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Reconstruction algorithm for tunneling ionization with a perturbation for the time-domain observation of an electric-field

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Title
Reconstruction algorithm for tunneling ionization with a perturbation for the time-domain observation of an electric-field
Author(s)
Wosik Cho; Jeong‑uk Shin; KyungTaec Kim
Publication Date
2021-06
Journal
Scientific Reports, v.11, no.1, pp.1 - 9
Publisher
Nature Research
Abstract
© 2021, The Author(s).We present a reconstruction algorithm developed for the temporal characterization method called tunneling ionization with a perturbation for the time-domain observation of an electric field (TIPTOE). The reconstruction algorithm considers the high-order contribution of an additional laser pulse to ionization, enabling the use of an intense additional laser pulse. Therefore, the signal-to-noise ratio of the TIPTOE measurement is improved by at least one order of magnitude compared to the first-order approximation. In addition, the high-order contribution provides additional information regarding the pulse envelope. The reconstruction algorithm was tested with ionization yields obtained by solving the time-dependent Schrödinger equation. The optimal conditions for accurate reconstruction were analyzed. The reconstruction algorithm was also tested using experimental data obtained using few-cycle laser pulses. The reconstructed pulses obtained under different dispersion conditions exhibited good consistency. These results confirm the validity and accuracy of the reconstruction process.
URI
https://pr.ibs.re.kr/handle/8788114/9975
DOI
10.1038/s41598-021-92454-y
ISSN
2045-2322
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > 1. Journal Papers (저널논문)
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