Dr. Simon Spelthann

Dr. Simon Spelthann
Address
Callinstraße 36
30167 Hannover
Building
Room
234
Dr. Simon Spelthann
Address
Callinstraße 36
30167 Hannover
Building
Room
234
Position
Research Staff
Laser Components and Fibres

Fields of interest

  • Excited state dynamics and spectroscopy of lanthanide-doped nanocrystals
  • Numerical optimisation of (nano-)photonic systems, e.g. nanocrystals or specialty glas fibres
  • Ratiometric nanothermometry for temperature measurement in harsh environments and at the nanoscale

Curriculum Vitae

  • Career

    since 07/2023
    Research Associate (PostDoc)
    Leibniz University Hannover, Institut of Quantum Optics
    Fibers and Nanomaterials.

    11/2021-06/2023
    Research Associate
    Leibniz University Hannover, Institute of Quantum Optics
    Lanthanide-doped Nanocrystals.

    08/2020-10/2021
    Research Associate
    Laser Zentrum Hannover e.V., Ultrafast Photonics Group
    Development of Ytterbium- and Thulium-doped, fiber-based ultra short pulse amplifiers.

    05/2017-07/2020
    Research Associate
    Leibniz University Hannover, Institut of Quantum Optics
    Joint project LAPOF: Design, Manufacturing and Characterization of Laser Active Polymer Fibers.

  • Education

    2017-2023
    PhD Physics at Leibniz University Hannover, Faculty for Mathematics and Physics
    Numerical and spectroscopic investigations on the emission dynamics of rare-earth doped nanocrystals.

    2014-2017
    M. Sc. Photonics at University of Applied Science Munster
    Master thesis "Investigations on the Spectral Emission Bandwidth of a Fiber-based Optical Parametric Oscillator" conducted at AG Optical Technologies, Prof. Carsten Fallnich, WWU Munster.

    2012-2015
    B. Sc. Industrial Engineering at University of Applied Science Munster
    Bachelor thesis "Laserheating of Carbon Modifications" conducted at physics lab in the physics engineering faculty of University of Applied Science Munster.

    2011-2014
    B. Sc. Lasertechnology at University of Applied Science Munster
    Bachelor thesis "Cer-doped Yttrium-Aluminium-Garnet - A Transparent Phosphor for a Laser-based Light Source in Automotive Headlights" conducted at L-Lab of Hella KGaA Hueck & Co.

  • Funding and prizes

    since 01/2024
    Leibniz Young Investigator Grant ENDOIMPRINT
    Funding from Leibniz University Hannover for talented Postdocs; Development of a multicore fibre with capillary for additive manufacturing using minimally invasive fibre endoscopes; One-year project with 100 kEUR funding incl. one PhD student and one student assistant.

  • Memberships

    since 02/2023
    Member in Cluster of Excellence PhoenixD

    since 12/2022
    Member in Cluster of Excellence Quantum Frontiers
    Topical Groups: Single Photons and Structured Illumination at the Nanoscale.