Search Results - "LISDAT, Ch"

Blackbody radiation shift in strontium lattice clocks revisited by Lisdat, Ch, Dörscher, S., Nosske, I., Sterr, U.

“…We reevaluate the blackbody radiation (BBR) induced ac-Stark shift of the strontium clock transition (5s5p)^{3}P_{0}-(5s^{2})^{1}S_{0} at 698nm used as…”
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Experimental determination of the E2-M1 polarizability of the strontium clock transition by S. Dörscher, J. Klose, S. Maratha Palli, Ch. Lisdat

“…To operate an optical lattice clock at a fractional uncertainty below 10^{−17}, one must typically consider not only electric-dipole (E1) interaction between…”
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Determination of the calcium ground state scattering length by photoassociation spectroscopy at large detunings by VOGT, F, GRAIN, Ch, NAZAROVA, T, STERR, U, RIEHLE, F, LISDAT, Ch, TIEMANN, E

“…Photoassociation spectroscopy was used to determine the s-wave scattering length of 40Ca atoms in their electronic ground state. Vibrational levels were…”
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Transportable Optical Lattice Clock with 7 × 10 − 17 Uncertainty by Koller, S. B., Grotti, J., Vogt, St, Al-Masoudi, A., Dörscher, S., Häfner, S., Sterr, U., Lisdat, Ch

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Feasibility of narrow-line cooling in optical dipole traps by GRAIN, Ch, NAZAROVA, T, DEGENHARDT, C, VOGT, F, LISDAT, Ch, TIEMANN, E, STERR, U, RIEHLE, F

“…We have investigated the influence of narrow-line laser cooling on the loading of Ca atoms into optical dipole traps. To describe the narrow-line cooling of…”
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A transportable strontium optical lattice clock by Poli, N., Schioppo, M., Vogt, S., Falke, St, Sterr, U., Lisdat, Ch, Tino, G. M.

“…We report on a transportable optical clock, based on laser-cooled strontium atoms trapped in an optical lattice. The experimental apparatus is composed of a…”
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Experimental determination of the E 2 − M 1 polarizability of the strontium clock transition by Dörscher, S., Klose, J., Maratha Palli, S., Lisdat, Ch

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Collisional losses, decoherence, and frequency shifts in optical lattice clocks with bosons by Lisdat, Ch, Winfred, J S R Vellore, Middelmann, T, Riehle, F, Sterr, U

“…We have quantified collisional losses, decoherence and the collision shift in a one-dimensional optical lattice clock on the highly forbidden transition…”
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Compensation of field-induced frequency shifts in Ramsey spectroscopy of optical clock transitions by Taichenachev, A. V., Yudin, V. I., Oates, C. W., Barber, Z. W., Lemke, N. D., Ludlow, A. D., Sterr, U., Lisdat, Ch, Riehle, F.

“…We have extended Ramsey spectroscopy by stepping the probe frequency during the two Ramsey excitation pulses to compensate frequency shifts induced by the…”
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Transportable Optical Lattice Clock with 7×10^{-17} Uncertainty by Koller, S B, Grotti, J, Vogt, St, Al-Masoudi, A, Dörscher, S, Häfner, S, Sterr, U, Lisdat, Ch

“…We present a transportable optical clock (TOC) with ^{87}Sr. Its complete characterization against a stationary lattice clock resulted in a systematic…”
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Hyper-Ramsey spectroscopy of optical clock transitions by Yudin, V. I., Taichenachev, A. V., Oates, C. W., Barber, Z. W., Lemke, N. D., Ludlow, A. D., Sterr, U., Lisdat, Ch, Riehle, F.

“…We present nonstandard optical Ramsey schemes that use pulses individually tailored in duration, phase, and frequency to cancel spurious frequency shifts…”
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Accurate asymptotic ground state potential curves of Cs2 from two-colour photoassociation by VANHAECKE, N, LISDAT, Ch, JAMPENS, B. T, COMPARAT, D, CRUBELLIER, A, PILLET, P

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Inversion analysis of K2 coupled electronic states with the Fourier grid method by LISDAT, Ch, DULIEU, O, KNÖCKEL, H, TIEMANN, E

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Influence of chirped excitation pulses in an optical clock with ultracold calcium atoms by Degenhardt, C., Nazarova, T., Lisdat, C., Stoehr, H., Sterr, U., Riehle, F.

“…We have investigated the influence of frequency chirps of the excitation pulses in a time-domain optical Ramsey-Borde/spl acute/ atom-interferometer used in an…”
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Line shape analysis of two-colour photoassociation spectra on the example of the Cs2 ground state by LISDAT, Ch, VANHAECKE, N, COMPARAT, D, PILLET, P

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Frequency measurements in the b 3Π(0+u) - X 1Σ+g system of K2 by SHERSTOV, I, LIU, S, LISDAT, Ch, SCHNATZ, H, JUNG, S, KNÖCKEL, H, TIEMANN, E

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Tackling the black body shift in a strontium optical lattice clock by Lisdat, Ch, Middelmann, Th, Falke, St, Winfred, J S R Vellore, Riehle, F, Sterr, U

“…We describe our setup of an optical lattice clock with 87 Sr at PTB. In this we plan to measure the black body shift given by the ac-Stark shift from the…”
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Line shape analysis of two-colour photoassociation spectra on the example of the Cs ground state by Lisdat, Ch, Vanhaecke, N., Comparat, D., Pillet, P.

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Accurate asymptotic ground state potential curves of Cs $\mathsf{_2}$ from two-colour photoassociation by Vanhaecke, N., Lisdat, Ch, T?Jampens, B., Comparat, D., Crubellier, A., Pillet, P.

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Optical pumping and modulation techniques with a molecular Ramsey-Bordé interferometer by LISDAT, Ch, FRANK, M, KNOCKEL, H, TIEMANN, E

“…Using the example of a matter-wave interferometer with K2 molecules, we present different methods to simplify the observed interference structures within a…”
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