Hurdling local minima in multiple-plane phase retrieval using a reference passage plane
Abstract
In the multiple-plane phase retrieval technique, adjacent intensity patterns are sequentially processed to recover the phase of a test object wave. For smooth objects and stemming from the small change in amplitude between the adjacent planes, the reconstruction may tend to converge slowly or stagnate. A novel algorithm using a reference passage plane which effectively increases the propagation distances, thereby, increasing the change in amplitude is proposed. The technique improves the reconstructions as demonstrated through simulations and experiments.
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From laboratory to society: Physics in nation building
29 May-1 June 2019, Tagbilaran City
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