TITLE

Femtosecond transient fluorescence spectrometer based on parametric amplification

AUTHOR(S)
Fita, Piotr; Stepanenko, Yuriy; Radzewicz, Czeslaw
PUB. DATE
January 2005
SOURCE
Applied Physics Letters;1/10/2005, Vol. 86 Issue 2, p021909
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report an experimental proof-of-principle of a method for recording femtosecond, time-resolved fluorescence spectra in the visible range. The method is based on a noncollinear parametric amplification in a beta barium borate crystal and provides time resolution of the order of 100 fs. We demonstrate that with this method, transient fluorescence spectra as wide as 6000 cm-1 can be recorded in a single time-delay scan. Fluorescence decay dynamics and transient spectra of Coumarin 6 dye dissolved in aniline were measured to test the usefulness of the method.
ACCESSION #
15644138

 

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