Article Dans Une Revue EPA Newsletter Année : 2001

Two-dimensional transient absorption spectroscopy using a streak camera for detection and singular value decomposition for data analysis

Résumé

A setup in which a streak camera is used to perform nanosecond time-resolved optical absorption spectroscopy is described. The system provides spectral and temporal information in a single measurement. The time resolution ranges from 2 nanoseconds to several milliseconds, making possible the study of many different processes that occur in molecular systems upon photo-excitation, e.g. singlet-to-triplet intersystem crossing or energy transfer. A simple analysis method for the spectrotemporally resolved absorption data is proposed. This method is based on principal components analysis through singular value decomposition (SVD).

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hal-01206563 , version 1 (29-09-2015)

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  • HAL Id : hal-01206563 , version 1

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Mattijs Koeberg, Martinus H. V. Werts, Hendrik J. van Ramesdonk, Jan W. Verhoeven. Two-dimensional transient absorption spectroscopy using a streak camera for detection and singular value decomposition for data analysis. EPA Newsletter, 2001, 71, pp.21-34. ⟨hal-01206563⟩

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