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Originalpublikation
Wellegehausen, B.; Güttner, A.: Relative Frequenzstabilitätsmessungen an Einmoden-Lasern. In: Zeitschrift für Naturforschung - Section A Journal of Physical Sciences 28 (1973), Nr. 6, S. 968-972. DOI: https://doi.org/10.1515/zna-1973-0619
The relative frequency stabilities and the modulation spectra of differently stabilized lasers are compared. The measurements were made by a Michelson interferometer with an internal optical delay line. For 6328 Å He - Ne-lasers stabilized by means of a Zeeman-absorption-cell and by the Lamb-dip-method frequency-standard-deviations of 1.3 × 105 and 9.0 × 105 Hz for observation times between 1 s and 20 s were measured. The frequency modulation spectra are composed of a low frequency noise part and many discrete frequencies, which can be related to the stabilization mechanism.