In this paper, a study of luminescent particles isolated in individual fiber wells has been performed to characterize the cross talk associated with these fiber bundles. Scanning-electron microscope (SEM) images provide nanometric characterization of the fiber array, while luminescent signals allow for the quantitation of cross talk between adjacent fiber elements. From these studies negligible cross-talk associated with both untapered and tapered bundles was found to exist.
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Eric R. Languirand, Brian M. Cullum, "Characterization of analytical figures of merit of a sub-diffraction limited fiber bundle array for SERS imaging," Proc. SPIE 9863, Smart Biomedical and Physiological Sensor Technology XIII, 98630C (13 May 2016);