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MCVD工艺和溶液掺杂技术是制备掺铒石英光纤的重要手段,引入Al_2O_3可以改善光纤的光学特性,光纤放大器的实验结果表明:在514.5和532nm波长激光浦下,可分别获得20和30dB的放大增益。
The MCVD process and solution doping technology are important methods for preparing erbium-doped silica fibers. The introduction of Al 2 O 3 can improve the optical properties of the fibers. The experimental results of the fiber amplifier show that the gain of 20 and 30 dB can be obtained at 514.5 and 532 nm, respectively Gain.