Abstract

Abstract Recent progress in attosecond technology has determined an increasing interest in the application of attosecond pulses in atomic, molecular, and solid state-physics. Novel techniques have been introduced for the generation of subfemtosecond pulses and for their applications. We report on recent advances in attosecond science, with particular emphasis on the generation and use of isolated attosecond pulses, produced by using the process of high-order harmonic generation in gases. Several techniques have been proposed and partly implemented for the confinement of the harmonic generation process to a single event: in this article, we analyze various temporal gating techniques. Various schemes for attosecond measurements have been proposed and experimentally demonstrated in the last decade; here, we review important applications of isolated attosecond pulses.

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