Abstract
We describe the optical dephasing of YLiF4:Er3+ using a computer simulation which takes into account the mutual spin flips of 3000 F host nuclei. The highly non-exponential echo decay results from the “frozen core” of nuclear spins near the large Er3+ magnetic moment, whose spin flip rates are greatly slowed compared to the unperturbed spins. We study the decay as a function of the parameters which describe the dynamics of the nuclear spins.KeywordsElectron Spin ResonanceNuclear SpinFreeze CoreSpectral DiffusionNuclear Magnetic Resonance FrequencyThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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