Stefan Alaric Schäffer

Stefan Alaric Schäffer

Postdoc


  1. Published

    Towards Molecular Clocks Using Large Waist Cavity Enhanced Spectroscopy: FACT workshop

    Adsersen, S. S., Henriksen, M. R., Schäffer, Stefan Alaric & Thomsen, Jan Westenkær, 1 Sep 2015

    Research output: Other contributionResearch

  2. Published

    Optical frequency measurements at 1x10(-18) uncertainty with ytterbium optical lattice clocks

    Ludlow, A. D., McGrew, W. F., Zhang, X., Nicolodi, D., Fasano, R. J., Schäffer, Stefan Alaric, Brown, R. C., Fox, R. W., Hinkley, N., Yoon, T. H. & Beloy, K., 8 Jul 2018, 2018 Conference on Precision Electromagnetic Measurements (CPEM). Paris, France: IEEE

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  3. Published

    Progress on optical- clock-based time scale at NIST: Simulations and preliminary real-data analysis

    Yao, J., Sherman, J., Fortier, T., Leopardi, H., Parker, T., Levine, J., Savory, J., Romisch, S., McGrew, W., Zhang, X., Nicolodi, D., Fasano, R., Schäffer, Stefan Alaric, Beloy, K. & Ludlow, A., 19 Sep 2018, In: Navigation. 248, p. 1-8

    Research output: Contribution to journalConference articleResearchpeer-review

  4. Published

    Faraday-Shielded dc Stark-Shift-Free Optical Lattice Clock

    Beloy, K., Zhang, X., McGrew, W. F., Hinkley, N., Yoon, T. H., Nicolodi, D., Fasano, R. J., Schäffer, Stefan Alaric, Brown, R. C. & Ludlow, A. D., 2 May 2018, In: Physical Review Letters. 120, 18, 5 p., 183201.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Optical-Clock-Based Time Scale

    Yao, J., Sherman, J. A., Fortier, T., Leopardi, H., Parker, T. E., McGrew, W., Zhang, X., Nicolodi, D., Fasano, R., Schäffer, Stefan Alaric, Beloy, K., Savory, J., Romisch, S., Oates, C., Diddams, S., Ludlow, A. D. & Levine, J., 30 Oct 2019, In: Physical Review Applied. 12, 4, 10 p., 044069.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Towards the optical second: verifying optical clocks at the SI limit

    McGrew, W. F., Zhang, X., Leopardi, H., Fasano, R. J., Nicolodi, D., Beloy, K., Yao, J., Sherman, J. A., Schäffer, Stefan Alaric, Savory, J., Brown, R. C., Romisch, S., Oates, C. W., Parker, T. E., Fortier, T. M. & Ludlow, A. D., 20 Apr 2019, In: Optica. 6, 4, p. 448-454

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Incorporating an Optical Clock into a Time Scale at NIST: Simulations and Preliminary Real-Data Analysis

    Sherman, J., Fortier, T., Yao, J., Parker, J., Levine, T., Savory, J., Romisch, S., McGrew, W., Zhang, X., Nicolodi, D., Fasano, R., Schäffer, Stefan Alaric, Beloy, K. & Ludlow, A., 29 Jan 2018, Proceedings of the 49th Annual Precise Time and Time Interval Systems and Applications Meeting. Reston, Virginia : Wiley, p. 11-21

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  8. Published

    Towards passive and active laser stabilization using cavity-enhanced atomic interaction

    Schäffer, Stefan Alaric, Christensen, B. T. R., Rathmann, S. M., Appel, Martin Hayhurst, Henriksen, M. R. & Thomsen, Jan Westenkær, 19 Jun 2017, In: Journal of Physics - Conference Series. 810, 1, 7 p., 012002.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Dynamics of bad-cavity-enhanced interaction with cold Sr atoms for laser stabilization

    Schäffer, Stefan Alaric, Christensen, B. T. R., Henriksen, M. R. & Thomsen, Jan Westenkær, 24 Jul 2017, In: Physical Review A. 96, 1, 013847.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    AEDGE: Atomic Experiment for Dark Matter and Gravity Exploration in Space

    El-Neaj, Y. A., Alpigiani, C., Amairi-Pyka, S., Araujo, H., Balaz, A., Belic, A., Bentine, E., Bernabeu, J., Bingham, R., Bolpasi, V., Bowden, W., Buchmueller, O., Burrage, C., Calmet, X., Canuel, B., Charmandaris, V., Chen, X., Coleman, J., Cotter, J., Cui, Y. & 69 others, Derevianko, A., De Roeck, A., Drougkakis, I., Dutan, I., Elertas, G., Ellis, J., El Sawy, M., Fassi, F., Felea, D., Feng, C., Flack, R., Foot, C., Fuentes, I., Gaaloul, N., Gauguet, A., Geiger, R., Gibson, V., Giudice, G., Goldwin, J., Grachov, O., Graham, P. W., Grasso, D., Van der Grinten, M., Guendogan, M., Haehnelt, M. G., Harte, T., Hees, A., Hobson, R., Hogan, J., Holst, B., Holynski, M., Kasevich, M., Kavanagh, B. J., Von Klitzing, W., Kovachy, T., Krikler, B., Krutzik, M., Lewicki, M., Lien, Y., Liu, M., Luciano, G. G., Pandey, S., Paternostro, M., Penning, B., Peters, A., Prevedelli, M., Puthiya-Veettil, V., Quenby, J., Rasel, E., Roura, A., Sabulsky, D., Sameed, M., Sauer, B., Schäffer, Stefan Alaric, Schiller, S., Schkolnik, V., Schlippert, D., Schubert, C., Sfar, H. R., Shayeghi, A., Soares-Santos, M., Vasilakis, G., Vaskonen, V., Vogt, C., Webber-Date, A., Windpassinger, P., Woltmann, M., Yazgan, E. & Zupan, J., 4 Mar 2020, In: EPJ Quantum Technology. 7, 1, 27 p., 6.

    Research output: Contribution to journalJournal articleResearchpeer-review

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ID: 143261181