NDLI: Design of a nanoseconds time-resolved fluorometer

Content Provider	IEEE Xplore Digital Library
Author	Moreno-Garcia, E. de la Rosa-Vazquez, J.M. Reyes-Lopez, P.
Copyright Year	2010
Description	Author affiliation: Laboratorio de Láseres. SEPI-ESIME, IPN, Mexico (de la Rosa-Vazquez, J.M.) \|\| Laboratorio de Instrumentación Electrónica, ESFM-IPN, Edificio No.9, U.P. ¿Adolfo López Mateos¿, 07630 México D.F. (Moreno-Garcia, E.; Reyes-Lopez, P.)
Abstract	The development of an instrument to measure time-domain optical signals, produced by induced fluorescence is presented in this work. The instrument consists of two main subsystems: a) an optical one, which includes continuous and pulsed UV light sources, a Czerny-Turner type monochromator and a high sensitivity photo multiplier tube (PMT), and b) a high-speed digitizer designed with a high performance digital signal processor (DSP), a high bandwidth analog to digital converter (750 MHz), and a computer. A program running on the DSP applies sequential time-equivalent sampling technique, to resolve time-domain fluorescence signals. The processor communicates with the computer via a standard serial port to receive commands and to transmit data. A control program was developed in the graphical language G of $LabVIEW^{™}$ 7.1 to register and plot the time-resolved fluorescence pulses. The developed instrument is able to resolve 4 ns rise time pulses with 0.5% error and a resolution of 150 ps.
Starting Page	130
Ending Page	135
File Size	467319
Page Count	6
File Format	PDF
ISBN	9781424453528
DOI	10.1109/CONIELECOMP.2010.5440780
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-02-22
Publisher Place	Mexico
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Instruments Fluorescence Time domain analysis High speed optical techniques Optical sensors Digital signal processing Optical pulses Light sources Optical design Signal design
Content Type	Text
Resource Type	Article

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