NDLI: A fast, high resolution CMOS imager for nanosecond light pulse detections

Content Provider	IEEE Xplore Digital Library
Author	Casadei, B. Le Normand, J.P. Hu, Y.
Copyright Year	2004
Description	Author affiliation: IN2P3, Univ. Louis Pasteur, France (Casadei, B.; Le Normand, J.P.; Hu, Y.)
Abstract	In this paper, we present design and characterisation of a fast CMOS APS (active pixel sensor) imager for high-speed laser detection, which can replace streak cameras. It produces the intensity information as a function of one spatial dimension and time (I=f (x, t)) from a two spatial dimensions frame. The time information is obtained for the first prototype camera by delaying successively the integration phase for each pixel of the same row. The different noise sources of the APS sensors; such as shot noise due to the photo sensor, thermal noise and flicker noise due to the readout transistors, and the photon shot noise, are presented in order to determine the fundamental limits of the image sensor. The first prototype FAMOSI (fast MOS imager) consists of 64/spl times/64 active pixels. The simulation and experimental results show that a conversion gain of 6.73/spl plusmn/0.25 /spl mu/V/e has been obtained with a noise level of 87/spl plusmn/ 3 electrons rms. The power consumption of the chip is 25 mW at 50 frames/sec. The time resolution is 0.8 ns for this new concept of camera.
Starting Page	1995
Ending Page	1998
File Size	862156
Page Count	4
File Format	PDF
ISBN	078038511X
DOI	10.1109/ICSICT.2004.1435231
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-10-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image resolution 1f noise CMOS image sensors Cameras Image sensors Pixel Prototypes Thermal sensors Spatial resolution Optical design
Content Type	Text
Resource Type	Article

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