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physics.ins-det2006★ 28 cited
Long Term Operation and Performance of Cryogenic Sapphire Oscillators
M. E. Tobar, E. N. Ivanov, C. R. Locke +12
Cryogenic Sapphire Oscillators (CSO) developed at UWA have now been in operation around the world continuously for many years. Such oscillators, due to their excellent spectral pur…
physics.ins-det2006★ 77 cited
Cryogenic sapphire oscillator with exceptionally high long-term frequency stability
J. G. Hartnett, C. R. Locke, E. N. Ivanov +2
We report on the development of a sapphire cryogenic microwave resonator oscillator long-term fractional frequency stability of 2x10^-17Sqrt[τ] for integration times τ>10^3 s and n…