Abstract
Saturation induced minima of the output power of a He/Ne-laser appear if Zeeman splitting equals the frequency separation. These minima have been investigated as a function of pressure. The results show pressure broadening caused by velocity changing and alignment destroying collisions. In contrast to Lamb-dip measurements the effect of phase changing collisions on collision broadening is negligible.
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Dedicated to Prof. Dr. A. Schmillen on the occasion of his 60th birthday.
We thank Dipl.-Phys. G. Lasnitschka for helpful assistance and the Deutsche Forschungsgemeinschaft for support.
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Graubner, F., Hermann, G. & Scharmann, A. Effect of collisions on the mode crossing signals of a He/Ne-laser. Z. Physik 269, 79–82 (1974). https://doi.org/10.1007/BF01668872
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DOI: https://doi.org/10.1007/BF01668872