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    User name X. Zheng

    Log entry time 18:16:36 on June 8,2001

    Entry number 62547

    keyword=Target EPR

    5:53pm: EPR, frequency shift 44.15 KHz, polarization 37.06%

    Using laser #6, looks like only laser #6 can induce good D2 (symmetric) signal around resonance.

    This measurement was done at field direction 180 degree. Resonance frequency has shifted from 11.7 to 11.86, which means field is about 1% higher than @ 0 degree.

    Had adjusted PI feedback box gains to obtain better lockin, hope this will save epr measurement with the damaged photodiode.