The Integrated Photon Echo and Solvation Dynamics

• DOI: 10.1021/jp9601983
• Publication Date: 2002-07-26T04:43:48Z
• Authors: Minhaeng Cho; Jae-Young Yu; Taiha Joo; Yutaka Nagasawa; Sean A. Passino; Graham R. Fleming
• Keywords: Echo (communications protocol); Stokes shift; SIGNAL (programming language); Line (geometry)

The time-integrated three-pulse photon echo is discussed in terms of the line-shape functions which are shown to be directly related solvation dynamics. By using short-time approximation function, an algebraic form signal SPE (τ, T) obtained as a function two delay times, τ and T, between pulses. On basis approximate signal, peak shift with respect second time (population evolution period) derived found linearly proportional time-dependent fluorescence Stokes for times greater than bath correlation time, τc. In case intermediate inhomogeneous broadening, asymptotic magnitude useful estimating static width. To illustrate theoretical results, analysis measurement IR144 room temperature glass, PMMA, presented.