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@article{Berk:2021:10.1021/acsphotonics.1c00725,
author = {Berk, J and Foreman, MR},
doi = {10.1021/acsphotonics.1c00725},
journal = {ACS Photonics},
pages = {2227--2233},
title = {Theory of multiple scattering enhanced single particle plasmonic sensing},
url = {http://dx.doi.org/10.1021/acsphotonics.1c00725},
volume = {8},
year = {2021}
}
TY - JOUR
AB - Methods to increase the light scattered from small particles can help improve the sensitivity of many sensing techniques. Here, we investigate the role multiple scattering plays in perturbing the scattered signal when a particle is added to a random scattering environment. Three enhancement factors, parametrizing the effect of different classes of multiple scattering trajectories on the field perturbation, are introduced and their mean amplitudes explored numerically in the context of surface plasmon polariton scattering. We demonstrate that there exists an optimum scatterer density at which the sensitivity enhancement is maximized, with factors on the order of 102 achievable. Dependence of the enhancement factors on scatterer properties are also studied.
AU - Berk,J
AU - Foreman,MR
DO - 10.1021/acsphotonics.1c00725
EP - 2233
PY - 2021///
SN - 2330-4022
SP - 2227
TI - Theory of multiple scattering enhanced single particle plasmonic sensing
T2 - ACS Photonics
UR - http://dx.doi.org/10.1021/acsphotonics.1c00725
UR - http://arxiv.org/abs/2105.02798v2
UR - https://pubs.acs.org/doi/10.1021/acsphotonics.1c00725
UR - http://hdl.handle.net/10044/1/90378
VL - 8
ER -