Amplitude and phase control of attosecond light pulses

Rodrigo Lopez, Katalin Varju, Per Johnsson, J Mauritsson, Y Mairesse, P Salieres, M B Gaarde, K J Schafer, Anders Persson, Sune Svanberg, Claes-Göran Wahlström, Anne L'Huillier

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Abstract

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.
Original languageEnglish
JournalPhysical Review Letters
Volume94
Issue number3
DOIs
Publication statusPublished - 2005

Subject classification (UKÄ)

  • Atom and Molecular Physics and Optics

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