报道了一种全光纤结构的线偏振掺镱光纤激光器，采用快慢轴交叉对准的光纤光栅为腔镜，实现了线偏振激光的振荡输出。以975 nm的半导体激光器为抽运源，在抽运功率为50 W时，获得了30.2 W线偏振激光输出，光光转换效率60%，偏振消光比(PER)优于22 dB。研究了输出激光的光谱控制特性，通过对光纤光栅的温度控制，实现了输出激光中心波长和半峰全宽(FWHM)的精确调节。

An all-fiber configuration linearly-polarized fiber laser reported, with one pair PM fiber Bragg grating for wavelength and polarization selection. The maximum linearly-polarized laser output power is 30.2 W, which respects to the launched pump power of 50 W from a 975 nm diode laser pumper. The optical-to-optical efficiency is 60%, and polarization extinction rate (PER) is better than 22 dB. The output central wavelength as well as the full width at half maximum (FWHM) of spectrum can be precisely adjusted by controling the temperature of the fiber Bragg grating.