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Testing and investigation of luminescence fiber optic temperature sensors

100%

Pustelny T. , Kamizela G.

tom Vol. 19

221-230

Fiber optic sensors may chance to be the interesting and valuable completion of electric and electronic sensors for industrial and scientific application. The main characteristic domain of fiber optic sensors are the non sensitivity to strong electromagnetic disturbance radiation, the complete galvanic insulation as well as the full safety their using in places endangered of explosions and a risk of fire. There are group of luminescent materials, which after their excitation, emit the own light and the properties of emitted light depend on temperature. On temperature depends spectrum of light, its intensity and dynamic parameters of light decaying after excitation. These effects have found application in sensor techniques. In Institute of Physics of Silesian Technical University were elaborated fiber optic temperature sensors based on dependence of decaying time on temperature. In this paper testing and investigation of temperature luminescent fiber optic sensor were presented These sensors are planed to applied in high power transformers and power machines for their work state control.

Optic Fiber Electric Field Sensors

70%

Pustelny T. , Pustelny B. , Kamizela G. , Borysewicz E. , Pustelny S.

1999

tom Vol. 20

195-202

The possibility of the electroluminescent semiconductors of the II-VI group for the construction of the electric fieid intensity sensors arę presented. Using ZnS:Mn and ZnS:Cu luminophors, the fiber optic intensity of electric field sensors were elaborated. This kind of electric field sensors belong to the group of intensity fiber optic sensors. Luminescent optic fiber electric field sensors will be tested to applied in control systems of high voltage transformers, in the future.