High-precision measurement of hyperfine structure in the $D$ lines of alkali atoms

Abstract

We have measured hyperfine structure in the first-excited $P$ state ($D$ lines) of all the naturally-occurring alkali atoms. We use high-resolution laser spectroscopy to resolve hyperfine transitions, and measure intervals by locking the frequency shift produced by an acousto-optic modulator to the difference between two transitions. In most cases, the hyperfine coupling constants derived from our measurements improve previous values significantly.

24 pages, 13 figures, accepted in Journal of Physics B: Atomic, Molecular and Optical Physics

References in corpus (1)

• Precise measurement of hyperfine structure in the $5P_{3/2}$ state of ${}^{85}$Rb

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