Parker, T E

Frequency ratio measurements at 18-digit accuracy using an optical clock network

Boulder Atomic Clock Optical Network (BACON) Collaboration*, Beloy, K., Bodine, M. I., Bothwell, T., Brewer, S. M., Bromley, S. L., Chen, J.-S., Deschênes, J.-D., Diddams, S. A., Fasano, R. J., et al. (2021) · Nature

Advanced Frequency and Time StandardsNetwork Time Synchronization Technologies

Cited by 390

NIST-F1: recent improvements and accuracy evaluations

Heavner, T. P., Jefferts, S. R., Donley, E. A., Shirley, J. H., & Parker, T. E. (2005) · Metrologia

Advanced Frequency and Time StandardsScientific Measurement and Uncertainty Evaluation

Cited by 355

Precision Atomic Spectroscopy for Improved Limits on Variation of the Fine Structure Constant and Local Position Invariance

Fortier, T. M., Ashby, N., Bergquist, J. C., Delaney, M. J., Diddams, S. A., Heavner, T. P., Hollberg, L., Itano, W. M., Jefferts, S. R., Kim, K., et al. (2007) · Physical Review Letters

Advanced Frequency and Time StandardsAtomic and Molecular Physics

Cited by 226

Comparison between frequency standards in Europe and the USA at the 10−15uncertainty level

Bauch, A., Achkar, J., Bize, S., Calonico, D., Dach, R., Hlavać, R., Lorini, L., Parker, T., Petit, G., Piester, D., et al. (2006) · Metrologia

Advanced Frequency and Time StandardsScientific Measurement and Uncertainty Evaluation

Cited by 225

Operation of the NIST-F1 caesium fountain primary frequency standard with a maser ensemble, including the impact of frequency transfer noise

Parker, T. E., Jefferts, S. R., Heavner, T. P., & Donley, E. A. (2005) · Metrologia

Advanced Frequency and Time StandardsScientific Measurement and Uncertainty Evaluation

Cited by 220

First accuracy evaluation of NIST-F2

Heavner, T. P., Donley, E. A., Levi, F., Costanzo, G., Parker, T. E., Shirley, J. H., Ashby, N., Barlow, S., & Jefferts, S. R. (2014) · Metrologia

Advanced Frequency and Time StandardsScientific Measurement and Uncertainty Evaluation

Cited by 205

Uncertainty of a frequency comparison with distributed dead time and measurement interval offset

Yu, D.-H., Weiss, M., & Parker, T. E. (2007) · Metrologia

Advanced Frequency and Time StandardsScientific Measurement and Uncertainty Evaluation

Cited by 44

Recent improvements in NIST-F1 and a resulting accuracy of /spl delta/f/f=0.61/spl times/10/sup -15/

Heavner, T. P., Jefferts, S. R., Donley, E. A., Shirley, J. H., & Parker, T. E. (2005) · IEEE Transactions on Instrumentation and Measurement

Advanced Frequency and Time StandardsScientific Measurement and Uncertainty Evaluation

Cited by 22