Oscillators – Molecular or particle resonant type
Patent
1996-09-19
1998-12-08
Mis, David
Oscillators
Molecular or particle resonant type
31331802, H03L 726, H01S 106
Patent
active
058476180
ABSTRACT:
An atomic maser comprises a walled enclosure (76) defining a resonant cavity (4), and a storage bulb (8) for storing a medium capable of stimulated emission. The storage bulb is a sapphire cylinder (70) that is open at both ends and has two closure members (71,72) for closing the open ends. The closure members are made substantially of titanium and have a coating (73,74) of polyfluoroethene formed on their inner surfaces. At least one of the closure members (71,72) forms part of the walled enclosure.
REFERENCES:
patent: 4449105 (1984-05-01), Frank et al.
patent: 4706042 (1987-11-01), Stein
patent: 5327105 (1994-07-01), Liberman et al.
IEEE Transactions on Instrumentation and Measurement, vol. IM-36, No. 2, Jun. 1987, New York US, pp. 588-593, XP002005029 R.F.C. Vessot et al.: "A Hydrogen Maser at Temperatures Below 1 K".
Bernier Laurent-Guy
Busca Giovanni
Rochat Pascal
Mis David
Observatoire Cantonal de Neuchatel
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