Advanced Kelvin Probe Operational Methodology for Space Applications
G. Chiritoi, E. M. Popescu, A. A. Radu, A. Caramete, L. Caramete, A., Pavalas, M. Margaritescu, A. E. Rolea, T. Necsoiu, A. Enuica
TL;DR
This paper introduces a new Kelvin Probe operational method using harmonic signals and Fourier analysis, significantly enhancing scanning performance for space applications.
Contribution
It presents a novel methodology employing harmonic signals and Fourier analysis to improve Kelvin Probe instrument performance in space environments.
Findings
Scanning performance improved by a factor of 60 or more
Method enables full control of the instrument operation
Applicable to space-based measurements
Abstract
We present a novel methodology for the operation of macroscopic Kelvin Probe instruments. The methodology is based on the use of a harmonic backing potential signal to drive the tip-sample variable capacitance and on a Fourier representation of the tip current, allows for the operation of the instrument under full control and improves its scanning performance by a factor of 60 or more over that of currently available commercial instruments.
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Taxonomy
TopicsRadio Astronomy Observations and Technology · Particle accelerators and beam dynamics · Particle Accelerators and Free-Electron Lasers