Dark current test system based on logarithmic converter

TANG Ming-xing~

doi:10.13756/j.gtxyj.2004.06.021

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Dark current test system based on logarithmic converter

- Dark current test system based on logarithmic converter
- Study on Optical communication Issue 6, Pages: 63-66(2004)
- 作者机构：
  
  1.   武汉邮电科学研究院
  2.   武汉光迅科技有限责任公司
  3.   武汉光迅科技有限责任公司湖北武汉　430074武汉光迅科技有限责任公司湖北武汉　430074
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2004.06.021
  CLC： TN29
- Published：2004，
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[1]唐明星,江山,印新达,李传文,曹巍,杨志,李海涛,刘翠青,后运飞,吴晓平.基于对数转换器的暗电流测试系统[J].光通信研究,2004(06):63-66.

TANG Ming-xing~. Dark current test system based on logarithmic converter. [J]. (6):63-66(2004)
[1]唐明星,江山,印新达,李传文,曹巍,杨志,李海涛,刘翠青,后运飞,吴晓平.基于对数转换器的暗电流测试系统[J].光通信研究,2004(06):63-66. DOI： 10.13756/j.gtxyj.2004.06.021.

TANG Ming-xing~. Dark current test system based on logarithmic converter. [J]. (6):63-66(2004) DOI： 10.13756/j.gtxyj.2004.06.021.

摘要

文章提出一种使用对数转换器进行宽量程、高精度暗电流测试的方案

分析了电流计的通用模型

并开发出一套测试系统

测试灵敏度可达0.1pA

远高于目前国内能够提供的测试仪表.仪器自带偏压输出

除用于光电探测器暗电流的测试、微弱光功率测量外

还可以测量器件的击穿电压、材料的绝缘电阻等.该仪器亦能通过串口与计算机组成功能更强的测试系统.

Abstract

A wide range and high accuracy dark current test system using logarithmic converter is designed and produced based on galvanometer common model. The sensitivity is as high as 0.1pA

which is better than that of other current test instruments in China. It works well in measuring photo-detector dark current

weak optical power and high resistance. Utilizing a computer

the dark current test system can have more functions.

关键词

对数转换器暗电流动态范围灵敏度

Keywords

logarithmic converterDark currentdynamic rangesensitivity

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Related Institution

College of Optoelectronic Engineering,Chongqing University of Posts and Telecommunications

Chongqing Optoelectronics Research Institute

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State Key Laboratory of Advanced Optical Communication Systems and Networks, Shanghai Jiao Tong University

Pilot National Laboratory for Marine Science and Technology

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