A microwave exciter for Cs frequency standards based on a sapphire-loaded cavity oscillator |
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| Authors: | Koga Y McNeilage C Searls J H Ohshima S |
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| Affiliation: | Nat. Res. Lab. of Metrol., Ibaraki; |
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| Abstract: | A low noise and highly stable microwave exciter system has been built for Cs atomic frequency standards using a tunable sapphire-loaded cavity oscillator (SLCO), which works at room temperature. This paper discusses the successful implementation of a control system for locking the SLCO to a long-term reference signal and reports an upper limit of the achieved frequency tracking error 6×10-15 at τ=1 s |
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