Accepted Manuscript Title: A compact differential refractive index sensor based on localized surface plasmons Author: Susan Derenko Thomas H¨ artling Gregor Unglaube Lukas M. Eng J ¨ org Opitz PII: S0924-4247(14)00226-X DOI: http://dx.doi.org/doi:10.1016/j.sna.2014.04.043 Reference: SNA 8784 To appear in: Sensors and Actuators A Received date: 22-11-2013 Revised date: 1-4-2014 Accepted date: 28-4-2014 Please cite this article as: S. Derenko, T. H¨ artling, G. Unglaube, L.M. Eng, J. Opitz, A compact differential refractive index sensor based on localized surface plasmons, Sensors and Actuators: A Physical (2014), http://dx.doi.org/10.1016/j.sna.2014.04.043 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.