Abstract
We present what is to the best of our knowledge the first implementation of a trust region method for derivative-free optimization (TRDF) in a wavefront sensorless (WFSless) adaptive optics (AO) system. We compare the trust region method with the simulated annealing (SA) algorithm and stochastic parallel gradient descent (SPGD) algorithm. The experimental results demonstrate that the trust region method is superior to both the SA algorithm and SPGD algorithm with respect to convergence rates. These results indicate that the trust region method is a promising approach for correcting static or slowly changing wavefront aberrations in practical applications.
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