Cryocooled sapphire oscillator with ultrahigh stability

IEEE Transactions on Instrumentation and Measurement

Volumn 48, Issue 2, 1999, Pages 528-531

  Wang, Rabi T ^a   Dick, G John ^a  

^a CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

Cryogenics; Frequency stability; Microwave oscillators; Sapphire

Indexed keywords

EID: 0000012285     PISSN: 00189456     EISSN: None     Source Type: Journal    
DOI: 10.1109/19.769650     Document Type: Article

References (14)

1. J. Dick and R. T. Wang, "Cryocooled sapphire oscillator for the CASSINI Ka-band experiment," in Proc. 1997 Int. IEEE Frequency Control Symp., 1997, pp. 1009-1014.
2. _, "Improved performance of the superconducting cavity maser at short measuring times," in Proc. 44th Annu. Frequency Control Symp., 1990, pp. 89-93.
3. A.N. Luiten, A. G. Mann, N. J. McDonald, and D. G. Blair, "Latest results of the U. W. A. cryogenic sapphire oscillator," in Proc. 1995 Int. Frequency Control Symp., 1995, pp. 433-437.
4. 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," in Proc. 1996 Int. Frequency Control Symp., pp. 1073-1081.
5. R.L. Tjoelker, J. D. Prestage, and L. Maleki, "Record frequency stability with mercury in a linear ion trap," in Proc. 5th Symp. Frequency Standards Metrology, Woods Hole, MA, Oct. 15-19, 1995.
6. G. Santarelli, S. Ghezali, Ph. Laurent, S. N. Lea, M. Bahoura, K. Szymaniec, E. Simon, and A. Clairon, "Recent results of the LPTF cesium fountain primary frequency standard," in Proc. 1995 IEEE Int. Frequency Control Symp., pp. 60-65.
7. P. Boolchand, G. H. Lemon, W. J. Bresser, R. N. Enzweller, and R. Harris, "A general purpose cold finger using a vibration-free mounted He closed-cycle cryostat," Rev. Sci. Instrum., vol. 66, pp. 3015-3057, Apr. 1995.
8. A.G. Mann, A. N. Luiten, D. G. Blair, and M. J. Buckingham, "Ultrastable cryogenic sapphire dielectric microwave resonators," in Proc. 46th Annu. Frequency Control Symp., 1992, pp. 167-171.
9. -13 in a compensated sapphire oscillator operating above 77 K," in Proc. 1996 Int. IEEE Frequency Control Symp., pp. 772-775.
10. M.E. Tobar, J. Krupka, J. G. Hartnett, E. N. Ivanov, and R. A. Woode, "Sapphire-rutile frequency temperature compensated whispering gallery microwave resonators," in Proc. 1997 IEEE Int. Frequency Control Symp., pp. 1000-1008.
11. G.D. Raithby and K. G. T. Hollands, "Natural convection," in Handbook of Heat Transfer Fundamentals, 2nd ed., W. M. Rohsenow, J. P. Hartnett, and E. N. Ganic, Eds. New York: McGraw-Hill, 1985.
12. R.A. Osegueda, J. H. Pierluissi, L. M. Gill, A. Revilla, G. J. Villalva, G. J. Dick, D. G. Santiago, and R. T. Wang, "Two-dimensional finite element determination of modes and frequencies for an anisotropic cylindrical dielectric resonator," in Proc. 10th Annu. Review Progress Applied Computational Electromagnetics (ACES), 1994.
13. P.H. Ceperly and J. G. Castle, Jr., "UHF losses in sapphire and ruby at low temperatures," IEEE Trans. Nucl. Sci., vol. NS-19, pp. 222-225, 1972.
14. G.J. Dick, "Local oscillator induced instabilities in trapped ion frequency standards," in Proc. 19th Precise Time and Time Interval (PTTI) Applications and Planning Meeting, Redondo Beach, CA, 1987, pp. 133-147.