Development of near field detecting probe by optoelectronic elements

This paper introduces a probe in particular for near field measurements of electric field and magnetic field. It has a very tiny size about 1×1×1 cm3. The photoelectric power supply and optical signal transmission make it have smallest field distortion. It enables measurements both in the time and frequency domain. Due to standard far field measurements needs a standard and an expensive system. We can utilize this probe to measure the electromagnetic fields of electronic circuit when it is working. Then we can use specific theories to transform the near field measurements into far field.