Total internal reflection of the mid-IR near single-cycle light bullet in LiF

Mid-IR light bullets formation and self-reconstruction after total internal reflection in LiF is investigated experimentally and through numerical simulations. The experiment showed that spatial-temporal deformations of the wave packet in inhomogeneous wave on a reflecting interface can be neglected...

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Veröffentlicht in:Optics letters 2021-07, Vol.46 (13), p.3187-3190
Hauptverfasser: Kompanets, Victor, Dormidonov, Alexander, Chekalin, Sergey
Format: Artikel
Sprache:eng
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Zusammenfassung:Mid-IR light bullets formation and self-reconstruction after total internal reflection in LiF is investigated experimentally and through numerical simulations. The experiment showed that spatial-temporal deformations of the wave packet in inhomogeneous wave on a reflecting interface can be neglected for this process and a near single-cycle light bullet can be formed or recovered after a distance determined by its energy loss for ionization and supercontinuum radiation. The estimation of the reconstruction distance by an empirical formula for self-focusing distance on the base of the peak power and the radius of the LB numerical simulation are in a good agreement with experimental data received.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.430542