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Article Dans Une Revue Optics Letters Année : 2005

Compression of attosecond harmonic pulses by extreme-ultraviolet chirped mirrors

Résumé

In the race toward attosecond pulses, for which high-order harmonics generated in rare gases are the best candidates, both the harmonic spectral range and the spectral phase have to be controlled. We demonstrate that multilayer extreme-ultraviolet chirped mirrors can be numerically optimized and designed to compensate for the intrinsic harmonic chirp that was recently discovered and that is responsible for temporal broadening of pulses. A simulation shows that an optimized mirror is capable of compressing the duration from 260 to 90 as. This new technique is an interesting solution because of its ability to cover a wider spectral range than other technical devices that have already been proposed to overcome the chirp of high harmonics.
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Dates et versions

hal-00073218 , version 1 (24-05-2006)

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  • HAL Id : hal-00073218 , version 1

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Anne-Sophie Morlens, Philippe Balcou, Philippe Zeitoun, Constance Valentin, Vincent Laude, et al.. Compression of attosecond harmonic pulses by extreme-ultraviolet chirped mirrors. Optics Letters, 2005, 30, pp.1554. ⟨hal-00073218⟩
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