Spatially resolved spectral phase interferometry with an isolated attosecond pulse

Optics Express
Hiroki MashikoKatsuya Oguri

Abstract

We demonstrate spatially resolved supercontinuum spectral phase interferometry with an isolated attosecond pulse (IAP). The measured spatial-spectral interferogram over the broadband region indicates a high degree of IAP coherence in both spatial and spectral domains. In addition, the spectral-delay interferogram shows periodic temporal oscillations over the full IAP continuous spectrum, which indicates high temporal coherence. The supercontinuum spectral phase interferometry with broadband IAP will contribute to exploring spatiotemporal dispersive electronic dynamics through phase-based spectroscopy in the future.

References

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May 23, 2014·Proceedings of the National Academy of Sciences of the United States of America·Ming-Chang ChenTenio Popmintchev
Feb 9, 2019·Optics Express·Hugo DacasaPhilippe Zeitoun
Mar 3, 2019·Proceedings of the National Academy of Sciences of the United States of America·Hampus WikmarkAnne L'Huillier
Feb 16, 2020·Nature Communications·Andreas WituschekFrank Stienkemeier

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