| 一种基于光电负阻器件的新型阈值可调光传感器 |
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| 引用本文： | 王晓卓,张世林,郭维廉,张培宁.一种基于光电负阻器件的新型阈值可调光传感器[J].光电子．激光,2003,14(7):701-704. |
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| 作者姓名： | 王晓卓 张世林 郭维廉 张培宁 |
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| 作者单位： | 1. 天津大学电子信息工程学院,天津,300072
2. 宣化通信学院,河北,宣化,075100 |
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| 摘 要： | 将硅光电负阻器件与发光二极管封装在一起，利用硅光电负阻器件的双稳和自锁特性，制成了一种新型的非线性阈值可调光传感器。研究表明，该光传感器不仅可实现对信号的光电耦合，还可实现设定阈值，比较判断和输出驱动等一系列信号处理功能；同时它结构简单，调整方便。
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| 关 键 词： | 硅光电负阻器件 非线性光耦合器 光学双稳态 光传感器 阈值可调 |
A New-style Light Sensor with Adjustable Threshold Based on Photoelectronic Negative Resistance Devices |
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| Abstract.A New-style Light Sensor with Adjustable Threshold Based on Photoelectronic Negative Resistance Devices[J].Journal of Optoelectronics·laser,2003,14(7):701-704. |
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| Authors: | Abstract |
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| Abstract: | A new-style nonlinear light sensor of adjustable threshold has been fabricated by packaging a silicon photoelectronic negative resistance device and an LED together,and using the photo-bistable and self-locking characteristics of the negative resistance device.It is shown this light sensor can realize the photoelectronic coupling of signals,and a series of signal processing functions such as threshold setting,comparing,and output driving.It also has a simple structure and can be modulated conveniently. |
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| Keywords: | light sensor Si photoelectronic negative resistance device photobistability nonlinear photo-coupler |
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