30 May 1997 Single-photon avalanche detectors for fluorescence imaging applications
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Abstract
Linear arrays of single photon avalanche detectors (SPADs), fabricated using a novel planar process that is compatible with CMOS technology, are presented here. Their suitability for application in fluorescence correlation spectroscopy (FCS) is investigated by examining characteristics such as the dark counting rate, breakdown voltage and quantum efficiency. The problem of optical crosstalk between pixels in the array is investigated and a trench isolation process is proposed to eliminate crosstalk between adjacent pixels in the array.
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Alan P. Morrison, Vasileios S. Sinnis, Laura Varisco, Franco Zappa, Massimo Ghioni, "Single-photon avalanche detectors for fluorescence imaging applications", Proc. SPIE 3105, Chemical, Biochemical and Environmental Fiber Sensors IX, (30 May 1997); doi: 10.1117/12.276142; https://doi.org/10.1117/12.276142
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