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本文提出了一种利用光纤光栅作为调谐装置的可调谐全光纤激光器。实验结果表明：该调谐装置操作简便，性能稳定。激光器输出波长连续可调，输出波长复现性误差小于０．００８ ｎｍ ，输出功率大于１ｍ Ｗ，激光谱线线宽小于０．０１ ｎｍ ，波长调谐范围大于６．４ ｎｍ 。
This paper presents a tunable all-fiber laser using a fiber grating as a tuning device. The experimental results show that the tuning device is easy to operate and has stable performance. The laser output wavelength is continuously adjustable. The output wavelength reproducibility error is less than 0.008 nm, the output power is greater than 1 m W, the laser linewidth is less than 0.01 nm and the wavelength tuning range is greater than 6.4 nm.