Some problems concerning the light propagation in the aspect of optoelectronic sensors

In the work various physical effects using in optoelectronic sensors are presented. More detail the electroluminescent and surface plasmon resonance phenomena are discussed. Results of investigations of electric field sensors based on electroluminescent effect are submitted. The surface plasmon resonance spectroscopy is an optical technique that is capable of monitoring chemical and physical processes. It is sensitive to small changes of dielectric properties near a metal surface and has been used to characterize a number of different types of films. This work analyzes the possibility of using the surface plasmon resonance phenomena for gas detection. There are presented the examinations of thin films of phthalocyanines in plasmon system from the point of view of their application in NO2 sensors.