Near-field focusing and magnification through self-assembled nanoscale spherical lenses
Lee, J.Y., Hong, B.H., Kim, W.Y., Min, S.K., Kim, Y., Jouravlev, M.V., Bose, R., Kim, K.S., Hwang, I.-C., Kaufman, L.J.;Wong, C.W.; Kim, P.; Kim, K.S.
Nature, 2009