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Artículo de revista

Quantitative determination of the electric field strength in a plasmon focus from ponderomotive energy shifts

Dreher Pascal et al · Wiley · 2022

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Author / responsible party
Dreher Pascal et al
Publisher
Wiley
Year
2022
ISSN
2192-8614
ISSN
2192-8614
Language
English
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3-D near-field imaging of guided modes in nanophotonic waveguides

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Spectroscopic photoemission microscopy is used to detect and quantify a ponderomotive shift in the energy of electrons that are emitted from a surface plasmon polariton focus. The focus is formed on an atomically flat Au(111) surface by an Archimedean spiral and is spatiotemporally separated from the circularly polarized light pulse used to excite the spiral. A spectroscopic analysis of electrons emitted from the focus exhibits a peaked above-threshold electron emission spectrum. From the shift of the peaks as function of laser power the field strength of the surface plasmon polariton was quantitatively determined without free parameters. Estimations of the Keldysh parameter γ = 4.4 and the adiabaticity parameter δ = 4700 indicate that electron emission occurs in a regime of multiplasmon absorption and nonlocalized surface plasmon fields.

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APA 7

al, D. P. E. (2022). Quantitative determination of the electric field strength in a plasmon focus from ponderomotive energy shifts. https://doi.org/10.1515/nanoph-2022-0284

MLA

al, Dreher Pascal et. "Quantitative determination of the electric field strength in a plasmon focus from ponderomotive energy shifts." 2022. https://doi.org/10.1515/nanoph-2022-0284.

Chicago

al, Dreher Pascal et. 2022. "Quantitative determination of the electric field strength in a plasmon focus from ponderomotive energy shifts.". https://doi.org/10.1515/nanoph-2022-0284.

Harvard

al, D. P. E. 2022, Quantitative determination of the electric field strength in a plasmon focus from ponderomotive energy shifts, Wiley, available at: https://doi.org/10.1515/nanoph-2022-0284 [Accessed 7 Aug. 2026].

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Title
Quantitative determination of the electric field strength in a plasmon focus from ponderomotive energy shifts
Author / contributors
Dreher Pascal et al
Publisher
Wiley
Publication year
2022
ISSN
2192-8614
ISSN
2192-8614
Language
English

Subjects

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photoelectron spectroscopy; photoemission microscopy; ponderomotive energy; surface plasmon polariton
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