Cryogenic fountain development at NIST and INRIM: Preliminary characterization

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control

Volumn 57, Issue 3, 2010, Pages 600-605

  Levi, Filippo ^a   Calosso, Claudio ^a   Calonico, Davide ^a   Lorini, Luca ^a   Bertacco, Elio K ^a   Godone, Aldo ^a   Costanzo, Giovanni A ^b   Mongino, Barbara ^b   Jefferts, Steven R ^c   Heavner, Thomas P ^c   Donley, Elizabeth A ^c  

^a ISTITUTO NAZIONALE DI RICERCA METROLOGICA   (Italy)

^b POLITECNICO DI TORINO   (Italy)

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

Author keywords

[No Author keywords available]

Indexed keywords

FOUNTAINS; FREQUENCY STANDARDS; LASER COOLING;

ACCURACY EVALUATION; BLACKBODY RADIATION SHIFT; DESIGN FEATURES; PRIMARY FREQUENCY STANDARD; TWIN LASER;

CRYOGENICS;

EID: 84985006641     PISSN: 08853010     EISSN: None     Source Type: Journal    
DOI: 10.1109/TUFFC.2010.1453     Document Type: Article

References (21)

1. Circular T (June 13, 1996) no.101 [Online] Available ftp://ftp2. bipm.org/pub/tai/publication/cirt.101
2. Circular T (April 9, 2009) no.255 [Online] Available ftp://ftp2. bipm.org/pub/tai/publication/cirt.255
3. W. M. Itano, L. L. Lewis, and D. J. Wineland, "Shift of 2S1/2 hyperfine splitting due to blackbody radiation," Phys. Rev. A, vol.25, no.2, pp. 1233-1235, 1982.
4. E. Simon, P. Laurent, and A. Clairon, "Measurement of the Stark shift of the Cs hyperfine splitting in an atomic fountain," Phys. Rev. A, vol.57, no.1, pp. 436-439, 1998.
5. F. Levi, D. Calonico, L. Lorini, S. Micalizio, and A. Godone, "Measurement of the blackbody radiation shift of the 133Cs hyperfine transition in an atomic fountain," Phys. Rev. A, vol. 70, no. 5B, art. no. 033412, 2004.
6. R. Wynands and S. Weyers, "Atomic fountain clocks," Metrologia, vol.42, no.3, pp. S64-S79, 2005.
7. E. J. Angstmann, V. A. Dzuba, and V. V. Flambaum, "Frequency shift of hyperfine transitions due to blackbody radiation," Phys. Rev. A, vol.74, no.2, art. no. 023405, 2006.
8. K. Beloy, U. I. Safronova, and A. Derevianko, "High-accuracy calculation of the blackbody radiation shift in the 133Cs primary frequency standard," Phys. Rev. Lett., vol.97, no.4, art. no. 040801, 2006.
9. T. P. Heavner, T. E. Parker, J. H. Shirley, and S. R. Jefferts, "NISTF1 and F2," in Proc. 7th Symp. Frequency Standard Metrology, 2008, pp. 299- 307.
10. S. R. Jefferts, T. P. Heavner, T. E. Parker, and J. H. Shirley, "NIST cesium fountains-Current status and future prospects," in Proc. 2007 SPIE Conf., art. no.667309.
11. S. R. Jefferts, J. Shirley, T. E. Parker, T. P. Heavner, D. M. Meekhof, C. Nelson, F. Levi, G. Costanzo, A. De Marchi, R. Drullinger, L. Hollberg, W. D. Lee, and F. L. Walls, "Accuracy evaluation of NIST-F1," Metrologia, vol.39, pp. 321-336, 2002.
12. F. Levi, L. Lorini, D. Calonico, and A. Godone, "Reduction of the cold collisions frequency shift in a multiple velocity fountain: A new proposal," IEEE Trans. Ultrason. Ferroelectr. Freq. Control, vol.48, no.3 pp. 847-850, 2001.
13. E. A. Donley, T. P. Heavner, F. Levi, M. O. Tataw, and S. R. Jefferts, "Double-pass acousto-optic modulator system," Rev. Sci. Instrum., vol.76, art. no.063112, 2005.
14. C. Calosso, G. A. Costanzo, and A. De Marchi, "A syncronous multiple frequency synthesizer for atomic fountain frequency standards," in Proc. 15th European Frequency Time Forum, Neuchatel, Switzerland, 2001, pp. 412-415.
15. F. Levi, L. Lorini, D. Calonico, and A. Godone, "IEN-CsF1 accuracy evaluation and two-way frequency comparison," IEEE Trans. Ultrason. Ferroelectr. Freq. Control, vol.51, no.10, pp. 1216-1224, 2004.
16. J. H. Shirley, F. Levi, T. P. Heavner, D. Calonico, D.-H. Yu, and S. R. Jefferts, "Microwave leakage-induced frequency shifts in the primary frequency standards NIST-F1 and IEN-CSF1," IEEE Trans. Ultrason. Ferroelectr. Freq. Control, vol.53, no.12, pp. 2376-2385, 2006.
17. F. Levi, D. Calonico, L. Lorini, and A. Godone, "IEN-CsF1 primary frequency standardat INRIM: accuracy evaluation and TAI calibrations," Metrologia, vol.43, pp. 545-555, 2006.
18. K. Szymaniec, W. Chałupczak, E. Tiesinga, C. J. Williams, S. Weyers, and R. Wynands, "Cancellation of the collisional frequency shift in caesium fountain clocks," Phys. Rev. Lett., vol.98, art. no.153002, 2007.
19. F. Pereira Dos Santos, H. Marion, S. Bize, Y. Sortais, A. Clairon, and C. Salomon, "Controlling the cold collision shift in high precision atomic interferometry," Phys. Rev. Lett., vol.89, art. no.233004, 2002.
20. T. P. Heavner, S. R. Jefferts, E. A. Donley, J. H. Shirley, and T. E. Parker, "NIST-F1: Recent improvements and accuracy evaluations," Metrologia, vol.42, pp. 411-422, 2005.
21. D. Calonico, A. Cina, I. H. Bendea, F. Levi, L. Lorini, and A. Godone, "Gravitational redshift at INRIM," Metrologia, vol.44, pp. L44-L48, 2007.