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Preliminary results of an optically pumped cesium beam frequency standard at Peking University

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2 Author(s)
D. -H. Yang ; Peking Univ., China ; Y. -Q. Wang

The preliminary performance of an optically pumped cesium beam frequency standard is reported. The stability is 1.2×10-11 /√τ, comparable to the stability of commercial conventional cesium beam frequency standards. The bias-saturated-absorption lock technique is used to lock the probing laser and the pumping laser to the cesium D2 line. It is a simple, low cost, and reliable locking method with more than 100 h locking time

Published in:

IEEE Transactions on Instrumentation and Measurement  (Volume:40 ,  Issue: 6 )