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Linek, Adam, 2025, "Python PI Control Script for Laser Wavelength Stabilisation", https://doi.org/10.18150/S4VIZZ, RepOD, V1
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This dataset contains a Python script implementing a proportional–integral (PI) control loop for stabilising the wavelength of a laser system. The script communicates with a SLICE-DHV high-voltage driver via PyVISA to tune the piezo actuator of the laser, while simultaneously reading the laser wavelength from a HighFinesse wavemeter through the wlmData.dll interface.
The control loop compensates deviations from a user-defined setpoint, applying anti-windup protection and enforcing safety limits on wavelength error and control voltage. All measurements and control signals are continuously logged to a file for later analysis.
The software has been developed for laboratory use in high-precision laser spectroscopy and frequency metrology experiments, where long-term wavelength stability of ultra-stable laser systems is essential.
laser wavelength stabilisation, PI controlle, proportional–integral control, PyVISA, HighFinesse wavemeter, SLICE-DHV, frequency metrology, laser spectroscopy
Adam Linek, Towards High-Precision Spectroscopy of Alkaline, Alkaline-Earth-Like, and Antimatter Atomic Systems, PhD Thesis, Nicolaus Copernicus University in Toruń, 2025 :
MIT License
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