Frequency Ratio of Al⁺ and Hg⁺ Single-Ion Optical Clocks; Metrology at the 17th Decimal Place von Rosenband, T, Hume, D.B, Schmidt, P.O, Chou, C.W, Brusch, A, Lorini, L, Oskay, W.H, Drullinger, R.E, Fortier, T.M, Stalnaker, J.E, Diddams, S.A, Swann, W.C, Newbury, N.R, Itano, W.M, Wineland, D.J, Bergquist, J.C

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Absolute frequency measurements of the Hg+ and Ca optical clock transitions with a femtosecond laser von Udem, T, Diddams, S A, Vogel, K R, Oates, C W, Curtis, E A, Lee, W D, Itano, W M, Drullinger, R E, Bergquist, J C, Hollberg, L

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Precision frequency measurement of visible intercombination lines of strontium von Ferrari, G, Cancio, P, Drullinger, R, Giusfredi, G, Poli, N, Prevedelli, M, Toninelli, C, Tino, G M

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Laser sources for precision spectroscopy on atomic strontium von Poli, N., Ferrari, G., Prevedelli, M., Sorrentino, F., Drullinger, R.E., Tino, G.M.

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Laser-pumped rubidium frequency standards: new analysis and progress von Mileti, G., Jinquan Deng, Walls, F.L., Jennings, D.A., Drullinger, R.E.

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Accuracy evaluation of NIST-F1 von Jefferts, S R, Shirley, J, Parker, T E, Heavner, T P, Meekhof, D M, Nelson, C, Levi, F, Costanzo, G, Marchi, A De, Drullinger, R, Hollberg, L, Lee, W D, Walls, F L

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Accuracy evaluation of the primary frequency standard NIST-7 von Shirley, J H, Lee, W D, Drullinger, R E

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Frequency stabilization of semiconductor lasers by resonant optical feedback von DAHMANI, B, HOLLBERG, L, DRULLINGER, R

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A reliable, compact, and low-cost Michelson wavemeter for laser wavelength measurement von Fox, P. J., Scholten, R. E., Walkiewicz, M. R., Drullinger, R. E.

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Optical frequency standards and measurements von Hollberg, L., Oates, C.W., Curtis, E.A., Ivanov, E.N., Diddams, S.A., Udem, T., Robinson, H.G., Bergquist, J.C., Rafac, R.J., Itano, W.M., Drullinger, R.E., Wineland, D.J.

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Cooling of Sr to high phase-space density by laser and sympathetic cooling in isotopic mixtures von Ferrari, G., Drullinger, R. E., Poli, N., Sorrentino, F., Tino, G. M.

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Recent atomic clock comparisons at NIST von Lorini, L., Ashby, N., Brusch, A., Diddams, S., Drullinger, R., Eason, E., Fortier, T., Hastings, P., Heavner, T., Hume, D., Itano, W., Jefferts, S., Newbury, N., Parker, T., Rosenband, T., Stalnaker, J., Swann, W., Wineland, D., Bergquist, J.

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An optical clock based on a single trapped (199)Hg(+) ion von Diddams, S A, Udem, Th, Bergquist, J C, Curtis, E A

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Cooling and trapping of ultracold strontium isotopic mixtures von Poli, N., Drullinger, R. E., Ferrari, G., Léonard, J., Sorrentino, F., Tino, G. M.

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The accuracy evaluation of NIST-7 von Lee, W.D., Shirley, J.H., Lowe, J.P., Drullinger, R.E.

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Primary Atomic Frequency Standards at NIST von Sullivan, D B, Bergquist, J C, Bollinger, J J, Drullinger, R E, Itano, W M, Jefferts, S R, Lee, W D, Meekhof, D, Parker, T E, Walls, F L, Wineland, D J

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Rabi pedestal shifts as a diagnostic tool in primary frequency standards von Shirley, J.H., Lee, W.D., Rovera, G.D., Drullinger, R.E.

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An optical clock based on a single trapped 199Hg+ion von DIDDAMS, S. A, UDEM, Th, WINELAND, D. J, BERGQUIST, J. C, CURTIS, E. A, DRULLINGER, R. E, HOLLBERG, L, ITANO, W. M, LEE, W. D, OATES, C. W, VOGEL, K. R

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The 199Hg+ single ion optical clock: recent progress von Tanaka, U, Bize, S, Tanner, C E, Drullinger, R E, Diddams, S A, Hollberg, L, Itano, W M, Wineland, D J, Bergquist, J C

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An Optical Clock Based on a Single Trapped [sup.199][Hg.sup.+] Ion von Diddams, S. A, Udem, Th, Bergquist, J. C, Curtis, E. A, Drullinger, R. E, Hollberg, L, Itano, W. M, Lee, W. D, Oates, C. W, Vogel, K. R, Wineland, D. J

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