Study on Some Problems in Measurement of Dispersion of Monomode Optical Fiber by Phase-Shift Method

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- Study on Some Problems in Measurement of Dispersion of Monomode Optical Fiber by Phase-Shift Method
- Acta Electronica Sinica Issue 1, Pages: 124-126(1988)
- 作者机构：
  
  武汉邮电科学研究院汉口
- 作者简介：
- 基金信息：
- DOI：
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- Published：1988
- 稿件说明：
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[1]周文俊.相移法测量单模光纤色散特性的探讨[J].电子学报,1988(01):124-126.

Zhou Wen-jun. Study on Some Problems in Measurement of Dispersion of Monomode Optical Fiber by Phase-Shift Method[J]. Acta Electronica Sinica, 1988, (1): 124-126.
[1]周文俊.相移法测量单模光纤色散特性的探讨[J].电子学报,1988(01):124-126. DOI：

Zhou Wen-jun. Study on Some Problems in Measurement of Dispersion of Monomode Optical Fiber by Phase-Shift Method[J]. Acta Electronica Sinica, 1988, (1): 124-126. DOI：

本文对相移法测量单模光纤色散中诸因素的影响进行了分析

对最低可测信噪比的含义提出了新的见解。实验表明

在采用我们自行研制的色散仪条件下

最低可测信噪比降到20dB（电）以下

其测量范围可相应地扩大到20dB（光）以上。

The effect o{fthe factors in measuring the dispersion of a monomode optical fiber by phate-shift method are analyzed theoretically

and a new ideal to improve the minimum measurable signal to noise ratio is presented. Experimentally

the minimum measurable S/N ratio is achieved to lower than 20dB（E） and the measurable dynamic range is enlarged to over 20dB（O）.

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