A simple and low-cost setup for part per billion level frequency stabilization and characterization of red He-Ne laser

Fig. 5, panel (1)

Left panel: error signal (bits) against time (s) while the tube is preheated and after the PID feedback is switched on, points joined by a line. The PID ON arrow and the preheating-time brace of the print are not reproduced.

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• Data: data.csv

Provenance

This panel was reproduced from the authors' public data deposit (Zenodo: https://doi.org/10.5281/zenodo.7152400, CC BY 4.0). The plot shown here is re-rendered for interactive viewing and analysis. See the paper for the original figure and full scientific context.

License: CC BY 4.0.

HardwareX 14, e00421 (2023) · DOI: 10.1016/j.ohx.2023.e00421

Other panels of Fig. 5: (2)

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