Lundeberg, Mark B.
Gao, Yuanda
Woessner, Achim http://orcid.org/0000-0002-5024-4201
Tan, Cheng
Alonso-González, Pablo
Watanabe, Kenji http://orcid.org/0000-0003-3701-8119
Taniguchi, Takashi
Hone, James
Hillenbrand, Rainer
Koppens, Frank H. L.
Article History
Received: 17 February 2016
Accepted: 17 August 2016
First Online: 19 September 2016
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.