Frequency Stability of Maser Oscillators Operated With Enhanced Cavity Q

Michel Têtu and Pierre Tremblay, Paul Lesage, Pierre Petit, Claude Audoin

Abstract:	This paper presents an experimental study of the short term frequency stability of masers equipped with an external feedback loop to increase the cavity quality factor. The frequency stability of a hydrogen and a rubidium maser are measured and compared with theoretical evaluation. It is observed that the frequency stability passes through an optimum when the cavity Q is varied. Long term fluctuations are discussed and the optimum mid term frequency stability achievable by small size active and passive H-masers is considered.
Published in:	Proceedings of the 13th Annual Precise Time and Time Interval Systems and Applications Meeting December 1 - 3, 1981 Naval Research Laboratory Washington, DC
Pages:	667 - 684
Cite this article:	Têtu, Michel, Tremblay, Pierre, Lesage, Paul, Petit, Pierre, Audoin, Claude, "Frequency Stability of Maser Oscillators Operated With Enhanced Cavity Q," Proceedings of the 13th Annual Precise Time and Time Interval Systems and Applications Meeting, Washington, DC, December 1981, pp. 667-684.
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