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Proceedings Paper

Novel multi-color image sensors for bio-chemical, bio-medical, and security applications
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Paper Abstract

Detectors (sensor) having detection capability ranging from visible to near-infrared region are very much required for multi-color image sensor, necessary for next generation bio-medical, bio-chem(ical), and security applications. The capability of using broadband detection in a single sensor would help to receive real-time imaging not detectable using today's CCD or CMOS sensor. We proposed a detector structure as a single sensor element (pixel) having the detection capability ranging from visible to 1.7 μm, wavelengths requiring in bio-chem, biomedical cell detection and security application. This invited paper has two-fold objectives: (a) provide a comprehensive overview of conventional photo detectors array (focal-plan array) and their types, being used in today's imaging, and (b) introduce a development of multi-color detector array (image sensor) which authors pioneered. The features of proposed multi-color detector are simple structure, low-cost, high quantum efficiency, high sensitivity, and high speed. Performance results so far attained will be presented along with its possible applications.

Paper Details

Date Published: 17 November 2005
PDF: 15 pages
Proc. SPIE 6008, Nanosensing: Materials and Devices II, 600812 (17 November 2005);
Show Author Affiliations
Achyut K. Dutta, Banpil Photonics, Inc. (United States)
Nibir K. Dhar, U.S. Army Research Lab. (United States)
Priyalal S. Wijewarnasuriya, U.S. Army Research Lab. (United States)
M. Saif Islam, Univ. of California, Davis (United States)

Published in SPIE Proceedings Vol. 6008:
Nanosensing: Materials and Devices II
M. Saif Islam; Achyut K. Dutta, Editor(s)

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