Laser Laboratory for Trace Analysis and Precision Measurements

Florian Ritterbusch

Associate Scientist

University of Science and Technology of China
Huangshan Rd. 443
Hefei, Anhui 230026, China
Phone: +86-551-63607562
Email: florian@ustc.edu.cn

Atom Trap Trace Analysis of rare krypton and argon isotopes for applications in environmental systems such as dating of water and ice.

Degrees attained

Employment history

Selected Publications

• A Tibetan ice core covering the past 1,300 years radiometrically dated with ³⁹Ar

  F. Ritterbusch, L. Tian, A-M. Tong, J.-Q. Gu, W. Jiang, Z.-T. Lu, L. Shao, M.-X. Tang, G.-M. Yang, M.-J. Zhang, and L. Zhao

  Proceedings of the National Academy of Sciences 119, e2200835119 (2022)

• Estimation of the Ventilation Transit Time Distribution at the Yap-Mariana Junction Using ³⁹Ar, ⁸⁵Kr and ¹⁴C Tracers

  J.-Q. Gu, W. Jiang^*, A.L. Tong, G.-M. Yang, X.-Z. Dong, Florian Ritterbusch, F. Wang, J.-N. Wang
  JGR Oceans 127, 7, e2022JC018417(2022)

• Optically enhanced discharge excitation and trapping of ³⁹Ar

  Y.-Q. Chu, Z.-F. Wan, F. Ritterbusch^*, W.-K. Hu, J.-Q. Gu, S.-M. Hu, Z.-H. Jia, W. Jiang, Z.-T. Lu^*, L.-T. Sun, A.-M. Tong, J. S. Wang, and G.-M. Yang
  Phys. Rev. A 105, 063108(2022)

• ⁸¹Kr reveals one-million-year-old groundwater at the Atlantic coast of Argentina as a record of Mid-Pleistocene climate

  D.E. Martínez^*, W. Jiang^*, T. Matsumoto, O.M. Quiroz Londoño, F. Ritterbusch, C. Lexow, G.M. Yang, L. Bertolín, J. Mabry, N. Romeo, M. Zárate, Z.-T. Lu
  Journal of Hydrology 610, 127846 (2022)

• Generation of metastable krypton using a 124-nm laser

  X.-Z. Dong, F. Ritterbusch^*, D.-F. Yuan, J.-W. Yan, W.-T. Chen, W. Jiang, Z.-T. Lu^*, J. S. Wang, X.-A. Wang^*, and G.-M. Yang
  Phys. Rev. A 105, L031101 (2022)

• Reconstruction of the atmospheric ³⁹Ar/Ar history

  J.-Q. Gu, A.L. Tong, G.-M. Yang, S.-M. Hu, W. Jiang^*, Z.-T. Lu, R. Purtschert, F. Ritterbusch
  Chemical Geology 583, 120480 (2021)

• An extension of the TALDICE ice core age scale reaching back to MIS 10.1

  I. Crotti^*, A. Landais, B. Stenni, L. Bazin, F. Parrenin, M. Frezzotti, F. Ritterbusch, Z.-T. Lu, W. Jiang, G.-M. Yang, E. Fourré, A. Orsi, R. Jacob, B. Minster, F. Prié, G. Dreossi, C. Barbante
  Quaternary Science Reviews 266, 107078 (2021)

• Optical Excitation and Trapping of ⁸¹Kr

  J. S. Wang, F. Ritterbusch^*, X.-Z. Dong, C. Gao, H. Li, W. Jiang, S.-Y. Liu, Z.-T. Lu^*, W.-H. Wang, G.-M. Yang, Y.-S. Zhang, and Z.-Y. Zhang
  Phys. Rev. Lett. 127, 023201 (2021)

• An atom trap system for ³⁹Ar dating with improved precision

  Amin L. Tong, Ji-Qiang Gu, Guo-Min Yang, Shui-Ming Hu, Wei Jiang^*, Zheng-Tian Lu^*, and F. Ritterbusch
  Review of Scientific Instruments 92, 063204 (2021)

• Enhancement of the ⁸¹Kr and ⁸⁵Kr count rates by optical pumping

  Z.-Y. Zhang, F. Ritterbusch^*, W.-K. Hu, X.-Z. Dong, C. Y. Gao, W. Jiang, S.-Y. Liu, Z.-T. Lu^*, J. S. Wang, and G.-M. Yang
  Phys. Rev. A 101, 053429 (2020)

• Dual Separation of Krypton and Argon from Environmental Samples for Radioisotope Dating

  X.-Z. Dong, F. Ritterbusch^*, Y.-Q. Chu, J.-Q. Gu, S.-M. Hu, W. Jiang, Z.-T. Lu^*, G.-M. Yang, and L. Zhao
  Anal. Chem.91, 21, 13576-13581 (2019)

• ⁸¹Kr Dating at the Guliya Ice Cap, Tibetan Plateau

  L. Tian^*, F. Ritterbusch, J.‐Q. Gu, S.‐M. Hu, W. Jiang, Z.‐T. Lu^*, D. Wang, and G.‐M. Yang
  Geophysical Research Letters,(2019)

• Bichromatic force on metastable argon for atom-trap trace analysis

  Z. Feng^*, S. Ebser, L. Ringena, F. Ritterbusch, and M. K. Oberthaler.
  Phys. Rev. A 96, (2017)

• Groundwater dating with Atom Trap Trace Analysis of ³⁹Ar

  F. Ritterbusch^*, S. Ebser, J. Welte, T. Reichel, A. Kersting, R. Purtschert, W. Aeschbach-Hertig, and M. K. Oberthaler.
  Geophysical Research Letters, (2014)

• Hyperfine spectroscopy of the 1s₅ - 2p₉ transition of ³⁹Ar

  J. Welte^*, I. Steinke, M. Henrich, F. Ritterbusch, M. K. Oberthaler, W. Aeschbach-Hertig, W. H. Schwarz, and M. Trieloff.
  Review of Scientific Instruments 80(11), 113109 (2009)