NIST cesium Fountains - Current status and future prospects

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 6673, Issue , 2007, Pages

  Jefferts, S R ^a   Heavner, T P ^a   Parker, T E ^a   Shirley, J H ^a  

^a NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CRYOGENICS; LASER COOLING; NATURAL FREQUENCIES;

ATOMIC TIME; CESIUM FOUNTAINS;

CESIUM;

EID: 42149101600     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.734965     Document Type: Conference Paper

References (11)

1. J.C. Bergquist, S.R. Jefferts, D.J. Wineland, Time Measurement at the Millenium, Phys. Today 54 37-42 (2001).
2. S.R. Jefferts, J.H. Shirley, T.E. Parker, T.P. Heavner, D.M. Meekhof, C.W. Nelson, F. Levi, G. Costanzo, A. DeMarchi, R.E. Drullinger, L. Hollberg, W.D. Lee, and F.L. Walls, Accuracy Evaluation of NIST-F1, Metrologia 39 321-336 (2002).
3. T.P. Heavner, S.R. Jefferts, E.A. Donley, J.H. Shirley, and T.E. Parker, NIST-F1: recent improvements and accuracy evaluations, Metrologia 42 411-422 (2005).
4. T.E. Parker, S.R. Jefferts, T.P. Heavner, and E.A. Donley, Operation of the NIST-F1 caesium fountain primary frequency standard with a maser ensemble, including the impact of frequency noise, Metrologia 42 423-430 (2005).
5. J.A. Barnes, Basic Concepts of Precise Time and Frequency, N.B.S. Monograph Chapter 1.
6. W.M. Itano, J.C. Bergquist, J.J. Bollinger, J.M. Gilligan, D.J. Heinzen, F.L. Moore, M.G. Raizen, and D.J. Wineland, Quantum projection noise: population fluctuations in 2-level systems, Phys Rev A 47 3554-3570 (1993).
7. E. Tiesinga, B.J. Verhaar, H.T.C. Stoof, D.vanBragt, Spin-exchange frequency shift in a cesium atomic fountain, Phys Rev A 45 2671-2673 (1992).
8. 1/2 hyperfine splittings due to blackbody radiation, Phys Rev A 25 1233-1235 (1982).
9. S.R. Jefferts, J.H. Shirley, N. Ashby, E.A. Burt, G.J. Dick, Power Dependence of Distributed Cavity Phase Induced Frequency Biases in Atomic Fountain Frequency Standards, IEEE T. Ultrason. 52 2314-2321.
10. J.H. Shirley, F. Levi, T.P. Heavner, D. Calonico, D.Yu, and S.R. Jefferts, Microwave Leakage-Induced Frequency Shifts in the Primary Frequency Standards NIST-F1 and IEN-CSF1 IEEE T. Ultrason. 53 2376-2385.
11. F. Levi, J.H. Shirley, T.P. Heavner, D. Yu, and S.R. Jefferts, Power Dependence of the Frequency Bias Caused by Spurious Components in the Microwave Spectrum in Atomic Fountains IEEE T. Ultrason. 53 1584-1589.