Coherent anti-Stokes Raman scattering correlation spectroscopy: Probing dynamical processes with chemical selectivity

被引：38

作者：

Cheng, JX ^{[1
]}

Potma, E ^{[1
]}

Xie, SX ^{[1
]}

机构：

[1] Harvard Univ, Dept Chem & Biol Chem, Cambridge, MA 02138 USA

来源：

JOURNAL OF PHYSICAL CHEMISTRY A | 2002年 / 106卷 / 37期

关键词：

D O I：

10.1021/jp025774b

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We report coherent anti-Stokes Raman scattering correlation spectroscopy (CARS-CS) that measures the fluctuation of the CARS signal from scatterers in a subfemtoliter excitation volume. This method probes dynamical processes with chemical selectivity based on vibration spectroscopy. High-sensitivity CARS-CS measurements are carried out with epi-detection or polarization-sensitive detection. Theoretical expressions of CARS intensity autocorrelation functions are derived and supported by experimental data. The properties of CARS-CS are-characterized with measurements of diffusion dynamics of small polystyrene spheres.

引用

页码：8561 / 8568

页数：8

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