A Comparison of Direct and Servo Methods for Utilizing Cesium Beam Resonators as Frequency Standards

@inproceedings{Beehle1962ACO,
  title={A Comparison of Direct and Servo Methods for Utilizing Cesium Beam Resonators as Frequency Standards},
  author={R. E. Beehle and William R. Atkinson and Leonie Heim and C. S. Snider},
  year={1962}
}
  • R. E. Beehle, William R. Atkinson, +1 author C. S. Snider
  • Published 1962
  • Engineering
  • Two systems, in which the frequency of a high quality quartz crystal oscillator can be controlled by a servo system employing as a reference frequency the (F = 4, m F = 0)?(F = 3, m F = 0) transition in the ground electronic state of cesium133, have been in operation for about one year at the National Bureau of Standards. These systems are presently used in conjunction with the United States Frequency Standard, NBS II, and the alternate standard, NBS I, for measuring the frequencies of the… CONTINUE READING

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