An apertureless near-field microscope for fluorescence imaging
Yang, T. J.
Lessard, Guillaume A.
Quake, Stephen R.
Caltech Library Services
We describe an apertureless near field microscope for imaging fluorescent samples. Optical contrast is generated by exploiting fluorescent quenching near a metallized atomic force microscope tip. This microscope has been used to image fluorescent latex beads with subdiffraction limit resolution. The use of fluorescence allows us to prove that the contrast mechanism is indeed spectroscopic in origin.