Axion Detection with Precision Frequency Metrology Maxim Goryachev Ben McAllister Mike Tobar
Why Frequency Metrology? Frequency and time can be controlled with a nearly 10 -18 accuracy , meaning that such a clock created at the time of the big bang would be today accurate within 1 second.
Why Frequency Metrology? Frequency and time can be controlled with a nearly 10 -18 accuracy , meaning that such a clock created at the time of the big bang would be today accurate within 1 second. In the same time, accuracy of Josephson Junction voltage standards achieve only 10 -8 uncertainty level It seems that frequency is a better “observable” than voltage/amplitude
Frequency Metrology @ UWA Ytterbium Atomic Clock (J. McFerran) Cryogenic Sapphire Oscillators with frequency stability of 10 -16 Ultra-Stable Acoustic Oscillators Ultra-Stable Frequency Transfer (S. Schediwy) Low Phase Noise Measurements (E. Ivanov)
Frequency Metrology for Fundamental Physics (UWA) + other related projects
Frequency Metrology in Paraphoton Detec@on New alternative to Light Shining through a Wall Paraphoton coupling to the 2nd cavity modulate resonance frequency
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