Absorption spectroscopy and Stokes polarimetry in a ${}^{87}$Rb vapour in the Voigt geometry with a 1.5 T external magnetic field

Abstract

We present a detailed spectroscopic investigation of a thermal ${}^{87}$Rb atomic vapour in a magnetic field of 1.5~T in the Voigt geometry. We fit experimental spectra for all Stokes parameters with our theoretical model \textit{ElecSus} and find very good quantitative agreement, with RMS errors of $\sim 1.5$\% in all cases. We extract the magnetic field strength and the angle between the polarisation of the light and the magnetic field from the atomic signal, and we measure the birefringence effects of the cell windows on the optical rotation signals. This allows us to carry out precise measurements at a high field strength and arbitrary geometries, allowing further development of possible areas of application for atomic magnetometers.

10 pages; submitted to J. Phys. B. arXiv admin note: text overlap with arXiv:1810.01135

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Cited by in corpus (7)

• Optical Memory in a Microfabricated Rubidium Vapor Cell
• Electromagnetically induced transparency in a V-system with ${}^{87}$Rb vapor in the hyperfine Paschen-Back regime
• Better magneto-optical filters with cascaded vapor cells in the Faraday-Faraday and Faraday-Voigt geometries
• Tuneable homogeneous kG magnetic field production using permanent magnets
• A simple, powerful diode laser system for atomic physics
• Voigt transmission windows in optically thick atomic vapours: a method to create single-peaked line centre filters
• Indirect measurement of atomic magneto-optical rotation via Hilbert transform