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  1. No Access

    Article

    Towards optimal single-photon sources from polarized microcavities

    An optimal single-photon source should deterministically deliver one, and only one, photon at a time, with no trade-off between the source’s efficiency and the photon indistinguishability. However, all reporte...

    Hui Wang, Yu-Ming He, T.-H. Chung, Hai Hu, Ying Yu, Si Chen, **ng Ding… in Nature Photonics (2019)

  2. Article

    Cruising through molecular bound-state manifolds with radiofrequency

    The production of ultracold molecules with their rich internal structure is currently attracting considerable interest1,2,3,4. For future experiments, it will be important to efficiently transfer these molecules ...

    F. Lang, P. v. d. Straten, B. Brandstätter, G. Thalhammer, K. Winkler… in Nature Physics (2008)

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  3. No Access

    Article

    Nonlinear spectroscopy

    M. Englert, J. Kowalski, F. Mayer, R. Neumann, S. Noehte… in Applied Physics B (1982)

  4. No Access

    Article

    Laser-microwave spectroscopy of lithium ions: 23 S 1 hyperfine structure of7Li+

    The hyperfine structure (hfs) splittings of the metastable 1s2s 3 S 1 state of7Li+ have been measured with combined laser optical pum** and microwave resonance. A lowenergy Li+ ion beam, optically excited by an...

    U. Kötz, J. Kowalski, R. Neumann, S. Noehte… in Zeitschrift für Physik A Atoms and Nuclei (1981)

  5. No Access

    Chapter and Conference Paper

    Laser-Microwave Spectroscopy of Li+ Ions

    The Li+ ion, a two-electron system like He is of fundamental interest as a testing ground for atomic structure theory. This paper reports on combined laser-microwave measurements of hyperfine structure (hfs) spli...

    R. Neumann, J. Kowalski, F. Mayer, S. Noehte, R. Schwarzwald… in Laser Spectroscopy V (1981)

  6. No Access

    Article

    Dye laser saturation spectroscopy of the 23 S 1-23 P transition in6, 7Li+ ions

    The metastable 23 S 1 state and the short lived 23 P states of the helium-like6, 7Li+ ion spectra have been investigated by dye laser saturation spectroscopy in a low-energy Li+ ion-beam and fluorescence light de...

    R. Bayer, J. Kowalski, R. Neumann, S. Noehte… in Zeitschrift für Physik A Atoms and Nuclei (1979)

  7. No Access

    Article

    Two-photon intracavity dye laser spectroscopy of the 4S and 3D term in6, 7Li

    Doppler-free two-photon spectroscopy of several states of6, 7Li has been achieved by placing an atomic beam inside the dye laser cavity. The hyperfine structure splitting of the 4S state, the fine structure split...

    J. Kowalski, R. Neumann, H. Suhr, K. Winkler… in Zeitschrift für Physik A Atoms and Nuclei (1978)

  8. No Access

    Article

    A magnetic tuning system for dye lasers

    A new device for magnetically displacing the output mirror of a laser resonator and synchronously tilting an etalon in order to obtain single-mode tuning of a dye laser over a tuning range of at least 10 GHz i...

    K. Winkler, J. Kowalski in Applied physics (1977)