System having a configurable pico-second pulsed LED driver circuit and photomultiplier tube biasing and gating circuits for real-time, time-resolved transient recording of fluorescence

A high intensity, ultra-short LED pulsing driver circuit is developed for use with a system designed to perform real-time time-resolved, transient recording of a fluorescence. Details of the timing circuitry used to pulse the LED and to provide synchronized PMT gating and ADC trigger pulses are also...

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Hauptverfasser:	Roveda Janet M, Fairbanks Jerrie V, Powers Linda S
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS PULSE TECHNIQUE TESTING
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creator	Roveda Janet M Fairbanks Jerrie V Powers Linda S
description	A high intensity, ultra-short LED pulsing driver circuit is developed for use with a system designed to perform real-time time-resolved, transient recording of a fluorescence. Details of the timing circuitry used to pulse the LED and to provide synchronized PMT gating and ADC trigger pulses are also developed. The LED pulses are intended for fluorophores with lifetimes on the order of about 1.6 ns or longer and gating is used to maintain the detector off or partially off during excitation, thereby maximizing the available detector gain without saturation of the detector by the excitation light.
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subjects	BASIC ELECTRONIC CIRCUITRY ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS PULSE TECHNIQUE TESTING
title	System having a configurable pico-second pulsed LED driver circuit and photomultiplier tube biasing and gating circuits for real-time, time-resolved transient recording of fluorescence
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