Effect of the Spectral Width of Optical Sources upon the Output of an Active Optical Current Sensor by Fiber Dispersion

SHEN Tao; WEI Xin-lao

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Effect of the Spectral Width of Optical Sources upon the Output of an Active Optical Current Sensor by Fiber Dispersion

更新时间：2026-07-10

- Effect of the Spectral Width of Optical Sources upon the Output of an Active Optical Current Sensor by Fiber Dispersion
- Vol. 14, Issue 1, Pages: 98-101(2009)
- 作者机构：
  
  1. 哈尔滨理工大学应用科学学院
  2. 哈尔滨理工大学电气与电子工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP212.14
- Published：2009
- 稿件说明：
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SHEN Tao, WEI Xin-lao. Effect of the Spectral Width of Optical Sources upon the Output of an Active Optical Current Sensor by Fiber Dispersion[J]. 2009, 14(1): 98-101.
DOI：

SHEN Tao, WEI Xin-lao. Effect of the Spectral Width of Optical Sources upon the Output of an Active Optical Current Sensor by Fiber Dispersion[J]. 2009, 14(1): 98-101. DOI：

摘要

基于光纤色散引起的脉冲展宽效应

在理论和实验上研究了有源光学电流传感器(AOCS)中宽带光源对系统输出的影响.理论结果表明:对于长度为500 m的光纤

当光源谱宽在40-60 nm之间变化时

多模光纤传输下的脉冲展宽范围在0.5~0.8 ns

单模光纤传输下的脉冲展宽范围在2×10-5~4×10-5ns

信号衰减量对系统输出影响很小

且随光源谱宽的增加而有微弱的增加

实验与理论相符合.

Abstract

For Active optical current sensor

the effect of broadband light sources on pulse broadening caused by fiber dispersion has been theoretically investigated and simulated.The results show that when the spectra width of light sources varies between 40-60 nm

the pulse broadening of multimode fiber with length of 500 m and single-mode fiber varies between 0.5~0.8 ns and 2×10-5~4×10-5ns

respectively.Finally

our experimental results verify the above conclusions.

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