Imaging techniques 2 Light propagation 2 Nanoscope 2 Near field optical microscope 2 Near field scanning optical microscopy 2 Nonlinear optical nanoscopes 2 Nonlinear optics 2 Optical fibers 2 Optical resolving power 2 Optical waveguides 2 Scanning near-field optical microscopes (SNOM) 2 Scanning tunneling microscopy 2 Second harmonic (SH) 2 Second harmonic generation 2 Sensitivity analysis 2 Surface optical second harmonic generation 2 Surface optical second harmonic generations 2 Thin films 2 Three dimensional computer graphics 2