Modeling and Characterizing Optical CMOS Sensors for Biomedical Low-Intensity Light Detection

被引：4
|
作者：
Kamrani, E. [1 ]
Hamady, M. [1 ]
Lesage, F. [2 ]
Sawan, M. [1 ]
机构：
[1] Polytech Montreal, Dept Elect Engn, Polystim Neurotechnol Lab, Montreal, PQ, Canada
[2] Polytech Montreal, Dept Elect Engn, Opt & Mol Imaging Lab, Montreal, PQ, Canada
来源：
29TH SOUTHERN BIOMEDICAL ENGINEERING CONFERENCE (SBEC 2013) | 2013年
基金：
加拿大健康研究院;
关键词：
D O I：
10.1109/SBEC.2013.50
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
photodiode and avalanche photodiodes (SiAPDs) are addressed to develop a miniaturized near-infrared photosensor with high-sensitivity, low-power and low-noise characteristics using CMOS technology dedicated to biomedical imaging applications. These devices have been characterized and compared using different device simulators include COMSOL, TCAD, MATLAB, Crosslight-APSYS and Silvaco. The impact of simulation and reliability of the simulation results are evaluated by considering the measurement results. The sources of observed discrepancies between simulated and measured characteristics are discussed. Then a reliable technique to use device simulators and photosensor modeling results, is proposed based on our previous design, simulation and fabrication experiences. A new equivalent circuit model for SiAPD is also developed to be applied in circuit level simulations.
引用
收藏
页码：83 / +
页数：2
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