超快光谱技术及其在凝聚态物理研究中的应用  

Ultrafast spectroscopy and its application in condensed matter physics

作　　者：赵继民[1] 

机构地区：[1]中国科学院物理研究所,北京100190

出　　处：《物理》2011年第3期184-193,共10页Physics

基　　金：国家自然科学基金(批准号:10704085;10974246);国家重点基础研究发展计划(批准号:2007CB936804)资助项目

摘　　要：近年来备受关注的超快光谱技术拥有诸多特色,例如极高的时间分辨率,丰富的光与物质的非线性相互作用,可以用光子相干地调控物质的量子态,其衍生和嫁接技术带来许多凝聚态物理实验技术的变革等等.文章介绍了超快光谱技术的一般原理、时间分辨的技术实现和典型构型,并通过具体实例来展示该实验手段在凝聚态物理研究中的应用.Ultrafast spectroscopy has drawn great interest recently.Among its advantages are ultrahigh time resolution,wide-ranging nonlinear light-matter interactions,coherent control of quantum states,and the possibility of developing many related technologies.We describe its general principles and the technical realization of time-resolved measurements,including the typical geometries.The significance of ultrafast spectroscopy in the study of condensed matter physics is illustrated through various examples.

关 键 词：超快光谱 时间分辨 抽运-探测 超快动力学 元激发 相干态 

分 类 号：O469[理学—凝聚态物理]