Abstract

We perform time-resolved broadband transmission ellipsometry using the ultrafast pump–probe technique in an original setup. Our setup allows us to measure, over a wide spectral range, the optical rotary dispersion of the sample or, when needed, its circular dichroism by adding a broadband quarter-wave plate. While our experiment has been designed to study the transient states in chiral molecules, it performs sufficiently well to also characterize the ground state.

© 2010 Optical Society of America

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