Title :
The LPTF optically pumped primary frequency standard
Author :
De Clercq, E. ; Rovera, G.D. ; Bouzid, S. ; Clairon, A.
Author_Institution :
Bur. Nat. de Metrol. et Obs. de Paris, France
fDate :
4/1/1993 12:00:00 AM
Abstract :
The construction of an optically pumped Cs beam primary frequency standard was undertaken in the PTF laboratory. The main features of its design are described. Preliminary results and values of the major frequency shifts are then given. The measured short-term stability is reported
Keywords :
atomic beams; atomic photoexcitation; caesium; frequency measurement; frequency stability; measurement standards; optical pumping; Cs; LPTF; Ramsey cavity; frequency shifts; optically pumped primary frequency standard; short-term stability; Arm; Atomic beams; Frequency; Laboratories; Laser beams; Magnetic shielding; Masers; Optical pumping; Stability; Structural beams;
Journal_Title :
Instrumentation and Measurement, IEEE Transactions on