes-Göran Wahlström1, and Anne L’Huillier1
1Department of Physics, Lund Institute of Technology, P. O. Box 118, SE-221 00 Lund, Sweden
2Commissariat à l’Energie Atomique, DRECAM/SPAM, Centre d’Etudes de Saclay, 91191 Gif-sur-Yvette, France
3Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803-4001, USA

Received 9 July 2004; published 26 January 2005

We report the generation, compression, and delivery on target of ultrashort extreme-ultraviolet light pulses using external amplitude and phase control. Broadband harmonic radiation is first generated by focusing an infrared laser with a carefully chosen intensity into a gas cell containing argon atoms. The emitted light then goes through a hard aperture and a thin aluminum filter that selects a 30-eV bandwidth around a 30-eV photon energy and synchronizes all of the components, thereby enabling the formation of a train of almost Fourier-transform-limited single-cycle 170 attosecond pulses. Our experiment demonstrates a practical method for synthesizing and controlling attosecond waveforms.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.94.033001
DOI:
10.1103/PhysRevLett.94.033001
PACS:
42.65.Ky, 32.80.Rm

*Current address: Laboratoire d’Optique Appliquée, Palaiseau, France.

†On leave from: the Department of Optics and Quantum Electronics, University of Szeged, Szeged, Hungary.

‡Current address: Department of Physics and Astronomy, Louisiana State University, Baton Rouge, USA.

 
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