Bryan Hemingway, T. G. Akin, Jennifer A. Taylor, Steven Eric Peil
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Stability Budget for Thermal Calcium-Beam Optical Clock
We assess the limits to long-term frequency stability of a thermal calcium-beam optical clock from a variety of experimental parameters by measuring the change in clock frequency with changes in that parameter's value. Required regulation of the parameters to keep the contributed instability at the 10−17 level are extracted from these measurements and the implications discussed.