%0 Journal Article %K Electricity %K Methodology %K Laser %K Oxide %K Perovskite %K Oxides %K Fluorescence %K Infrared %K Infrared spectroscopy %K Computer simulation %K Article %K Image enhancement %K Titanium %K Instrumentation %K Calcium compounds %K Calcium derivative %K Molecular Imaging %K Optical instrumentation %K Scanning near field optical microscopy %K Superlens %K Infrared spectrophotometry %K Lenses %K Spectrophotometry %A S.C Kehr %A Y.M Liu %A L.W Martin %A P Yu %A M Gajek %A S.-Y Yang %A C.-H Yang %A M.T Wenzel %A R Jacob %A H.-G von Ribbeck %A M Helm %A X Zhang %A L.M Eng %A Ramamoorthy Ramesh %B Nature Communications %D 2011 %G eng %R 10.1038/ncomms1249 %T Near-field examination of perovskite-based superlenses and superlens-enhanced probe-object coupling %V 2