Langmuir probe data analysis code

Version 1.2 (87.5 KB) by aasim Azooz
four parameters fitting of Langmuir I-V probe data


Updated 28 Nov 2015

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A computer code for plasma Langmuir probe analysis is presented here. The code uses a four parameters fitting method to deduce plasma properties including the ion and electron saturation currents, plasma potential, plasma electron temperature, the electron energy distribution function EEDF. Full simple instructions are given in the pdf file. No need of prior knowledge of MATLAB programming is assumed. The code is compatible with any MATLAB version. If you are working in plasma physics, please give me your feedback

Cite As

aasim Azooz (2023). Langmuir probe data analysis code (, MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R13
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes

This update allows the software to work smoothly on higher matlab versions
The updated software now does more thing in automatic way it also calculates the electron and ion saturation currents, the plasma potential, the flouting potential, the ion and electron number densities, and the plasma electron temperature

correcting a small bug in langmuir111