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Phase-coupling between modes of two 6328-Å He-Ne lasers through nonlinear gain characteristics of the inverted population Å

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1 Author(s)
W. Hovel ; Institut für Hochfrequenztechnik, Technische Universität, Berlin, GermanyÅ

Mode coupling can occur if the gain of a laser is modulated by a frequency near the axial-mode spacing. This modulation is produced by a second laser acting partially upon the same active medium. Mode coupling and intensity pulsations close to the frequency c/2 [(1/L_{1}) - (1/L_{2})] were observed, in a good agreement with the theoretically calculated waveshapes.

Published in:

IEEE Journal of Quantum Electronics  (Volume:6 ,  Issue: 1 )