TIME-RESOLVED AND WAVELENGTH-RESOLVED SPECTROSCOPY IN 2-PHOTON-EXCITED FLUORESCENCE MICROSCOPY

被引：6
|
作者：
ANDERSSONENGELS, S
ROKAHR, I
CARLSSON, J
机构：
[1] Department of Physics, Lund Institute of Technology, Lund, S-221 00
来源：
JOURNAL OF MICROSCOPY-OXFORD | 1994年 / 176卷
关键词：
FLUORESCENCE MICROSCOPY; 2-PHOTON ABSORPTION; SPECTROSCOPY; FLUORESCENCE SPECTROSCOPY; TIME-RESOLVED SPECTROSCOPY;
D O I：
10.1111/j.1365-2818.1994.tb03515.x
中图分类号：
TH742 [显微镜];
学科分类号：
摘要：
Two-photon excited fluorescence spectroscopy has been performed at a microscopic scale in combination with normal, white-light microscopy. This gave simultaneously a spectral resolution of 20 nm and a temporal resolution of 20 ps, from a volume element less than 5 mu m in all three dimensions. The sample was excited with the light from a continuously mode-locked Ti:sapphire laser that was focused on the sample in a fluorescence microscope. A polychromator and a streak-camera were used for detection. The method has been used on tissue, plant and paper samples. It has also been demonstrated how substances naturally occurring in the samples can be identified from their spectroscopic properties and the spatial distribution of these substances can be observed.
引用
收藏
页码：195 / 203
页数：9
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