Single-shot two-dimensional infrared spectroscopy

被引：25
|
作者：
DeCamp, Matthew F. [1 ]
DeFlores, Lauren P.
Jones, Kevin C.
Tokmakoff, Andrei
机构：
[1] MIT, Dept Chem, Cambridge, MA 02139 USA
[2] Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA
来源：
OPTICS EXPRESS | 2007年 / 15卷 / 01期
关键词：
D O I：
10.1364/OE.15.000233
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Multidimensional infrared spectroscopy is a robust tool for studying the structural dynamics of molecules. In particular, two-dimensional infrared (2DIR) spectroscopy can reveal vibrational coupling among the internal modes of molecules, uncovering the transient structure of complex systems. While spectroscopically very powerful, current experimental techniques are time consuming to perform, requiring similar to 10(6) laser shots for a single 2DIR spectrum. In this work, we demonstrate a new technique that can acquire a full 2DIR correlation spectrum using a single ultrafast laser pulse. This apparatus will allow 2DIR spectroscopy to be extended to systems that were unattainable with previous technology, including, irreversible chemical reactions, rapid flow experiments, or with low repetition rate laser systems. (c) 2007 Optical Society of America.
引用
收藏
页码：233 / 241
页数：9
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