SPAD-Array Photoresponse is Increased by a Factor 35 by use of a Microlens Array Concentrator
- RANDONE, ENRICO MARIA
- MARTINI, GIUSEPPE
- FATHI, MOHAMMAD TAGHI
- DONATI, SILVANO
Publication date
January 2009
DOI Publisher
Institute of Electrical and Electronics Engineers (IEEE) Citation count (estimate)
3Abstract
Using an array of 32x32 plano-convex microlenses, fabricated by co-polymer casting in a photoresist replica mold, we have been able to increase the detection sensitivity of a SPAD (Single Photon Avalanche Detector) array of 32x32 pixels, 50-μm pitch, up to a factor of 3
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