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    科学领域:

    • 光学和光子学 在光学和光子学.
    • 激光物理 激光物理
    • 材料科学 材料科学 材料科学

    背景情况:

    • 纤维激光器在光束质量和强度方面具有优势.
    • 在光纤激光器中实现高功率,单频操作仍然是一个挑战.
    • 热效应会降低激光器的性能,尤其是在高功率水平时.

    研究的目的:

    • 开发一种高功率,单频分布式布拉格反射器光纤激光器.
    • 为了研究添加的酸纤维激光器的性能.
    • 展示一种在光纤激光振荡器中减轻热效应的方法.

    主要方法:

    • 使用了1.5厘米,12重%的酸添加的酸纤维.
    • 采用974.5nm激光二极管进行送.
    • 描述激光性能,包括输出功率,极化灭绝比 (PER) 和光谱线宽度.

    主要成果:

    • 实现了980nm的单频光纤激光器,量子缺陷<0.6%.
    • 获得了线性偏振,单条纵向模式输出, PER ~30 dB 和线宽 < 1.8 kHz.
    • 在620mW的发射功率下,测量了275mW的最大输出功率.

    结论:

    • 展示了一种高功率单频光纤激光振荡器.
    • 开发的方法有效地减轻了热效应.
    • 这项工作为先进的光纤激光系统提供了途径.