A tunable low-drift laser stabilized to an atomic reference

Tobias Leopold, Lisa Schmöger, Stefanie Feuchtenbeiner, Christian Grebing, Peter Micke, et al., Applied Physics B, 122: 236 (2016). doi:10.1007/s00340-016-6511-z

Deceleration, precooling, and multi-pass stopping of highly charged ions in Be+ Coulomb crystals

Schmöger, L., Schwarz, M., Baumann, T. M., Versolato, O., Piest, B., Pfeifer, T., et al., Review of Scientific Instruments, 86(10): 103111 (2015). doi:10.1063/1.4934245

Identifications of 5s1/2−5p3/2 and 5s2−5s5p EUV transitions of promethium-like Pt, Ir, Os and Re

Bekker, H., Versolato, O. O., Windberger, A., Oreshkina, N., Schupp, R., Baumann, T. M., et al., Journal of Physics B, 48(14): 144018 (2015). doi:10.1088/0953-4075/48/14/144018

Coulomb crystallization of highly charged ions

Schmöger, L., Versolato, O., Schwarz, M., Kohnen, M., Windberger, A., Piest, B., et al., Science, 347(6227), 1233-1236 (2015). doi:10.1126/science.aaa2960

Identification of the Predicted 5s−4f Level Crossing Optical Lines with Applications to Metrology and Searches for the Variation of Fundamental Constants

Windberger, A., Crespo López-Urrutia, J. R., Bekker, H., Oreshkina, N., Berengut, J., Bock, V., et al., Physical Review Letters, 114(15): 150801 (2015). doi:10.1103/PhysRevLett.114.150801

Cryogenic linear Paul trap for cold highly charged ion experiments

Schwarz, M., Versolato, O., Windberger, A., Brunner, F. R., Ballance, T., Eberle, S. N., et al., Review of scientific instruments, 83(8): 083115, pp. 1-10 (2012). doi:

other relevant work:


Efficient rotational cooling of Coulomb-crystallized molecular ions by a helium buffer gas.

Hansen, A. K., Versolato, O., Kłosowski, Ł., Kristensen, S. B., Gingell, A., Schwarz, M., Windberger, A., Ullrich, J., Crespo López-Urrutia, J., & Drewsen, M. (2014), Nature, 508(7494), 76-79. doi:10.1038/nature12996.

Decay Rate Measurement of the First Vibrationally Excited State of MgH+ in a Cryogenic Paul Trap.

Versolato, O., Schwarz, M., Hansen, A. K., Gingell, A. D., Windberger, A., Kłosowski, Ł., Ullrich, J. H., Jensen, F., Crespo López-Urrutia, J. R., & Drewsen, M. (2013). Physical Review Letters, 111(5): 053002. doi:10.1103/PhysRevLett.111.053002.

Emission and Laser Spectroscopy of Trapped Highly Charged Ions in Electron Beam Ion Traps.

Crespo López-Urrutia, J. R., & Harman, Z. (2014). In W. Quint, & M. Vogel (Eds.), Fundamental Physics in Particle Traps (pp. 315-373). Berlin u.a.: Springer.

Coronium in the laboratory: measuring the Fe XIV green coronal line by laser spectroscopy.

Schnorr, K., Mäckel, V., Oreshkina, N., Augustin, S., Brunner, F. R., Harman, Z., Keitel, C. H., Ullrich, J. H., & Crespo López-Urrutia, J. R. (2013). The Astrophysical Journal, Supplement Series, 776(2): 121. doi:10.1088/0004-637X/776/2/121

Laser Spectroscopy on Forbidden Transitions in Trapped Highly Charged Ar13+ Ions.

Mäckel, V., Klawitter, R., Brenner, G., Crespo Lopez-Urrutia, J., & Ullrich, J. H. (2011). Physical Review Letters, 107(14): 143002. doi:10.1103/PhysRevLett.107.143002.

Spectroscopy using quantum logic.

P. O. Schmidt, T. Rosenband, C. Langer, W. M. Itano, J. C. Bergquist, D. J. Wineland, Science 309, 749–752 (2005). doi:10.1126/science.1114375 pmid:16051790