Subnanosecond fluorescence‐lifetime measuring system using single photon counting method with mode‐locked laser excitation

A simple fluorescence decay‐time measuring system with single photon counting technique is described which uses, besides an undumped cw mode‐locked laser as an exciting source, a compact side‐on photomultiplier and IC comparators instead of a head‐on photomultiplier and a constant‐fraction discrimin...

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Bibliographic Details
Published in:Review of scientific instruments 1981-04, Vol.52 (4), p.572-575
Main Authors: Kinoshita, Shuichi, Ohta, Hironobu, Kushida, Takashi
Format: Article
Language:English
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Summary:A simple fluorescence decay‐time measuring system with single photon counting technique is described which uses, besides an undumped cw mode‐locked laser as an exciting source, a compact side‐on photomultiplier and IC comparators instead of a head‐on photomultiplier and a constant‐fraction discriminator. This system gives time behavior of fluorescence in the subnanosecond region or less with sufficient accuracy within a time as short as several seconds. The performance of this system is studied and factors to broaden the response time are discussed.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1136628