Abstract
We present a digital instrumentation method of time-correlated single-photon counting (TCSPC). The pulsed signal of a single-photon sensitive photodetector is digitized by a high-speed analog-to-digital converter and digitally processed for determination of the photon detection times. We found that our digitally implemented TCSPC (dTCSPC) provides a smart way of discriminating valid photon pulses for the reliable measurement of fluorescence lifetimes and time-resolved spectroscopy.
© 2020 Optical Society of America
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