4. Measurement uncertainties
4.1 Wavelength uncertainty
4.1.1 Wavelength uncertainty in a vacuum
Measurements of the frequency of many lasers show that there is a certain dispersion around the value entered into the calculator by the manufacturer. This is approximately :
If this uncertainty, which leads to an uncertainty on displacement measurements of ± 10 – 7 in relative terms, i.e. ± 0.1 µm per meter, is deemed too...
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Measurement uncertainties
Calibrating a laser interferometer
Bibliography
References
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