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Laser Spectroscopy Probing of Excitation and Coherence Dynamics

Laser Spectroscopy Probing of Excitation and Coherence Dynamics
激发和相干动力学的激光光谱探测
批准号:
8821914
负责人:
Ahmed Zewail
金额:
$52.66万
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1989
资助国家:
美国
项目状态:
已结题
起止时间:
1989-05-01 至 1992-04-30

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中文摘要
翻译
为了继续他们在激光光谱探测方面的努力, 激发和相干过程,他们建议使用这个 续发补助金,以进行以下领域的研究: 电子和激发转移的超短时间动力学 凝聚介质中的模型系统;(B)选择性脉冲激发 研究连贯性和松弛过程;以及 (c)微观溶剂化的激光光谱学研究 聚类 他们将在这项研究中使用的技术 (已经在他们的实验室中使用)是皮秒, 飞秒光谱学,多脉冲光激发,激光 方法和多光子(TOF和PES)检测方法。 他们的 目标是应用(和修改)这些技术来学习 关于能量弛豫、溶剂化和相干的动力学 在压缩介质中,并检查皮秒和飞秒 经历(微观)溶剂化的分子动力学, 集群形成
英文摘要
In continuation of their efforts on laser spectroscopy probing of excitation and coherence processes, they propose to use this renewal grant to undertake research in the following areas: (a) ultrashort time dynamics of electron and excitation transfer in model systems in condensed media; (b) selective-pulse excitation for the invesitgation of coherence and relaxation processes; and (c) laser spectroscopy studies of microscopic solvation and clustering. The techniques that they shall use in this research (which are already used in their laboratory) are picosecond and femtosecond spectroscopy, multiple pulse optical excitation methods, and multiphoton (TOF and PES) detection methods. Their objectives are to apply (and modify) these techniques to learn about the dynamics of energy relaxation, solvation, and coherence in condensed media, and to examine the picosecond and femtosecond dynamics of molecules undergoing (microscopic) solvation and clustering formation.
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Phase Transitions and Materials Interfaces at the Nanoscale
  • 批准号:
    0964886
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $122.5万
  • 财政年份:
    2010
  • 负责人:
    Ahmed Zewail
  • 依托单位:
Structures and Dynamics at Interfaces
  • 批准号:
    0549936
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $100.0万
  • 财政年份:
    2006
  • 负责人:
    Ahmed Zewail
  • 依托单位:
Dynamics of Nanostructures: Clusters, Polymers, and Surfaces
  • 批准号:
    0504854
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $75.0万
  • 财政年份:
    2005
  • 负责人:
    Ahmed Zewail
  • 依托单位:
Femtosecond Dynamics of IVR and Reactivity in Complex Systems
  • 批准号:
    0096400
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $132.4万
  • 财政年份:
    2001
  • 负责人:
    Ahmed Zewail
  • 依托单位:
海外基金