36 citations · 160 across the 9 of their papers we have counts for
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physics.atom-ph2009★ 20 cited
Creating traveling waves from standing waves from the gyrotropic paramagnetic properties of Fe ions in a high-Q whispering gallery mode sapphire resonator
Karim Benmessai, Michael Edmund Tobar, Nicholas Bazin +3
We report observations of the gyrotropic change in magnetic susceptibility of the Fe electron paramagnetic resonance at 12.037GHz (between spin states and ) i…
physics.atom-ph2008★ 36 cited
Measurement of fundamental thermal noise limit in a cryogenic sapphire frequency standard using bimodal maser oscillations
Karim Benmessai, Daniel Lloyd Creedon, Michael Edmund Tobar +3
We report observations of the Schawlow-Townes noise limit in a cryogenic sapphire secondary frequency standard. The effect causes a fundamental limit to the frequency stability, an…