Journal of the Korean Physical Society

  • 제73권10호
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  • Pages.1458-1465
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  • 2018
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  • 0374-4884(pISSN)
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  • 1976-8524(eISSN)
한국물리학회 (Korean Physical Society)
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Production of Hyperpolarized 129Xe Using Spin Exchange Optical Pumping

  • 투고 : 2018.09.10
  • 발행 : 2018.11.30
⟨ 이전 논문 다음 논문 ⟩

초록

We present a constructed setup for polarizing $^{129}Xe$ noble gas. Hyperpolarized $^{129}Xe$ has been obtained via spin exchange with an optically pumped rubidium vapor. Optical pumping is based on polarizing the valence electron of rubidium by the resonant absorption of a circularly polarized laser light. The magnetic field of 30 G was used for obtaining $^{129}Xe$ polarization. The apparatus for detecting polarization is a nuclear magnetic resonance spectrometer. The highest $^{129}Xe$ polarization of 54% has been obtained using 60 W circularly polarized laser light with wavelength of 794.7 nm. The measured longitudinal relaxation time of the hyperpolarized $^{129}Xe$ was 72.3 minutes.

키워드

과제정보

연구 과제 주관 기관 : National Research Foundation of Korea (NRF)

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