Optics and Precision Engineering, Volume. 31, Issue 10, 1454(2023)
Optical performance evaluation of multi-core fiber connectors
Figures & Tables(13)
Fig. 1. Schematic diagram of the influence of external factors on four-core optical fiber connector
Fig. 2. Variation of insertion loss and return loss of different cores with radial rotation angle when
Fig. 3. Variation of insertion loss and return loss of fiber core 3 with external factors
Fig. 4. Three-dimensional parameters of multi-core fiber connectors and effects on insertion loss and return loss
Table 1. Physical parameters of four-core optical fiber
View tableView in ArticleTable 1. Physical parameters of four-core optical fiber
a/μm b/μm c/μm n1 n2 E/Pa v 38 62.5 32 1.463 1.460 7.15×1010 0.14
Table 2. Three-dimensional parameters and roughness of multi-core fiber connectors
View tableView in ArticleTable 2. Three-dimensional parameters and roughness of multi-core fiber connectors
顶点偏移Δ/μm 曲率半径R/mm 光纤凹凸度
U/nm
粗糙度
/nm
0.4~6.3 7.0~9.2 -24.1~14.8 12.2~16.4
Table 3. Results of environmental and mechanical test of the four-core fiber connectors at
λ of 1 550 nmView tableView in ArticleTable 3. Results of environmental and mechanical test of the four-core fiber connectors at
λ of 1 550 nm测试项目 测试环境 插入损耗和回波损耗要求/dB 测试结果/dB 最大插损 最小回损 插损变化 回损变化 最大插损 最小回损 插损变化 回损变化 高温老化 85 ℃，96 h 0.50 50 0.30 5 0.39 47.5 0.14 4.77 低温储存 -45 ℃，96 h 0.36 48.3 0.11 4.53 温度循环 -40~85 ℃，8 h/循环，96 h 0.42 47.4 0.23 4.82 湿度老化 85 ℃， 85%， 96 h 0.31 49.6 0.05 4.05 振动 振幅为1.5 mm，连续扫频范围10~50 Hz，扫频次数为每分钟45次；X，Y，Z三个方向分别振动2 h； 0.37 50.3 0.18 1.89 碰撞 在距离连接器1.5 m的位置固定光缆，将连接器拉至水平，自由落下撞击混凝土板，重复8次 0.33 51.5 0.05 1.53 机械耐久性 重复插拔500次 0.35 49.8 0.28 3.62 重复性 重复插拔10次 0.50 50 0.10 5 0.32 51.8 0.06 1.37
Table 4. Insertion loss and return loss of seven-core fiber connectors
View tableView in ArticleTable 4. Insertion loss and return loss of seven-core fiber connectors
插入损耗 1 2 3 4 5 6 7 Ⅰ 0.11 0.08 0.05 0.01 0.09 0.06 0.12 Ⅱ 0.09 0.07 0.10 0.01 0.03 0.11 0.04 Ⅲ 0.05 0.11 0.03 0.02 0.09 0.07 0.12 Ⅳ 0.12 0.08 0.04 0.02 0.10 0.03 0.08 Ⅴ 0.18 0.05 0.07 0.01 0.09 0.12 0.14 回波损耗 1 2 3 4 5 6 7 Ⅰ 52.04 52.34 52.83 52.01 52.74 52.30 52.26 Ⅱ 52.19 52.32 52.21 53.12 52.11 52.08 52.27 Ⅲ 52.09 52.09 52.34 52.17 52.33 52.18 52.69 Ⅳ 52.05 52.36 52.65 52.23 52.39 52.23 52.19 Ⅴ 52.84 52.69 53.37 52.31 53.33 53.13 52.47
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Shaochen DUAN, Shitai YANG, Yijian CHEN, Baoming DONG, Libo YUAN. Optical performance evaluation of multi-core fiber connectors[J]. Optics and Precision Engineering, 2023, 31(10): 1454
Paper Information
Category: Modern Applied Optics
Received: Nov. 30, 2022
Accepted: --
Published Online: Jul. 4, 2023
The Author Email: YUAN Libo (lbyuan@vip.sina.com)
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