Beilstein J. Nanotechnol.2019,10, 2182–2191, doi:10.3762/bjnano.10.211
nonlinearity of a single nanostructure, but also reports surprisingly large plasmonic nonlinearities.
Keywords: absorption cross section; laser scanning microscopy; nanoplasmonics; nonlinear absorption; nonlinear scattering; singlegoldnanostructures; Introduction
It is well known that the optical
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Figure 1:
(a) Schematic principle of the x-scan method, the excitation focus is scanned in x-direction. The b...