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Photosynthetic light-harvesting by carotenoids: detection of an intermediate excited state

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6 Author(s)
G. Cerullo ; Nat. Lab. for Ultrafast & Ultraintense Opt. Sci., INFM, Milan, Italy ; D. Polli ; G. Lanzani ; S. De Silvestri
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This paper studies all-trans-β-carotene in cyclohexane solution, excited by 15-fs blue pulses (510 nm), resonant with the S0 → S2 transition. The temporal evolution of differential transmission is probed using sub-10-fs visible pulses (500-700 nm) and 12-fs near-IR pulses (820-1020 nm). Pump and probe pulses are derived from two independent non-collinear optical parametric amplifiers.

Published in:

Quantum Electronics Conference, 2003. EQEC '03. European

Date of Conference:

22-27 June 2003