Optimization and selection of time-frequency transforms for wave-packet analysis in ultrafast spectroscopy

被引：12

作者：

Volpato, Andrea ^{[1
]}

Collini, Elisabetta ^{[1
]}

机构：

[1] Univ Padua, Dept Chem Sci, Via Marzolo 1, I-35131 Padua, Italy

来源：

OPTICS EXPRESS | 2019年 / 27卷 / 03期

基金：

欧盟地平线“2020”; 欧洲研究理事会;

关键词：

ELECTRONIC SPECTROSCOPY; GLOBAL ANALYSIS; DYNAMICS; COHERENCE; SIGNALS;

D O I：

10.1364/OE.27.002975

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The analysis of quantum beats in time-resolved spectroscopic signals is becoming a task of primary importance because it is now clear that they bring crucial information about chemical reactivity, transport, and relaxation processes. Here we describe how to exploit the wide family of time-frequency transform methodologies to obtain information not only about the frequency but also about the dynamics of the oscillating components contributing to the overall beating signal. Several linear and bilinear transforms have been considered, and a general and easy procedure to judge in a non-arbitrary way the performances of different transforms has been outlined. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：2975 / 2987

页数：13

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