A coaxial probe with a vertically split outer sensor for charge and dimensional measurement of a passing object

Using a configuration of electrodes connected to charge sensitive amplifiers, the position of a charged particle in free space can be determined in all three dimensions. In our experiment, spheres with a diameter of a millimeter and a charge of about 0.1 pC are traced while they are bouncing at a surface. A spatial resolution of about 0.5 mm combined with a temporal resolution better than 10 µs is achieved. Moreover, the transfer of electric charges when touching a surface can be evaluated.

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A coaxial probe with a vertically split outer sensor for charge and dimensional measurement of a passing object

Cited by 3 publications

References 15 publications

Following the motion of a charged conducting sphere by electrostatic induction in a parallel plate capacitor

Following the motion of a charged conducting sphere by electrostatic induction in a parallel plate capacitor

Long-standing and unresolved issues in triboelectric charging

Three dimensional tracing of a charged particle by electrostatic detection

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