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Rapid Frequency-Scanned Fiber-Optic Fluorometer Capable of Subnanosecond Lifetime Determinations

  • Indiana University Bloomington

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

A new fluorescence lifetime instrument is described that allows the rapid acquisition of the frequency-response spectrum of a fluorescent sample. The instrument employs for excitation a continuous wave (CW) or mode-locked argon-ion laser and is capable of scanning and acquiring in less than 10 ms the complete frequency-domain spectrum between 250 and 1000 MHz. Following a simple data-analysis scheme, the fluorescence lifetime of the analyte can be easily calculated. Fluorescence lifetimes for several common nanosecond and subnanosecond fiuorophores are determined and shown to agree with previously reported values.

Original languageEnglish
Pages (from-to)3139-3144
Number of pages6
JournalAnalytical Chemistry
Volume58
Issue number14
DOIs
StatePublished - Dec 1986

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