We demonstrate a novel approach for the extension of self-referenced spectral interferometry to the temporal characterization of few-optical cycle pulses. The new experimental setup is characterized by low dispersion and a collinear geometry. 4-fs pulses have been characterized by performing single-shot measurements, with high dynamic range on a broad temporal region. An independent measurement of the pulse duration, obtained by using attosecond streaking, allowed us to cross-check the experimental technique.
Self-referenced spectral interferometry for single-shot measurement of sub-5-fs pulses
A. Trabattoni, T. Oksenhendler, H. Jousselin, G. Tempea, S. De Silvestri, G. Sansone, F. Calegari, M. Nisoli; Self-referenced spectral interferometry for single-shot measurement of sub-5-fs pulses. Rev. Sci. Instrum. 1 November 2015; 86 (11): 113106. https://doi.org/10.1063/1.4936289
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