Time-resolved surface 2nd harmonic generation for liquid-liquid interfaces
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University of Geneva 30 quai Ernest-Ansermet CH-1211 Geneva 4 | Marina Fedoseeva Tel +41 22 379 65 36 M ar in a. Fe do se ev a@ un ig e. ch | |
Setup / Configuration | Literature | |
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The left/top image shows the sample part of the setup. The right/bottom image shows the experimental cell with the two immiscible liquids, the lower phase containing the absorbing molecules. The pump pulses come from the top at different time delays with respect to the probe pulses. The measured SHG time profiles reflect the excited-state population dynamics of molecular probes located at the interface. Polarization-dependent measurements, allowing the determination of the molecules at the interface, can also be done. |