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Conferences > CLEO_QELS > 2014 > FM4K > FM4K.4

1010 Electromagnetic SERS enhancement in a nanosphere-plane junction under radially polarized focused excitation

Jing Long, Hui Yi, Hongquan Li, Xiaolong He, and Tian Yang

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Abstract

A monolayer of MGITC molecules in a gold nanosphere-plane junction is excited by focusing a radially polarized laser beam. A record electromagnetic enhancement factor of 1010 for deterministic SERS experiments has been obtained.

© 2014 Optical Society of America

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