A Nanosecond Laser Fluorimeter

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A method for determining the fluorescence decay times in the range 1–10 ns using a nanosecond laser fluorimeter is described. The fluorimeter has the following performance characteristics: a width of exciting pulses of 10 ns, a width of gate pulses of 10 ns, and a step of gate-pulse displacement of 2.5 ns. It is shown that this instrument allows determination of fluorescence decay times with an accuracy of 1–1.5 ns.

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