Yoshito Tanaka   Hiroyasu Ishiguro   Hideki Fujiwara   Yukie Yokota   Kosei Ueno   Hiroaki Misawa   Keiji Sasaki   
OPTICS EXPRESS 19(8) 7726-7733 2011年4月 [査読有り]
We perform direct local-field imaging of a plasmon-resonant gold nanoparticle pair separated by a gap of several nanometers using a scattering-type near-field optical microscope with a sharp silicon tip of atomic force microscope. The sharp tip al...