22 June 2013 Aligning precisely polarization maintaining photonic crystal fiber and conventional single-mode fiber by online spectrum monitoring
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Proceedings Volume 8769, International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013); 876928 (2013) https://doi.org/10.1117/12.2021106
Event: International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013), 2013, Singapore, Singapore
Abstract
The fibers aligning is very important in fusion splicing process. The core of polarization maintaining photonic crystal fiber(PM-PCF) can not be seen in the splicer due to microhole structure of its cross-section. So it is difficult to align precisely PM-PCF and conventional single-mode fiber(SMF).We demonstrate a novel method for aligning precisely PM-PCF and conventional SMF by online spectrum monitoring. Firstly, the light source of halogen lamp is connected to one end face of conventional SMF.Then align roughly one end face of PM-PCF and the other end face of conventional SMF by observing visible light in the other end face of PM-PCF. If there exists visible light, they are believed to align roughly. The other end face of PM-PCF and one end face of the other conventional SMF are aligned precisely in the other splicer by online spectrum monitoring. Now the light source of halogen lamp is changed into a broadband light source with 52nm wavelength range.The other end face of the other conventional SMF is connected to an optical spectrum analyzer.They are translationally and rotationally adjusted in the splicer by monitoring spectrum. When the transmission spectrum power is maximum, the aligning is precise.
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Ying Jiang, Ying Jiang, Jie Zeng, Jie Zeng, Dakai Liang, Dakai Liang, Xiaoyu Ni, Xiaoyu Ni, Wenyong Luo, Wenyong Luo, } "Aligning precisely polarization maintaining photonic crystal fiber and conventional single-mode fiber by online spectrum monitoring", Proc. SPIE 8769, International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013), 876928 (22 June 2013); doi: 10.1117/12.2021106; https://doi.org/10.1117/12.2021106
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