Dominguez, Gerardo
Mcleod, A. S.
Gainsforth, Zack
Kelly, P.
Bechtel, Hans A.
Keilmann, Fritz
Westphal, Andrew
Thiemens, Mark
Basov, D. N.
Article History
Received: 3 April 2014
Accepted: 2 October 2014
First Online: 9 December 2014
Competing interests
: F.K. is co-founder of Neaspec and Lasnix, producers of the s-SNOM and infrared source used in this study. The remaining authors declare no competing financial interests.