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Single-frequency linear cavity erbium-doped fiber laser for fiber-optic sensing applications

机译:单频线性腔掺b光纤激光器,用于光纤传感应用

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摘要

We report a short-cavity fiber laser configured with a high-concentration erbium-doped fiber with stable single-frequency output. The fiber laser utilized a fiber Bragg grating inscribed into a piece of polarization-maintaining optical fiber as the output coupler to ensure a stable single frequency laser output. The polarization-maintaining optical fiber used in the output coupler is intended to provide the linearly polarized single-frequency laser output. The fiber laser had a maximum hundreds of micron-Watt level power output pumped by a fiber pigtailed laser diode working at 980 nm. Mode hopping phenomenon was eliminated in such a short-cavity fiber laser. Laser frequency stability less than 400 MHz over 10 minutes was obtained.
机译:我们报告了一种短腔光纤激光器,该激光器配置了高浓度掺-光纤,并具有稳定的单频输出。光纤激光器利用刻在保偏光纤中的布拉格光纤光栅作为输出耦合器,以确保稳定的单频激光输出。在输出耦合器中使用的保持偏振的光纤旨在提供线性偏振的单频激光输出。光纤激光器的最大输出功率是由工作在980 nm的光纤尾纤激光二极管泵浦的数百微米瓦级功率输出。在这种短腔光纤激光器中消除了模式跳跃现象。在10分钟内获得小于400 MHz的激光频率稳定性。

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