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Journal Article

Discrete dispersion scan setup for measuring few-cycle laser pulses in the mid-infrared


Zürch,  Michael
Institute of Optics and Quantum Electronics, Abbe Center of Photonics, Friedrich Schiller University Jena;
Physical Chemistry, Fritz Haber Institute, Max Planck Society;
University of California at Berkeley, Department of Chemistry;

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Geib, N. C., Hollinger, R., Haddad, E., Hermann, P., Légaré, F., Pertsch, T., et al. (2020). Discrete dispersion scan setup for measuring few-cycle laser pulses in the mid-infrared. Optics Letters, 45(18), 5295-5298. doi:/10.1364/OL.403362.

Cite as: https://hdl.handle.net/21.11116/0000-0008-E9A3-9
In this work, we demonstrate a discrete dispersion scan scheme using a low number of flat windows to vary the dispersion of laser pulses in discrete steps. Monte Carlo simulations indicate that the pulse duration can be retrieved accurately with less than 10 dispersion steps, which we verify experimentally by measuring few-cycle pulses and material dispersion curves at 3 and 10 µm wavelength. This minimal measuring scheme using only five optical components without the need for linear positioners and interferometric alignment can be readily implemented in many wavelength ranges and situations.