Frequency instability measurement system of cryogenic maser oscillator

K. Benmessai, P.F. Bourgeois, Y. Kersale, N. Bazin, Michael Tobar, John Hartnett, M. Oxborrow, V. Giordano

Research output: Contribution to journalArticle

26 Citations (Scopus)


The frequency stability measurement of a new kind of secondary frequency standard, the whispering gallery mode maser oscillator, is reported. Based on a very simple design the beatnote comparison with a state-of-the-art cryogenic sapphire resonator oscillator gave a preliminary result of 10(-14) frequency instability at 1 s integration time. The measurement is limited by the microwave synthesis chain used to evaluate the maser stability.
Original languageEnglish
Pages (from-to)1436-1437
JournalElectronics Letters
Issue number25
Publication statusPublished - 2007

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