Measuring the near-field of extraordinary transmission through a periodic hole-array
Author(s) -
Margreet W. Docter,
Ian Young,
O.M. Piciu,
A. Bossche,
Paul F. A. Alkemade,
P.M. van den Berg,
Yuval Garini
Publication year - 2006
Publication title -
proceedings of spie, the international society for optical engineering/proceedings of spie
Language(s) - English
Resource type - Conference proceedings
SCImago Journal Rank - 0.192
H-Index - 176
eISSN - 1996-756X
pISSN - 0277-786X
DOI - 10.1117/12.661969
Subject(s) - transmission (telecommunications) , field (mathematics) , fluorescence , near and far field , brownian motion , optics , physics , computer science , telecommunications , quantum mechanics , mathematics , pure mathematics
The knowledge of the near-field of extra-ordinary transmission through hole-arrays is mostly theoretical; there is less experimental validation of the theory. We study the near-field properties by measuring fluorescent molecules that are immersed in a solution and their Brownian motion. The measurements are performed by filling the space above the hole-array with fluorescent solution and exciting these molecules through the hole-array. By measuring both the fluorescence and the direct exciting light, it is possible to learn about the near-field properties.
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