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利用随机并行梯度下降(SPGD)算法实现16路光纤激光相位锁定。通过数字信号处理器(DSP)上执行随机并行梯度下降算法实现对各路激光相位的控制,系统闭环时的激光功率提高为开环时的近12倍。
Sixteen Fiber Laser Phase Locking Using Stochastic Parallel Gradient Degradation (SPGD) Algorithm. The control of the laser phase of each path is realized by performing a random parallel gradient descent algorithm on the digital signal processor (DSP), and the laser power of the system is increased by nearly 12 times when the system is open-loop.