Researching of the second-order Doppler frequency shift in optically pumped cesium frequency standard

Details Researching of the second-order Doppler frequency shift in optically pumped cesium frequency standard Researching of the second-order Doppler frequency shift in optically pumped cesium frequency standard

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006pabei..24..277z&link_type=abstract

Progress in Astronomy (ISSN 1000-8349), Vol. 24, No. 3, p. 277 - 284 (2006)

Astronomy and Astrophysics

Astronomy

Astronomical Facilities And Technique, Cesium Beam Frequency Standard, Cosine Fourier Transform, Second-Order Doppler Frequency Shift, Optical Pumping

Scientific paper

In this paper, it is demonstrated that the Cosine Fourier transform method is effective at researching the distribution of atomic velocity. Then we have analyzed the Ramsey pattern in our optically pumped cesium beam frequency standard and obtained the velocity distribution of cesium atom. This distribution accords with the theoretical construction of the cesium beam tube. The Second-order Doppler frequency shift is calculated accurately by the known velocity distribution and the resulting overall accuracy of the standard is estimated to be -3.5×10-13.

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