High frame-rate TCSPC-FLIM using a novel SPAD-based image sensor

Imaging techniques based on time-correlated single photon counting (TCSPC), such as fluorescence lifetime imaging microscopy (FLIM), rely on fast single-photon detectors as well as timing electronics in the form of time-to-digital or time-to-analog converters. Conventional systems rely on stand-alone or small arrays (up to 32) of detectors and...

A hierarchically pipelined data acquisition system for single-photon avalanche diode array

SinglePhotonAvalancheDiode(SPAD)is a typeof highly sensitive diode that can detect single photons. It is, there fore, useful for certain applications that need photons ensing capability. A system, consisting of 32x32 SPAD array, with its controller along side on Virtex-IIProFPGA on board, has been being developed and tested to evince its...