Woessner, Achim
Lundeberg, Mark B.
Gao, Yuanda
Principi, Alessandro
Alonso-González, Pablo
Carrega, Matteo
Watanabe, Kenji
Taniguchi, Takashi
Vignale, Giovanni
Polini, Marco
Hone, James
Hillenbrand, Rainer
Koppens, Frank H. L.
Article History
Received: 3 September 2014
Accepted: 11 November 2014
First Online: 22 December 2014
Competing interests
: R.H. is co-founder of Neaspec GmbH, a company producing scattering-type scanning near-field optical microscope systems such as the ones used in this study. All other authors declare no competing financial interests.