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Study of light emission and collection in a transparent dielectric cantilever-based near-field optical probe


Journal of Microscopy 262(1): 3-11
Study of light emission and collection in a transparent dielectric cantilever-based near-field optical probe
We report the design of a new type of scanning near-field optical microscopy probes combining the advantages of both tapered optical fibres type and cantilever type commercial scanning near-field optical microscopy probes. The material is an organomineral synthesized by the sol-gel method. This material matches mechanical and optical performances for such a scanning near-field optical microscopy probe fabrication. Numerical calculations were carried out using finite element method in order to study the optical transmission of the probe in emission and collection modes. The influence of the probe geometry on the intensity distribution in the vicinity of the aperture and in the extremity of the cantilever is studied in details.

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Accession: 058921275

PMID: 26583353

DOI: 10.1111/jmi.12350



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