Low-cost gated system for monitoring phosphorescence lifetimes

被引：8

作者：

Kostov, Y ^{[1
]}

Rao, G ^{[1
]}

机构：

[1] Univ Maryland Baltimore Cty, Dept Chem & Biochem Engn, Baltimore, MD 21250 USA

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2003年 / 74卷 / 09期

关键词：

D O I：

10.1063/1.1602933

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A low-cost, gated system for measurements of phosphorescence lifetimes is presented. An extensive description of the system operating principles and metrological characteristics is given. Remarkably, the system operates without optical filtering of the light emitting diode excitation source. A description of a practical system is also given and its performance is discussed. Because the device effectively suppresses high-level background fluorescence and scattered light, it is expected to find widespread application in bioprocess, environmental, and biomedical fields. (C) 2003 American Institute of Physics.

引用

页码：4129 / 4133

页数：5

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