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Temporal characterization of femtosecond laser pulses using tunneling ionization in the UV, visible, and mid-IR ranges

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Abstract
To generalize the applicability of the temporal characterization technique called “tunneling ionization with a perturbation for the time-domain observation of an electric field” (TIPTOE), the technique is examined in the multicycle regime over a broad wavelength range, from the UV to the IR range. The technique is rigorously analyzed first by solving the time-dependent Schrödinger equation. Then, experimental verification is demonstrated over an almost 5-octave wavelength range at 266, 1800, 4000 and 8000 nm by utilizing the same nonlinear medium – air. The experimentally obtained dispersion values of the materials used for the dispersion control show very good agreement with the ones calculated using the material dispersion data and the pulse duration results obtained for 1800 and 4000 nm agree well with the frequency-resolved optical gating measurements. The universality of TIPTOE arises from its phase-matching-free nature and its unprecedented broadband operation range. © 2019, The Author(s).
Author(s)
Cho, WosikHwang, Sung InNam, Chang HeeBionta, Mina R.Lassonde, PhilippeSchmidt, Bruno E.Ibrahim, HeideLégaré, FrançoisKim, Kyung Taec
Issued Date
2019-12
Type
Article
DOI
10.1038/s41598-019-52237-y
URI
https://scholar.gist.ac.kr/handle/local/12443
Publisher
Nature Publishing Group
Citation
Scientific Reports, v.9, no.1
ISSN
2045-2322
Appears in Collections:
Department of Physics and Photon Science > 1. Journal Articles
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