Hyper-polarisation of xenon nuclei by spin-exchange optical pumping with broadband diode laser in an optically opaque medium

D. Radnatarov; S. Kobtsev

doi:10.1117/12.2687439

27 November 2023 Hyper-polarisation of xenon nuclei by spin-exchange optical pumping with broadband diode laser in an optically opaque medium

D. Radnatarov, S. Kobtsev

Author Affiliations +

Proceedings Volume 12761, Semiconductor Lasers and Applications XIII; 1276112 (2023) https://doi.org/10.1117/12.2687439
Event: SPIE/COS Photonics Asia, 2023, Beijing, China

Conference Poster

Abstract

This study examines the efficiency of spin hyper-polarization of xenon nuclei via spin-exchange optical pumping in an optically opaque medium of rubidium vapor with almost complete absorption of resonant radiation. A numerical model is presented that takes into account the depletion of broadband pumping in opaque medium. The study shows that the proposed method of estimating average rubidium polarization from absorption measurements of the optical pump radiation is applicable. The authors also demonstrate theoretically and experimentally the creation of a xenon polarization gradient in an optically opaque medium and propose a technique to maximize signal from gradient-polarized xenon in NMR spectroscopy.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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D. Radnatarov and S. Kobtsev "Hyper-polarisation of xenon nuclei by spin-exchange optical pumping with broadband diode laser in an optically opaque medium", Proc. SPIE 12761, Semiconductor Lasers and Applications XIII, 1276112 (27 November 2023); https://doi.org/10.1117/12.2687439

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