Digital back off for computer controlled flash spectrometers

Frank S. Davis, Gregory A. Nemeth, Dennis M. Anjo, Lewis R. Makings, Devens Gust, Thomas A. Moore

Research output: Contribution to journalArticlepeer-review

33 Citations (Scopus)


A digital software-controlled back-off system for probe lamp dc signal nullification has been designed and incorporated into a laser flash photolysis spectrometer. This method takes advantage of modern high-speed operational amplifiers already employed in the detection circuitry and the dedicated small computer that runs the spectrometer. The determination of I0, necessary for absorbance calculations, is inherent in the method.

Original languageEnglish
Pages (from-to)1629-1631
Number of pages3
JournalReview of Scientific Instruments
Issue number9
Publication statusPublished - 1987

ASJC Scopus subject areas

  • Instrumentation

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