Selective excitation of multipolar surface plasmon in a graphene-coated dielectric particle by Laguerre Gaussian beam
Yang Yang1, 2, Zhang Guanghua1, †, Dai Xiaoyu1
       

Electric charge distribution of the graphene coated dielectric particle excited by LG beam for different localized plasmonic mode, corresponding to the multipolar mode of the localized surface plasmon in Fig. 5.