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arXiv · 2208.04244

Measurement of hyperfine constants and the isotope shift of rubidium 5P$_{1/2}$ excited-state using Saturated Absorption Spectroscopy

P. M. Rupasinghe·Fiona Wee·Thomas Bullock·Jiaxing Liu
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Abstract

The Saturated Absorption Spectroscopy (SAS) was performed to measure the hyperfine energy splittings of rubidium 5P$_{1/2}$ excited state using a homemade external-cavity diode laser (ECDL) operating at 795 nm. Any nonlinearities associated with ECDL scans were removed by using a low-expansion confocal Fabry-Perot cavity and hence created a linearized frequency axis for the spectra collected in a fully automated fashion. We report our measurements for the magnetic dipole coupling constants 120.79(29) and 407.75(50) for $^{85}Rb$ and $^{87}Rb$ respectively.

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P. M. Rupasinghe, Fiona Wee, Thomas Bullock, Jiaxing Liu. 2022-08-08. Measurement of hyperfine constants and the isotope shift of rubidium 5P$_{1/2}$ excited-state using Saturated Absorption Spectroscopy. https://doi.org/10.1088/1402-4896%2Facc4f3

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