The effect of lateral deviation on coupling efficiency of fiber connector and its compensation method
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The optical fiber is generally used in pairs, one for transmitting data, and the other for receiving. According to this characteristic, based on analyzing the effect of lateral deviation on coupling efficiency, the novel directional tapered communication optical fiber connector is designed to improve the coupling efficiency. In the new connector, the structure of the fiber head is tapered according to the signal transmission direction to improve the reliability. In order to study the performance of the new connector, two experiments in different environments were done, the one is in the static environment and the other is in the vibration environment. The first experiment shows that on the condition of the same lateral deviation, the coupling efficiency of the new connector is higher than that of the traditional connector. The second experiment shows that on the condition of the same vibration frequency and same amplitude, the coupling efficiency of the new connector is higher also.
KeywordsOptical fiber connector Coupling efficiency Lateral deviation Tapered structure
Firstly, I would like to show my gratitude to my colleague Dr. Long Wen, a respectable and resourceful scholar, who has provided me with guidance in key stage of the writing of this thesis. Without his enlightening instruction, I could not have completed my thesis. Secondly, I shall extend my thanks to my wife Dr. Chen Hui for her kindness and help. At last, I would also like to thank all my other colleagues for their help.
Project supported by the National Natural Science Foundation of China (Grant No. 61275080), the Solar Energy Integration Technology Popularization and Application Key Laboratory of Sichuan Province (Grant No. 2018TYNSYS-Z-01).
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