Optical antennas with multiple plasmonic nanoparticles for tip-enhanced Raman microscopy

Atsushi Taguchi, Jun Yu, Prabhat Verma, Satoshi Kawata
2015 Nanoscale  
TERS enhancement maximizes for an optimal number of grains on the plasmonic tip. A probe with multiple grains shows stronger enhancement than a probe with smooth surface.
doi:10.1039/c5nr05022g pmid:26439510 fatcat:swir3jht7nh2laaz4zv4wuqdom