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CMOS Single-Photon Avalanche Diode Array for Time-Resolved Fluorescence Detection

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5 Author(s)
Mosconi, D. ; Centre for Sci. & Technol. Res., ITC-irst, Trento ; Stoppa, D. ; Pancheri, L. ; Gonzo, L.
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A single photon avalanche diode detector for the analysis of fluorescence phenomena is presented. The 14-pixels array, fabricated in a conventional high voltage 0.35-mum CMOS technology, allows measuring photon densities as low as 108 photons/cm2s. Each 180times150-mum2 pixel integrates a single photon avalanche diode combined with an active quenching circuit and a 17-bit digital events counter. On chip master logic provides the digital control phases required by the pixel array with a full programmability of the main timing synchronisms. Time-resolved measurements has been demonstrated by detecting a 10ns, 10pW (peak-power on the pixel) light pulse with a typical resolution of 80ps

Published in:

Solid-State Circuits Conference, 2006. ESSCIRC 2006. Proceedings of the 32nd European

Date of Conference:

Sept. 2006