Optical pumping of rubidium isotopes by Cr 3+ :BeAl 2 O 4  laser radiation

A. A. Antipov; Антипов А. А.; A. G. Putilov; Путилов А. Г.; A. E. Shepelev; Шепелев А. Е.

doi:10.31857/S0367676523702794

Optical pumping of rubidium isotopes by Cr³⁺:BeAl₂O₄ laser radiation

Authors: Antipov A.A.¹, Putilov A.G.¹, Shepelev A.E.¹
Affiliations:
1. Institute on Laser and Information Technologies of the Federal Scientific Research Centre “Crystallography and photonics” of Russian Academy of Sciences
Issue: Vol 87, No 11 (2023)
Pages: 1614-1618
Section: Articles
URL: https://edgccjournal.org/0367-6765/article/view/654562
DOI: https://doi.org/10.31857/S0367676523702794
EDN: https://elibrary.ru/FQSUWV
ID: 654562

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Abstract
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Abstract

We consider the use of a Cr³⁺:BeAl₂O₄ laser in free-running operating as a source of emission for optical pumping rubidium alkali metal vapors. The use of dispersive elements in the composition of the laser cavity makes it possible to smoothly tune lasing wavelength and to realize generation at wavelengths corresponding to the D₁ and D₂ lines of the ⁸⁵Rb and ⁸⁷Rb isotopes. Optical pumping of rubidium isotopes by laser emission with wavelengths of 795 and 780 nm, respectively, is experimentally implemented, and their fluorescence is demonstrated. The question of using a wavelength-tunable laser in the method of spin-exchange optical pumping of noble gases is discussed.

References

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https://steck.us/alkalidata/rubidium85numbers.pdf.
https://steck.us/alkalidata/rubidium87numbers.pdf.