Intern
    Wilhelm Conrad Röntgen Research Center for Complex Material Systems

    fs pump-probe Spectroscope

    Femtosecond pump-probe Spectroscope

    Specifications

    • Solstice (Newport Spectra-Physics):
      • fs-oscillator + amplifier
      • pulse duration: < 100 fs
      • repetition rate: 1 kHz
    • Optical parametric amplifier (TOPAS):
      • Lightconversion
      • Emission: 290 - 2600 nm.
    • Transient Absorption Spectrometer (HELIOS):
      • Laser source (wavelength): Ti:sapphire (290-2600 nm)
      • Detection range: 350 - 1600 nm (VIS-NIR)
      • Time window: 150 fs - 8 ns
    • Fluorescence Lifetime Spectrometer (HALCYONE):
      • Fluorescence upconversion:
        - Detection from 320 - 1600 nm
        - Time range of 130 fs up to 4 ns
      • Time Correlated Single Photon Counting (TCSPC):
        - Spectral range from 160 - 900 nm
        - Time resolution of 200 ps - 1 ms

    Click here for a more detailed description of the modules.

    Location

    • Organic Chemistry , LS Lambert

    Publications

    Long-Lived Singlet and Triplet Charge Separated States in Small Cyclophane Bridged Triarylamine-Naphthalene Diimide Dyads
    C. Kaiser, A. Schmiedel, M. Holzapfel, C. Lambert
    J.Phys. Chem. C (2012)