Apparatus for measuring fluorescence lifetime

Optics: measuring and testing – By dispersed light spectroscopy – With sample excitation

Reexamination Certificate

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C250S458100

Reexamination Certificate

active

10769135

ABSTRACT:
An apparatus for measuring fluorescence lifetime includes a pulse laser source that generates a pulse excitation light, a detector that detects a fluorescence generated from a sample by irradiating the pulse excitation light, and outputs a detection signal corresponding to the fluorescence, a measurement unit that measures number of photons emitted in a predetermined time gate based on the detection signal, a correction unit that corrects the number of photons measured based on Poisson distribution, and a calculation unit that calculates the fluorescence lifetime of the sample based on the number of photons corrected.

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C.J. De Grauw et al; “Multiple Time-Gate Module for Fluorescence Lifetime Imaging”; Applied Spectroscopy; vol. 55, No. 6, 2001; pp. 670-678.
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