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Fiber-optic end probe with two-dimensional metallic slit arrays for sensing in the infrared region

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Abstract

We demonstrate a fiber-optic SPR based sensor with metallic nanostructures on the fiber end facet. Two-dimensional metallic slit arrays are designed to induce the plasmonic reflection in the infrared region. The proposed sensor shows a high sensitivity of 1000 nm/RIU.

© 2012 Optical Society of America

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