Timeframes of Electron Excitation: Phosphorescence Excluded

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    Electron Excitation
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SUMMARY

The discussion focuses on the timeframes of electron excitation, specifically excluding phosphorescence. It highlights that an excited electron can return to its ground state directly or through an intermediate step, as illustrated by the ruby LASER process. In this context, the electron first absorbs a green photon, transitions to an intermediary energy level, and subsequently emits a red photon through stimulated emission. The participants debate the determinacy of the time taken for these transitions, with one contributor suggesting that the timeframe is indeterminate.

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Charles123
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Excluding the process of Phosphorescence, an electron in an excited state will return directly or with a intermediate step to its grown state (like in a ruby LASER before the stimulated emission, where first absorbs a green photon, drops to an intermediary energy level and then emits a red photon by stimulation). But what determines the time it takes for this to happen?
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I think that time is indeterminate
 

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