Measurement of a(129)Xe transverse relaxation rate without the influence of Rb polarization-induced magnetic gradient

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We demonstrate the measurement of the transverse spin relaxation rate of Xe without the influence of the Rb polarization-induced magnetic field gradient. The optical pumping beam and probe beam turn on and off repeatedly during the measurement to reduce the relaxation originating from the Rb polarization-induced magnetic field gradient. During the absence of the optical pumping beam, the nuclear spin of the noble gas atom does not experience the alkali-polarization-induced magnetic field gradient so that the transverse spin relaxation rate (1/T-2) decreases. When the duty cycle reaches zero, the measured transverse relaxation time T-2 approaches the longitudinal spin relaxation time T-1. Our method helps in roughly estimating the longitudinal spin relaxation time with a single measurement of the free induction decay.
Publisher
OPTICAL SOC AMER
Issue Date
2021-08
Language
English
Article Type
Article
Citation

APPLIED OPTICS, v.60, no.24, pp.7290 - 7296

ISSN
1559-128X
DOI
10.1364/ao.427613
URI
http://hdl.handle.net/10203/288977
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