DocumentCode
2534632
Title
SPAD-array photoresponse is increased by a factor 35 by use of a microlens array concentrator
Author
Randone, Enrico ; Martini, Giuseppe ; Fathi, Mohammad ; Donati, Silvano
Author_Institution
Dipt. di Elettron., Univ. di Pavia, Pavia, Italy
fYear
2009
fDate
4-8 Oct. 2009
Firstpage
324
Lastpage
325
Abstract
Using an array of 32times32 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 32times32 pixels, 50-mum pitch, up to a factor of 35.
Keywords
avalanche photodiodes; microlenses; optical arrays; optical fabrication; optical polymers; photoresists; polymer blends; SPAD detection sensitivity; SPAD-array photoresponse; co-polymer casting; photoresist replica mold; plano-convex microlens array concentrator fabrication; single photon avalanche detector array; Casting; Circuits; Detectors; Lenses; Microoptics; Optical arrays; Optical scattering; Resists; Sensor arrays; Shape; (040.00040) Detectors; (040.1240) Arrays; (220.1770) Concentrators;
fLanguage
English
Publisher
ieee
Conference_Titel
LEOS Annual Meeting Conference Proceedings, 2009. LEOS '09. IEEE
Conference_Location
Belek-Antalya
ISSN
1092-8081
Print_ISBN
978-1-4244-3680-4
Electronic_ISBN
1092-8081
Type
conf
DOI
10.1109/LEOS.2009.5343222
Filename
5343222
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