Title :
2-D CMOS based image sensor system for fluorescent detection
Author :
Ardeshirpour, Yasaman ; Deen, M. Jaml ; Shirani, Shahram
Author_Institution :
Electr. & Comput. Eng. Dept., McMaster Univ., Hamilton, Ont., Canada
Abstract :
In this project, we have been investigating methods to enhance the quality of CMOS-based image sensors for fluorescent detection of DNA microarrays. For this purpose, different types of photodiodes and phototransistors were designed in two different technologies, standard CMOS 0.35 μm and 0.18 μm technologies. Also complete blocks of image sensors with photodiodes and phototransistors were designed to investigate the response of an entire image system. Each block consist of a matrix of image sensors with an amplifier in each pixel, column amplifiers and sample and hold circuits. The paper discusses in detail each component of the optical image sensors.
Keywords :
CMOS image sensors; DNA; biomedical imaging; optical sensors; photodetectors; phototransistors; sample and hold circuits; silicon; 0.18 micron; 0.35 micron; 2D CMOS image sensor; DNA microarrays; column amplifiers; fluorescent detection; image sensor matrix; image system response; optical image sensors; photodiodes; phototransistors; sample and hold circuits; silicon; CMOS image sensors; CMOS technology; Circuits; DNA; Fluorescence; Image sensors; Optical amplifiers; Photodiodes; Phototransistors; Pixel;
Conference_Titel :
Electrical and Computer Engineering, 2004. Canadian Conference on
Print_ISBN :
0-7803-8253-6
DOI :
10.1109/CCECE.2004.1349674
