Table-top interferometry on extreme time and wavelength scales

Skruszewicz S, Przystawik A, Schwickert D, Sumfleth M, Namboodiri M, Hilbert , Klas R, Gierschke P, Schuster , Vorobiov A, Haunhorst C, Kip D, Limpert J, Rothhardt J, Laarmann T (2021)


Publication Type: Journal article

Publication year: 2021

Journal

Book Volume: 29

Pages Range: 40333-40344

Journal Issue: 24

DOI: 10.1364/OE.446563

Abstract

Short-pulse metrology and dynamic studies in the extreme ultraviolet (XUV) spectral range greatly benefit from interferometric measurements. In this contribution a Michelson-type all-reflective split-and-delay autocorrelator operating in a quasi amplitude splitting mode is presented. The autocorrelator works under a grazing incidence angle in a broad spectral range (10 nm - 1 μm) providing collinear propagation of both pulse replicas and thus a constant phase difference across the beam profile. The compact instrument allows for XUV pulse autocorrelation measurements in the time domain with a single-digit attosecond precision and a useful scan length of about 1 ps enabling a decent resolution of E/ΔE = 2000 at 26.6 eV. Its performance for selected spectroscopic applications requiring moderate resolution at short wavelengths is demonstrated by characterizing a sharp electronic transition at 26.6 eV in Ar gas. The absorption of the 11thharmonic of a frequency-doubled Yb-fiber laser leads to the well-known 3s3p64p1P1Fano resonance of Ar atoms. We benchmark our time-domain interferometry results with a high-resolution XUV grating spectrometer and find an excellent agreement. The common-path interferometer opens up new opportunities for short-wavelength femtosecond and attosecond pulse metrology and dynamic studies on extreme time scales in various research fields.

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How to cite

APA:

Skruszewicz, S., Przystawik, A., Schwickert, D., Sumfleth, M., Namboodiri, M., Hilbert, .,... Laarmann, T. (2021). Table-top interferometry on extreme time and wavelength scales. Optics Express, 29(24), 40333-40344. https://doi.org/10.1364/OE.446563

MLA:

Skruszewicz, S., et al. "Table-top interferometry on extreme time and wavelength scales." Optics Express 29.24 (2021): 40333-40344.

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