  The optical absorption properties of graphene wrapped dielectric particles
have been investigated by using Mie scattering theory and exact
multi-scattering method. It is shown that subwavelength strong absorption in
infrared spectra can take place in such systems due to the excitation of
plasmon resonance in graphene. The absorption characteristics and efficiency
are tunable by varying Fermi level and damping constant of graphene, or by
changing size and dielectric constant of small particles. For a cluster of
these particles, the absorption characteristics are also affected by the
separation distance between them. These extreme light resonances and
absorptions in graphene wrapped nanostructures have great potential for
opto-electronic devices.
