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Deprecated: Implicit conversion from float 217.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Beilstein+J+Nanotechnol 2015 ; 6 (ä): 2069-77 Nephropedia Template TP
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Near-field visualization of plasmonic lenses: an overall analysis of characterization errors #MMPMID26665078
Wang J; Fu Y; Xu Z; Fang F
Beilstein J Nanotechnol 2015[]; 6 (ä): 2069-77 PMID26665078show ga
Many factors influence the near-field visualization of plasmonic structures that are based on perforated elliptical slits. Here, characterization errors are experimentally analyzed in detail from both fabrication and measurement points of view. Some issues such as geometrical parameter, probe?sample surface interaction, misalignment, stigmation, and internal stress, have influence on the final near-field probing results. In comparison to the theoretical ideal case of near-field probing of the structures, numerical calculation is carried out on the basis of a finite-difference and time-domain (FDTD) algorithm so as to support the error analyses. The analyses performed on the basis of both theoretical calculation and experimental probing can provide a helpful reference for the researchers probing their plasmonic structures and nanophotonic devices.