Optics and Precision Engineering, Volume. 31, Issue 24, 3540(2023)
Technology of low-loss high-reliability fusion splicing between photonic crystal fiber and polarization-maintaining fiber
Figures & Tables(16)
Fig. 4. Relationship between PCF mode field mismatch loss and splice power and splice time
Fig. 5. Relationship between PCF melting point confinement loss and splice power and splice time
Fig. 6. Relationship between PCF melting point loss and splice power and splice time
Fig. 8. Relationship between splice loss and splice strength and splice time of PCF and PMF
Table 1. Comparison of heating source characteristics
View tableView in ArticleTable 1. Comparison of heating source characteristics
加热方法 优势 劣势 电极放电 无需气体 电极老化后会在光纤表层沉积污染物 石墨丝加热 无需高压 1.石墨丝老化后极易污染光纤表面
2.频繁更换石墨丝
3.惰性气体防止过快氧化
CO2激光器 最清洁的热源，不会在光纤表层镀上金属氧化物 要考虑激光器安全防护
Table 2. Quality comparison of fiber cutting with fiber cleaver
View tableView in ArticleTable 2. Quality comparison of fiber cutting with fiber cleaver
切割刀类型 拉切式 压切式 切割原理 利用金刚石刀片在光纤表面划出印痕，并采用拉光纤（应用磁力、弹力或其他外力）的方式将光纤拉断，得到平整且垂直于中轴线的端面 利用金刚石刀片在光纤表面划出印痕，并将光纤压断，得到平整且垂直于轴线的端面 切割方法 拉切时，光纤在一定拉力下，刀片垂直光纤切割 压切时，存在光纤微弯曲，切割光纤端面角度较大 切割角度 ≤0.5° 0.5°~1.5°
Table 3. Record form of heating position experiment
View tableView in ArticleTable 3. Record form of heating position experiment
序号 加热区域位置 损耗/dB 抗拉强度
（>100 kpsi）
1 偏移保偏侧50 μm 0.75 86 2 偏移保偏侧25 μm 0.83 90 3 中心 0.85 95 4 偏光子晶体侧25 μm 1.0 80 5 偏光子晶体侧50 μm 1.24 74
Table 4. Record form of splicing reheating test
View tableView in ArticleTable 4. Record form of splicing reheating test
序号 熔点 追加通光情况 损耗/dB 抗拉强
度/kpsi
次数 通光强度/bit 1 0.8 <100 1 -20 2 1.2 150 2 -20 3 0.83 110 2 -30 4 0.91 140 3 -30 5 1.1 160 4 -30 6 0.78 <100 4 -40 7 0.9 <100 5 -40
Table 5. Record form of splicing test
View tableView in ArticleTable 5. Record form of splicing test
序号 损耗（≤1 dB） 抗拉强度（>100 kpsi） 1 0.9 154 2 0.81 134 3 0.73 160 4 0.85 140 5 0.89 145 6 0.75 122 7 0.72 116 8 0.92 177 9 0.76 110 10 0.86 137
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Xiaoling WANG, Yafei ZHAO, Baolin LIU, Zijian ZHANG, Qiwei WANG. Technology of low-loss high-reliability fusion splicing between photonic crystal fiber and polarization-maintaining fiber[J]. Optics and Precision Engineering, 2023, 31(24): 3540
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Received: Jun. 14, 2023
Accepted: --
Published Online: Jan. 5, 2024
The Author Email: WANG Xiaoling (wangxl824@126. com)
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