干涉法分析光纤连接器端面

Proceedings of LFNM'2000. 2nd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.00EX419) Pub Date : 2000-05-23 DOI:10.1109/LFNM.2000.854045

A. Filipenko

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引用次数: 2

摘要

高质量的光纤连接器是任何光纤系统的重要组成部分。光纤连接器中的反向反射或回波损耗是相对于前向信号反射回光源的光量。背反射的主要原因是光纤折射率的不连续(菲涅耳反射)。通过抛光改变连接器端面可以控制这种效果。物理接触连接器抛光后端面的纹路不应超过0.035mkm。我们通过同时观察条纹和研究表面的微干涉仪来检查这一点。

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Fiber connector end face analysis by interference method

High quality fiber optic connectors are a crucial part of any fiber optic system. Back reflection or return loss in fiber connectors is the amount of the light reflected back towards the source relative to the forward signal. The primary cause of the back reflection is a discontinuity in the refraction index of the fiber (Fresnel reflections). Changing the connector end face by polishing can control this effect. The grain of the end face of the physical contact connectors after polishing should not exceed 0.035mkm. We check this by using a microinterferometer in which the fringes and researched surface are observed simultaneously.

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Proceedings of LFNM'2000. 2nd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.00EX419)

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