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Ultrafast transient THz spectroscopy of azobenzene

Esentürk, Okan
Heilweil, E J
Ultrafast optical pump-THz probe experiments conducted to study photo-reactive molecular systems will be presented after a brief methodology overview. Large differences in UV excitation and THz absorption cross-sections make these pump-probe investigations extremely difficult. This study concentrates on transient dynamics of trans-cis-trans isomerization of azobenzene in the liquid and solid phase.