NDLI: The Transverse Field Detector: a CMOS active pixel sensor capable of on-line tuning of the spectral response

Content Provider	IEEE Xplore Digital Library
Author	Langfelder, G. Longoni, A. Zaraga, F.
Copyright Year	2009
Description	Author affiliation: Electronics and Information Department, Politecnico di Milano, via Ponzio 34/5, Italy (Langfelder, G.; Longoni, A.; Zaraga, F.)
Abstract	The Transverse Field Detector (TFD) is a CMOS photosensitive device for imaging applications that performs color detection without color filters. Suitably biased surface contacts generate in the Silicon active layer an electric field configuration that drives the carriers generated at different depths to different surface contacts. The TFD avoids the light losses caused by conventional Color Filter Arrays (CFA) on top of a sensor and does not need demosaicing to reconstruct the color at each position. With respect to color pixels based on the use of CFA, the TFD offers the possibility of spectral responses tuning, through a suitable change of the surface electrodes biasing. With respect to color pixels based on the use of stacked junctions the TFD offers the possibility of four-color response. In this work experimental results obtained with first prototypes are discussed showing the color tuning capability. The design, and realization of a first mini matrix of Active Pixel TFD in a 90 nm standard process is presented.
Starting Page	1652
Ending Page	1657
File Size	2267998
Page Count	6
File Format	PDF
ISBN	9781424445486
ISSN	19300395
DOI	10.1109/ICSENS.2009.5398512
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-25
Publisher Place	New Zealand
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Detectors Surface reconstruction Sensor arrays CMOS image sensors Filters Silicon Optical arrays Image reconstruction Electrodes Prototypes
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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