NON-IONIZING RADIATION DETECTION

A sensors network for non-ionizing radiation detection in the band of 800 MHz to 2.5 GHz was designed and constructed. The system is based on a sensor which shows an output DC voltage proportional to the input RF signal. This network is made of four broad band antennas, four circuit board sensors, a main board and data visualization software. The performance system was analyzed changing its configuration and using several radiation sources. The results presented include the simulation of an Archimedes antenna using CST STUDIO TM and the experimental results of a broad band HG2404CU antenna. The results have shown an efficient system for the electromagnetic radiation detection. As a second part of this work, this prototype will be used as a detector of cellular phone calls in places where they are not allowed such as prisons, banks and so on.

[1]  A. Steiger-Garcao,et al.  Design of a spiral-mode microstrip antenna and matching circuitry for ultra-wide-band receivers , 2002, 2002 IEEE International Symposium on Circuits and Systems. Proceedings (Cat. No.02CH37353).

[2]  J. Ekman,et al.  Susceptibility of sensor networks to intentional electromagnetic interference , 2006, 2006 17th International Zurich Symposium on Electromagnetic Compatibility.

[3]  T. Milligan Modern Antenna Design , 1985 .