A picosecond time-resolved vibrational circular dichroism spectrometer

被引：27
|
作者：
Bonmarin, Mathias [1 ]
Helbing, Jan [1 ]
机构：
[1] Univ Zurich, Inst Phys Chem, CH-8057 Zurich, Switzerland
来源：
OPTICS LETTERS | 2008年 / 33卷 / 18期
基金：
瑞士国家科学基金会;
关键词：
D O I：
10.1364/OL.33.002086
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present an experimental setup to detect transient vibrational circular dichroism signals. A femtosecond laser system is synchronized to a photoelastic modulator to produce alternating left- and right-handed circularly polarized mid-IR pulses at 1 kHz repetition rate. Transient changes in the circular dichroism of the CH-stretch vibrations of a cobalt-sparteine complex were probed in a proof-of-principle experiment and are clearly distinct from conventional transient absorption changes. (C) 2008 Optical Society of America
引用
收藏
页码：2086 / 2088
页数：3
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