NANOSECOND TIME-RESOLVED SPECTROMETRY WITH A TUNABLE DYE-LASER AND A SIMPLE PULSE-GATED PHOTON COUNTER

被引:18
作者
IMASAKA, T [1 ]
OGAWA, T [1 ]
ISHIBASHI, N [1 ]
机构
[1] KYUSHU UNIV,FAC ENGN,FUKUOKA 812,JAPAN
关键词
D O I
10.1021/ac50040a011
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
The design and construction of a fluorometric system with a nitrogen-laser-pumped dye laser (Δt=4 ns, Δγ=3.5 pm) excitation source and a gated (Δf=4 ns) photon counter signal processor is described. The time resolution of the system is about 5 ns. The system can be applied to the lifetime measurement of nanosecond decays. The system was used for the measurement of time-resolved spectra and for the detection of molecular fluorescence at Aø=5X10-11, where A is the absorbance and ø the fluorescence quantum yield. © 1979, American Chemical Society. All rights reserved.
引用
收藏
页码:502 / 504
页数:3
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