Journal Article

FZJ-2014-05325

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png CMOS Imager With 1024 SPADs and TDCs for Single-Photon Timing and 3-D Time-of-Flight

Villa, F. (Corresponding Author) ; Lussana, R. ; Bronzi, D. ; Tisa, S. ; Tosi, A. ; Zappa, F. ; Dalla Mora, A. ; Contini, D. ; Durini, D.FZJ* ; Weyers, S. ; Brockherde, W.

2014
IEEE New York, NY

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Please use a persistent id in citations: doi:10.1109/JSTQE.2014.2342197

Abstract: We present a CMOS imager consisting of 32 × 32 smart pixels, each one able to detect single photons in the 300 – 900 nm wavelength range and to perform both photon-counting and photon-timing operations on very fast optical events with faint intensities. In photon-counting mode, the imager provides photonnumber (i.e., intensity) resolvedmovies of the scene under observation, up to 100 000 frames/s. In photon-timing, the imager provides photon arrival times with 312 ps resolution. The result are videos with either time-resolved (e.g., fluorescence) maps of a sample, or 3-D depth-resolvedmaps of a target scene. The imager is fabricated in a cost-effective 0.35-μmCMOStechnology, automotive certified. Each pixel consists of a single-photon avalanche diode with 30 μm photoactive diameter, coupled to an in-pixel 10-bit time-to-digital converter with 320-ns full-scale range, an INL of 10% LSB and a DNL of 2% LSB. The chip operates in global shutter mode, with full frame times down to 10 μs and just 1-ns conversion time. The reconfigurable imager design enables a broad set of applications, like time-resolved spectroscopy, fluorescence lifetime imaging, diffusive optical tomography, molecular imaging, time-of-flight 3-D ranging and atmospheric layer sensing through LIDAR.

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Contributing Institute(s):

1. Zentralinstitut für Elektronik (ZEA-2)

Research Program(s):

1. 434 - Optics and Photonics (POF2-434) (POF2-434)
2. 433 - Process Development (POF2-433) (POF2-433)
3. 541 - Photons (POF2-541) (POF2-541)
4. 631 - Terrestrial Vehicles (POF2-631) (POF2-631)

Appears in the scientific report 2014

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Database coverage:
; Current Contents - Engineering, Computing and Technology ; Current Contents - Physical, Chemical and Earth Sciences ; IF < 5 ; JCR ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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