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k-space imaging of the eigenmodes of sharp gold tapers for scanning near-field optical microscopy

We investigate the radiation patterns of sharp conical gold tapers, which were designed as adiabatic nanofocusing probes for scanning near-field optical microscopy (SNOM). Field calculations show that only the lowest order eigenmode of such a taper can reach the very apex and thus induce the generat...

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Detalles Bibliográficos
Autores principales: Esmann, Martin, Becker, Simon F, da Cunha, Bernard B, Brauer, Jens H, Vogelgesang, Ralf, Groß, Petra, Lienau, Christoph
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Beilstein-Institut 2013
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3817685/
https://www.ncbi.nlm.nih.gov/pubmed/24205454
http://dx.doi.org/10.3762/bjnano.4.67