Abstract
We show, in this paper, the extension of the accumulated echo spectroscopy by the SR1 to the ultraviolet (UV) region. Femtosecond accumulated photon echoes were observed for the S0-S1 transition of an organic molecule (aniline) doped in polyvinyl alcohol (PVA) with the excitation by the SR at 310 nm. Our time resolution of 35 fs permitted successful detection of a phase relaxation time as short as 200 fs at low temperature.
© 1995 IEEE
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