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Laser Wavelength Estimation Method Based on a High-Birefringence Fiber Loop Mirror

机译：基于高双折射光纤环形镜的激光波长估计方法

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摘要

A simple method for the estimation of the wavelength of a fiber laser system is proposed. The method is based on the use of a high-birefringence-fiber loop mirror (HBFLM). The HBFLM exhibits a periodic transmission/reflection spectrum whose spectral characteristics are determined by the length and temperature of the high-birefringence fiber (HBF). Then, by the previous characterization of the HBFLM spectral transmission response, the central wavelength of the generated laser line can be estimated. By using a photodetector, the wavelength of the laser line is estimated during an HBF temperature scanning by measuring the temperature at which the maximum transmitted power of the HBFLM is reached. The proposed method is demonstrated in a linear cavity tunable Er/Yb fiber laser. This method is a reliable and low-cost alternative for laser wavelength determination in short wavelength ranges without the use of specialized and expensive equipment.
机译：提出了一种简单的估计光纤激光器系统波长的方法。该方法基于高双折射光纤环形镜（HBFLM）的使用。 HBFLM表现出周期性的透射/反射光谱，其光谱特性由高双折射光纤（HBF）的长度和温度决定。然后，通过HBFLM光谱传输响应的先前表征，可以估算生成的激光线的中心波长。通过使用光电探测器，在HBF温度扫描期间通过测量达到HBFLM的最大发射功率的温度来估算激光线的波长。线性腔可调Er / Yb光纤激光器演示了该方法。该方法是在短波长范围内确定激光波长的可靠且低成本的替代方法，而无需使用专用且昂贵的设备。

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