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. 2012 Aug 31;12(9):12016–12025. doi: 10.3390/s120912016

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© 2012 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 8. — (a) The surface plasmon resonance sensors based on grapefruit PCF irregularly filled with three silver nanowires; (b) Calculated magnetic field distribution and Im (n_eff) = 5.148529e-5i of the guided-mode that can excite and resonant with plasmonic modes (the wavelength of the incident light is 649 nm, n_a = 1.335).