Improvements to JPL's compensated multi-pole Linear Ion Trap Standard and long-term measurements at the 10-16 level

Proceedings of the IEEE International Frequency Control Symposium and Exposition

Volumn , Issue , 2007, Pages 1041-1049

  Burt, E A ^a   Diener, W A ^a   Tjoelker, R L ^a  

^a CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTER NETWORKS; INTERNAL COMBUSTION ENGINES; POLES;

EUROPEAN; FREQUENCY CONTROLS; LINEAR ION TRAP;

STANDARDS;

EID: 51049108347     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/FREQ.2007.4319238     Document Type: Conference Paper

References (25)

1. R. L. Tjoelker, C. Bricker, W. Diener, R. L. Hamell, A. Kirk, P. Kuhnle, L. Maleki, J. D. Prestage, D. Santiago, D. Seidel, D. A. Stowers, R. L. Sydnor, and T. Tucker, "A Mercury Ion Frequency Standard Engineering Prototype for the NASA Deep Space Network," Proceedings of the 50th Frequency Control Symposium, Honolulu, Hawaii, pp. 1073-1081, 1996.
2. G. J. Dick, R. T. Wang, and R. L. Tjoelker, "Cryo-Cooled Sapphire Oscillator with Ultra-High Stability," Proceedings of the 1998 IEEE International Frequency Control Symposium, Pasadena, California, pp. 528-533, 1998.
3. R. L. Tjoelker, J. D. Prestage, and L. Maleki, "Record Frequency Stability with Mercury in a Linear Ion Trap," Proceedings of the 5th Symposium on Frequency Standards and Metrology, Woods Hole, MA, pp. 33-38, 1995.
4. J. D. Prestage, R. L. Tjoelker, and L. Maleki, "Higher Pole Linear Traps for Atomic Clock Applications," Proceedings of the 1999 Joint IFCSEFTF, Becancon, France, pp. 121-124, 1999.
5. R. L. Tjoelker, J. D. Prestage, P. A. Koppang, and T. B. Swanson, "Stability Measurements of a JPL Multi-pole Mercury Trapped Ion Frequency Standard at the USNO," Proceedings of the 2003 Joint IFCSEFTF, Tampa, Florida, pp. 1066-1072, 2003.
6. E. A. Burt and R. L. Tjoelker, "Characterization and Reduction of Number Dependent Sensitivity in Multi-pole Linear Ion Trap Standards," Proceedings of the 2005 IFCS, Vancouver, Canada, pp. 466-471, 2005.
7. J. D. Prestage, R. L. Tjoelker, G. J. Dick, and L. Maleki, "Improved Linear Ion Trap Physics Package," Proceedings of the 1993 IEEE IFCS, Salt Lake City, Utah, pp. 144-147, 1993.
8. J. D. Prestage, R. L. Tjoelker, and L. Maleki, "Higher Pole Linear Traps for Atomic Clock Applications," Proceedings of the 1999 Joint EFTFIEEE IFCS, Besancon, France, pp. 121-124, 1999.
9. J. D. Prestage, R. L. Tjoelker, and L. Maleki, "Recent Developments in Microwave Ion Clocks," Topics in Applied Physics, vol. 79, pp. 195-211, 2001.
10. R. L. Tjoelker, E. Burt, S. Chung, R. Glaser, R. Hamell, L. Lim, L. Maleki, J. D. Prestage, N. Raouf, T. Radey, C. Sepulveda, G. Sprague, B. Tucker, and B. Young, "Mercury Trapped-Ion Frequency Standard for the Global Positioning System," Proceedings of the 33rd Annual Precise Time and Time Interval (PTTI) Meeting, Long Beach, CA, pp. 45-54, Nov. 27-29, 2001.
11. R. L. Tjoelker, E. Burt, S. Chung, R. Glaser, R. Hamell, L. Maleki, J. D. Prestage, N. Raouf, T. Radey, G. Sprague, B. Tucker, and B. Young, "Mercury Trapped Ion Frequency Standard for Space Applications," Proceedings of the 6th Symposium on Frequency Standards and Metrology, University of St. Andrews, Fife, Scotland, pp. 609-614, September 9-14, 2001.
12. J. D. Prestage, S. Chung, T. Le, M. Beach, L. Maleki, and R. L. Tjoelker, "One-Liter Ion Clock: New Capability for Spaceflight Applications," Proceedings of the 35th Annual Precise Time and Time Interval (PTTI) Meeting, San Diego, California, pp. 427-433, 2003. Also see J. D. Prestage, et al., in these proceedings.
13. E. A. Burt, W. A. Diener and R. L. Tjoelker, "Recent Enhancements to the JPL Multi-Pole Linear Ion Trap Standard and First Long-Term Comparisons to UTC," Proceedings of the 2006 PTTI Meeting, Reston, VA, in press.
14. E. A. Burt, J. D. Prestage, and R. L. Tjoelker, "Probing Magnetic Field Effects in 12-Pole Linear Ion Trap Frequency Standards," Proceedings of the 2002 IEEE IFCS, New Orleans, Louisiana, pp. 463-468, 2002.
15. R. L. Tjoelker, S. Chung, W. Diener, A. Kirk, L. Maleki, J. D. Prestage, and B. Young, "Nitrogen Buffer Gas Experiments in Mercury Trapped Ion Frequency Standards," Proceedings of the 2000 IFCS, Kansas City, Missouri, pp. 668-671, 2000.
16. S. K. Chung, J. D. Prestage, R. L. Tjoelker, and L. Maleki, "Buffer Gas Experiments in Mercury (Hg+) Ion Clock," Proceedings of the 2004 IFCS, Montreal Canada, pp. 130-133, 2004.
17. D. J. Berkeland, J. D. Miller, J. C. Bergquist, W. M. Itano, and D. J. Wineland, "Laser-Cooled Mercury Ion Frequency Standard," Phys. Rev. Lett. 80, 2089-2092, 1998.
18. G. J. Dick, "Local Oscillator Induced Instabilities in Trapped Ion Frequency Standards," Proceedings of the 1987 PTTI, Redondo Beach, California, pp. 133-147, 1987.
19. -15 in a Cesium Fountain Frequency Standard Operated Without the Use of Mechanical Shutters," IEEE Transactions on Ultrasonics, Ferroelectronics and Frequency Control, vol. 53, p. 1564, 2006.
20. -15 uncertainty level," Metrologia 43, pp. 109-120, 2006.
21. A. Bauch, private communication.
22. UTC(USNO) - USNOMM data provided by D. Matsakis.
23. R. L. Tjoelker, J. D. Prestage, P. A. Koppang, and T. B. Swanson, "Stability Measurements of a JPL Multi-pole Mercury Trapped Ion Frequency Standard at the USNO," Proceedings of the 2003 Joint IFCSEFTF, Tampa, Florida, pp. 1066-1072, 2003.
24. T. E. Parker, et al., "Investigation of Instabilities in Two-Way Time Transfer," Proceedings of the 34th Annual PTTI Meeting, Reston, VA, 2002.
25. T. Parker and D. Matsakis, private communication.