Doppler-free saturation spectroscopy (source code)

= Doppler-free saturation spectroscopy
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{wiki=Saturated_absorption_spectroscopy}

= Saturated absorption spectroscopy
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= Saturation spectroscopy
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<Doppler-free saturation spectroscopy> pairs a strong pump with an opposed weak probe. Shared populations produce a narrow <Lamb dip> within the <Doppler broadening> of a <spectral line>.