Fig. 1. Algorithm flow chart

Fig. 2. (a) Input amplitude distribution; (b) input phase distribution; (c) iterative amplitude retrieval result;(d) iterative phase retrieval result

Fig. 3. Relationship of E and the number of iterations between the accelerating type and traditional type

Fig. 4. Comparison between the traditional type and accelerating type

Fig. 5. Relationship between E and the number of iterations under different number of wavelength

Fig. 6. Value of Q for the phase retrieval when each algorithm achieves convergence