Perturbation theory and the longitudinal relaxation time T1 measurement for spin exchange optical polarized 129Xe

Yingying Li; Xiang Zhan; Zhiguo Wang; Shilong Jin; Jie Yuan; Hui Luo

doi:10.1117/12.2282404

25 October 2017 Perturbation theory and the longitudinal relaxation time T₁ measurement for spin exchange optical polarized ¹²⁹Xe

Yingying Li, Xiang Zhan, Zhiguo Wang, Shilong Jin, Jie Yuan, Hui Luo

Author Affiliations +

Proceedings Volume 10464, AOPC 2017: Fiber Optic Sensing and Optical Communications; 1046405 (2017) https://doi.org/10.1117/12.2282404
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China

Abstract

Spin exchange optical pumping is an efficient technique to obtain large quantities of hyperpolarized ¹²⁹Xe nuclei. The spin oscillating perturbation theory for spin exchange optical polarized ¹²⁹Xe nuclei is established in this paper. The theoretical framework relies on the perturbation method of the steady state solution to derive the rate equations and analytical solutions of ¹²⁹Xe nuclear spin. This model gives rise to a novel fast determination of longitudinal relaxation time T₁ for the hyperpolarized 129Xe nuclei. This direct measurement method is applied to the ¹²⁹Xe in the gas phase and reduces the time consuming than the conventional inversion-recovery method. The method exhibits potential role in the development of the samples with long longitudinal relaxation time.

Citation Download Citation

Yingying Li, Xiang Zhan, Zhiguo Wang, Shilong Jin, Jie Yuan, and Hui Luo "Perturbation theory and the longitudinal relaxation time T₁ measurement for spin exchange optical polarized ¹²⁹Xe", Proc. SPIE 10464, AOPC 2017: Fiber Optic Sensing and Optical Communications, 1046405 (25 October 2017); https://doi.org/10.1117/12.2282404

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KEYWORDS

Xenon

Chemical species

Magnetism

Rubidium

Optical pumping

Polarization

Spin polarization

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