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Guggenmos A, Jobst M, Ossiander M, et al. Chromium/scandium multilayer mirrors for isolated attosecond pulses at 145  eV. Opt Lett. 2015;40(12):2846-9doi: 10.1364/OL.40.002846.
Guggenmos, A., Jobst, M., Ossiander, M., Radünz, S., Riemensberger, J., Schäffer, M., Akil, A., Jakubeit, C., Böhm, P., Noever, S., Nickel, B., Kienberger, R., & Kleineberg, U. (2015). Chromium/scandium multilayer mirrors for isolated attosecond pulses at 145  eV. Optics letters, 40(12), 2846-9. https://doi.org/10.1364/OL.40.002846
Guggenmos, Alexander, et al. "Chromium/scandium multilayer mirrors for isolated attosecond pulses at 145  eV." Optics letters vol. 40,12 (2015): 2846-9. doi: https://doi.org/10.1364/OL.40.002846
Guggenmos A, Jobst M, Ossiander M, Radünz S, Riemensberger J, Schäffer M, Akil A, Jakubeit C, Böhm P, Noever S, Nickel B, Kienberger R, Kleineberg U. Chromium/scandium multilayer mirrors for isolated attosecond pulses at 145  eV. Opt Lett. 2015 Jun 15;40(12):2846-9. doi: 10.1364/OL.40.002846. PMID: 26076277.
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Opt Lett. 2015 Jun 15;40(12):2846-9. doi: 10.1364/OL.40.002846.

Chromium/scandium multilayer mirrors for isolated attosecond pulses at 145  eV.

Optics letters

Alexander Guggenmos, Michael Jobst, Marcus Ossiander, Stefan Radünz, Johann Riemensberger, Martin Schäffer, Ayman Akil, Clemens Jakubeit, Philip Böhm, Simon Noever, Bert Nickel, Reinhard Kienberger, Ulf Kleineberg

PMID: 26076277 DOI: 10.1364/OL.40.002846

Abstract

Recent advances in the development of attosecond soft x-ray sources toward photon wavelengths below 10 nm are also driving the development of suited broadband multilayer optics for steering and shaping attosecond pulses. We demonstrate that current attosecond experiments in the sub-200-eV range benefit from these improved optics. We present our achievements in utilizing ion-beam-deposited chromium/scandium (Cr/Sc) multilayer mirrors, optimized by tailored material dependent deposition and interface polishing, for the generation of single attosecond pulses from a high-harmonic cut-off spectrum at a central energy of 145 eV. Isolated attosecond pulses have been measured by soft x-ray-pump/NIR-probe electron streaking experiments and characterized using frequency-resolved optical gating for complete reconstruction of attosecond bursts (FROG/CRAB). The results demonstrate that Cr/Sc multilayer mirrors can be used as efficient attosecond optics for reflecting 600-attosecond pulses at a photon energy of 145 eV, which is a prerequisite for present and future attosecond experiments in this energy range.

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