@article{KalkbrennerHakansonSchaedleetal.2005, author = {T. Kalkbrenner and U. Hakanson and Achim Sch{\"a}dle and Sven Burger and C. Henkel and V. Sandoghdar}, title = {Optical microscopy using the spectral modifications of a nano-antenna}, journal = {Phys. Rev. Lett.}, volume = {95}, pages = {200801}, doi = {10.1103/PhysRevLett.95.200801}, year = {2005}, }