Abstract
The purpose of this chapter is to build on the model developed for thermal atoms, introducing the specific features of spectroscopic measurements in the thin cell.
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Notes
- 1.
For high density vapour the index significantly varies across the resonance (see Chap. 6). However, the lifetime of the state reduces significantly due to atom-atom interactions, to the point where a wall-to-wall transit is unlikely. In this case, Dicke narrowing becomes less important to the lineshape.
- 2.
Whose finesse, \(\mathcal {F}\), is related to the reflectivity, \(R\), of the windows by \(\mathcal {F} = \pi \sqrt{R}/(1-R)\) [8]. For sapphire, \(n=1.8\) and \(R=0.28\), yielding a finesse \(\mathcal {F}\sim 2\).
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Keaveney, J. (2014). Thin Cell Spectroscopy. In: Collective Atom–Light Interactions in Dense Atomic Vapours. Springer Theses. Springer, Cham. https://doi.org/10.1007/978-3-319-07100-8_3
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