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    User name M. Liang

    Log entry time 14:09:33 on October 5,1998

    Entry number 2439

    keyword=polarization loss during rotation of the field

    Rotate the main holding field of polarized 3He target to longitudinal pumping configuration. Did the NMR measurement of the target polarization, see figure below, before turn on the longitudinal pumping laser. It seems there is about 3% (absolute) polarization loss.


    FIGURE 1