Research on weak optical signal detection systems

Ge Wenjie1; Yu Jiekui1; Hu Qianggao1; Jiang Yi 1

doi:10.13756/j.gtxyj.2013.03.017

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Research on weak optical signal detection systems

- Research on weak optical signal detection systems
- Study on Optical communication Issue 3, Pages: 51-53(2013)
- 作者机构：
  
  1. 光纤通信技术和网络国家重点实验室
  2. 武汉光迅科技股份有限公司
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2013.03.017
  CLC： TN911.23
- Published：2013，
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[1]戈文杰,喻杰奎,胡强高,江毅.微弱光信号检测系统的研究[J].光通信研究,2013(03):51-53.

Ge Wenjie1, Yu Jiekui1, Hu Qianggao1, et al. Research on weak optical signal detection systems. [J]. (3):51-53(2013)
[1]戈文杰,喻杰奎,胡强高,江毅.微弱光信号检测系统的研究[J].光通信研究,2013(03):51-53. DOI： 10.13756/j.gtxyj.2013.03.017.

Ge Wenjie1, Yu Jiekui1, Hu Qianggao1, et al. Research on weak optical signal detection systems. [J]. (3):51-53(2013) DOI： 10.13756/j.gtxyj.2013.03.017.

摘要

为了解决光电检测系统检测微弱光信号时的噪声问题

通过建立等效电路模型

推导出了光电检测电路输出信噪比公式并分析了影响系统噪声性能的关键因素。设计了一种可探测微弱光信号、具有宽动态范围和自动换档功能的光电检测系统。实验结果表明

该系统可对微弱光信号进行精确探测。

Abstract

In order to solve the noise problems of the photoelectric detection system in detecting weak optical signals

this paper designs a photoelectric detection system with a wide dynamic range and automatic shift functions by establishing equivalent circuit models

deriving the output signal-to-noise ratio formula of photoelectric detection circuit

and analyzing the key factors affecting the system noise performance.The experimental results show that this system can detect weak optical signals accurately.

关键词

光电检测微弱光信号电路设计

Keywords

photoelectric detectionweak optical signalcircuit design

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SKL of OCTN,Wuhan Research Institute of Post and Telecommunications

光纤通信技术和网络国家重点实验室武汉邮电科学研究院湖北武汉430074

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