Rujukan Jam_atom

  1. ↑ Sir William Thomson (Lord Kelvin) and Peter Guthrie Tait, Treatise on Natural Philosophy, 2nd ed. (Cambridge, England: Cambridge University Press, 1879), vol. 1, part 1, page 227.
  2. 1 2 M.A. Lombardi, T.P. Heavner, S.R. Jefferts (2007). "NIST Primary Frequency Standards and the Realization of the SI Second" (PDF). Journal of Measurement Science. 2 (4): 74. Selenggaraan CS1: Pelbagai nama: senarai pengarang (link)
  3. ↑ Isador I. Rabi, "Radiofrequency spectroscopy" (Richtmyer Memorial Lecture, dihantar di Universiti Columbia di New York, New York, pada 20 Januari 1945). Lihat juga: "Meeting at New York, January 19 and 20, 1945" Physical Review, vol. 67, ms 199-204 (1945). Lihat juga: William L. Laurence, "'Cosmic pendulum' for clock planned," New York Times, 21 Januari 1945, ms 34 (lihat: http://tf.nist.gov/general/pdf/2039.pdf ).
  4. ↑ D.B. Sullivan (2001). "Time and frequency measurement at NIST: The first 100 years". 2001 IEEE International Frequency Control Symposium. NIST. m/s. 4–17. http://tf.nist.gov/timefreq/general/pdf/1485.pdf.
  5. ↑ L. Essen, J.V.L. Parry (1955). "An Atomic Standard of Frequency and Time Interval: A Caesium Resonator". Nature. 176: 280. doi:10.1038/176280a0. 
  6. ↑ W. Markowitz, R.G. Hall, L. Essen, J.V.L. Parry (1958). "Frequency of cesium in terms of ephemeris time". Physical Review Letters. 1: 105–107. doi:10.1103/PhysRevLett.1.105. Selenggaraan CS1: Pelbagai nama: senarai pengarang (link)
  7. ↑ W. Markowitz (1988). "Comparisons of ET(Solar), ET(Lunar), UT and TDT'". In A.K. Babcock, G.A. Wilkins. The Earth's Rotation and Reference Frames for Geodesy and Geophysics, International Astronomical Union Symposia #128. m/s. 413–418.. Muka surat 413–414 memberikan maklumat bahawa saat SI disamakan dengan saat masa efemeris yang ditentukan dari pencerapan bulan, kemudian ditentusahkan berhubungan kepada 1 per 1010.
  8. ↑ D. Lindley (20 May 2009). "Coping With Unusual Atomic Collisions Makes an Atomic Clock More Accurate". National Science Foundation. Dicapai 2009-07-10. 
  9. ↑ J. Ye, H. Schnatz, L.W. Hollberg (2003). "Optical frequency combs: From frequency metrology to optical phase control" (PDF). IEEE Journal of Selected Topics in Quantum Electronics. 9 (4): 1041. Selenggaraan CS1: Pelbagai nama: senarai pengarang (link)
  10. ↑ "Chip-Scale Atomic Devices at NIST". NIST. 2007. Dicapai 2008-01-17. 
  11. ↑ "International System of Units (SI)" (PDF). Bureau International des Poids et Mesures. 2006. 
  12. ↑ "FAQs". Franklin Instrument Company. 2007. Dicapai 2008-01-17.