On the resolving power of high-contrast saturated absorption spectroscopy

C. Schmidt-Iglesias, L. Roso, R. Corbalán

Research output: Contribution to journalArticleResearchpeer-review

4 Citations (Scopus)


Recently Svanberg et al. [Optics Lett. 11 (1986) 138; J. Opt. Soc. Am. B 4 (1987) 462] obtained saturated absorption resonances with subnatural linewidth by working in the regime of high pumping intensities and optically thick atomic samples. We analyze here this new spectroscopic regime, within the formalism of Maxwell-Bloch-type equations, in the case of a Doppler broadened medium having two nearly degenerate but uncoupled resonances. We show that even in this most favourable case it is not possible to resolve spectral features that lie within the natural linewidth. © 1992.
Original languageEnglish
Pages (from-to)251-254
JournalOptics Communications
Issue number4-6
Publication statusPublished - 15 Jun 1992


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