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    科学领域:

    • 光学和光子学 在光学和光子学.
    • 激光技术 激光技术 激光技术
    • 干涉测量是干涉测量的方法.

    背景情况:

    • 纤维延迟线稳定激光器对于各种应用至关重要,但容易受到温度诱导的频率波动的影响.
    • 现有的稳定方法通常需要复杂的热管理系统.

    研究的目的:

    • 为了展示一个温度不敏感的光纤延迟线稳定激光器.
    • 为了减少环境温度变化引起的激光频率噪声.
    • 为了实现更紧,更高效的激光系统.

    主要方法:

    • 使用双重马赫-泽恩德干扰仪 (MZI) 与偏振维护纤维 (PMFs).
    • 在MZI中采用两个直角偏振元件,每个都经历独特的相位变化与温度变化.
    • 实现一种用于激光频率锁定的异质信号,另一种用于温度诱导的频率波动补偿.

    主要成果:

    • 实现了激光频率波动的显著抑制,减少了至少25倍.
    • 证明了一种有效的方法来减轻温度诱导的激光频率噪声.
    • 验证了实时频率补偿的双MZI方法.

    结论:

    • 开发的基于MZI的双双FDL稳定激光提供了强大的温度不敏感性.
    • 这项技术可以实现紧的激光系统,降低了热屏蔽要求.
    • 该方法显著减少了热平衡时间,提高了系统响应能力.