Suppression of perturbed free-induction decay and noise in experimental ultrafast pump-probe data

Abstract : We apply a Fourier filtering technique for the global removal of coherent contributions, like perturbed freeinduction decay, and noise, to experimental pump-probe spectra. A further filtering scheme gains access to spectra otherwise only recordable by scanning the probe's center frequency with adjustable spectral resolution. These methods cleanse pump-probe data and allow improved visualization and simpler analysis of the contained dynamics. We demonstrate these filters using visible pump/mid-infrared probe spectroscopy of ligand dissociation in carboxyhemoglobin. Cop. 2009 Optical Society of America.
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Patrick Nuernberger, Kevin Lee, Adeline Bonvalet, Thomas Polack, Marten Vos, et al.. Suppression of perturbed free-induction decay and noise in experimental ultrafast pump-probe data. Optics Letters, Optical Society of America, 2009, 34 (20), pp.3226-3228. ⟨10.1364/OL.34.003226⟩. ⟨hal-00818494⟩

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