In situ determination of fluorescence lifetimes via inverse Raman scattering

被引:9
作者
An, QR [1 ]
Zinth, W [1 ]
Gilch, P [1 ]
机构
[1] Univ Munich, Sekt Phys, D-80538 Munich, Germany
关键词
time-resolved fluorescence spectroscopy; femtosecond laser pulses; inverse Raman scattering;
D O I
10.1016/S0030-4018(01)01718-7
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A novel pump-probe technique to determine fluorescence lifetimes in the femtosecond regime is presented. The technique is based on the inverse Raman process. The fluorescence intensity of a fluorophore at the time of the probing process is monitored at the anti-Stokes frequency (with respect to the probe frequency) of a Raman active mode of the solvent. When the fluorescence light and probe pulse overlap in time a reduction of the fluorescence intensity is observed. The reduction changes with the pump-probe delay and yields the (single-wavelength) fluorescence decay profile. (C) 2002 Published by Elsevier Science B.V.
引用
收藏
页码:209 / 216
页数:8
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