Abstract
The authors consider the use of a Cr3+:BeAl2O4 laser operating in the mode of free generation as a source of radiation for the optical pumping of vapors of rubidium alkali metal. The use of dispersive elements in the composition of the laser resonator allows smooth tuning of the radiation and generation at wavelengths corresponding to lines D1 and D2 of isotopes 85Rb and 87Rb. The optical pumping of rubidium isotopes using laser radiation with wavelengths of 795 and 780 nm, respectively, is performed experimentally. The fluorescence of the isotopes is demonstrated. The use of tunable wavelength laser generation in the spin-exchange optical pumping of noble gases is discussed.
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Funding
This work was supported by the Russian Foundation for Basic Research, project no. 19-29-10022. It was performed as part of a government contract with the Federal Research Center “Crystallography and Photonics,” for the development of laser sources. Work was done at the Interregional Multifunctional and Interdisciplinary Resource Center for Promising and Competitive Technologies in Areas of the Development and Industrial Implementation of Russian Achievements in the Field of Nanotechnologies, agreement no. 075-15-2021-692 of August 5, 2021.
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Translated by I. Moshkin
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Antipov, A.A., Putilov, A.G. & Shepelev, A.E. Optical Pumping of Rubidium Isotopes with the Radiation of a Cr3+:BeAl2O4 Laser. Bull. Russ. Acad. Sci. Phys. 87, 1675–1679 (2023). https://doi.org/10.3103/S1062873823703872
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DOI: https://doi.org/10.3103/S1062873823703872