Research Interests: Free space optical and directional RF communication systems, atmospheric turbulence, advanced surveillance systems, plasmonics, chemical and biological sensors, interferometry, optical systems, bioelectromagnetics, RF dosimetry. Currently active research includes optical and RF directional wireless, real-time advanced surveillance systems with “event” detection, the optical properties of nanostructures where surface plasmons can be excited, laser interferometry, dielectrometry, fiber sensors and biosensors, magnetooptics, optical trace detection, atmospheric turbulence, optical communication systems and devices, and studies of the biological effects of non-ionizingradiation.