Absolute frequency measurement of mid-infrared secondary frequency standard at BNM-LPTF
- 1 April 1999
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Instrumentation and Measurement
- Vol. 48 (2), 571-573
- https://doi.org/10.1109/19.769660
Abstract
An absolute frequency measurement of aCO2=OsO4 secondary frequency standard, operating in themid infrared, is reported. A brief description of the measurementchain linking this standard to a hydrogen maserevidences the critical points. The measured frequency stabilityshows that the measurement system reaches the flickerfloor of the frequency standard, below the 10\Gamma14level.I. IntroductionIN our laboratory the last absolute measurement of thefrequency of a CO 2 laser...Keywords
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