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dimanche 21 août 2016

What does the GDV instrument measure in physical terms?

The GDV instrument is based on the stimulation of photon and electron emissions from the surface of the object. The stimulation is provided by transmitting short electrical pulses. In other words, when the object is placed in an electromagnetic field, it is primarily electrons, and also to a certain degree photons, which are ‘extracted’ from the surface of the object.
This process is called ‘photo-electron emissions’ and it has been thoroughly studied with physical electronic methods. The emitted particles accelerate in the electromagnetic field, generating electronic avalanches on the surface of the dielectric (glass) plate. This process is called ‘sliding gas discharge.’ The discharge causes glow from the excitement of molecules in the surrounding gas, and this glow is what is being measured by the GDV instrument. Voltage pulses stimulate optoelectronic emission, while intensifying this emission in the gas discharge, amplified by the electric field created.

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