Stefan Alaric Schäffer

Stefan Alaric Schäffer

Postdoc

ORCID: 0000-0002-5296-0332

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  1. 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 journal › Conference article › Research › peer-review

  2. 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 journal › Journal article › Research › peer-review

  3. Published

    Det aktive atomur - en laser i sin reneste form

    Tang, M. & Schäffer, Stefan Alaric, 1 Dec 2018, In: Kvant. 4, p. 20-23

    Research output: Contribution to journal › Journal article › Communication

  4. Published

    Prospects of a superradiant laser based on a thermal or guided beam of 88Sr

    Tang, M., Schäffer, Stefan Alaric & Müller, Jörg Helge, 9 Dec 2022, In: Physical Review A. 106, 6, 10 p., 063704.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. 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 proceeding › Article in proceedings › Research › peer-review

  6. 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 journal › Journal article › Research › peer-review

  7. Published

    Lasing on a narrow transition in a cold thermal strontium ensemble

    Schäffer, Stefan Alaric, Tang, M., Henriksen, M. R., Jørgensen, Asbjørn Arvad, Christensen, B. T. R. & Thomsen, Jan Westenkær, 17 Jan 2020, In: Physical Review A. 101, 1, 9 p., 013819.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    Large waist cavity for ultra-narrow transition spectroscopy

    Schäffer, Stefan Alaric, Adsersen, S. S., Christensen, B. T. R. & Thomsen, Jan Westenkær, 12 Apr 2015, 2015 Joint Conference of the IEEE International Frequency Control Symposium & the European Frequency and Time Forum . IEEE ed. Denver,CO, p. 625-629 15285778. (IEEE International Frequency Control Symposium & the European Frequency and Time Forum; No. 15285778).

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  9. Published

    Cavity-enhanced optical clocks

    Schäffer, Stefan Alaric, 2019, Niels Bohr Institute, Faculty of Science, University of Copenhagen.

    Research output: Book/Report › Ph.D. thesis › Research

  10. 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 journal › Journal article › Research › peer-review

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