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The polarization effects of the pumping source of a ring tunable wavelength laser Er-doped fiber

机译：环形可调波长激光掺Er光纤泵浦源的偏振效应

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摘要

The analysis of polarization evolution in a tunable fiber laser in a ring configuration is presented, an interferometer was used to tune the laser and was manufactured with thin-core fiber (Thin-Core Fiber, TCF). The interferometer was achieved by splicing a segment of thin-core fiber (Thin-Core Fiber, TCF) between two segments of single-mode fiber SMF-28 (Single-Mode Fiber). Single and double and triple line emissions were obtained by means of the angular micrometric deflection in the TCFM1 (Thin-Core Fiber Modal Interferometer) interferometer section, as well as depending on the position of the polarization controller plates (PCI and PC2). Also, a uniform tuning was achieved, depending on the polarization state of the pumping source and the position of the plates of the second polarization controller (PC2), which started at 1534.70265 nm and moved to the left side to 1531.65142 nm and the evolution of the polarization state in this tuning range was observed. A tuning range of 1527.01738 to 1553.66363 nm was also achieved by means of the angular micrometric deflection in the TCFMI interferometer section.
机译：提出了一种在环形配置的可调谐光纤激光器中偏振演化的分析，使用干涉仪对激光器进行调谐，并使用薄芯光纤（Thin-Core Fiber，TCF）制造。干涉仪是通过在单模光纤SMF-28（单模光纤）的两个段之间拼接一段纤芯光纤（Thin-Core Fiber，TCF）来实现的。通过在TCFM1（薄芯光纤模态干涉仪）干涉仪部分中的角测微偏斜以及取决于偏振控制器板（PCI和PC2）的位置，可以获得单线，双线和三线发射。同样，根据泵浦源的偏振状态和第二个偏振控制器（PC2）的板的位置，实现了均匀的调谐，该调谐从1534.70265 nm开始，向左侧移动到1531.65142 nm，以及在该调谐范围内观察到偏振态。通过TCFMI干涉仪部分中的角测微偏斜，也可以达到1527.01738至1553.66363 nm的调谐范围。

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