Fringe 2013 pp 337-340 | Cite as

Optimized Phase Retrieval Algorithm with Multiple Illuminations

  • Ni ChenEmail author
  • Jiwoon Yeom
  • Byoungho Lee


Both amplitude and phase of an optical wavefront are necessary in many applications. However, the conventional detector can only measure the intensity of the wavefront. The phase should be measured by interferometry [1] or phase retrieval techniques [2, 3]. Compared to the interferometry, the phase retrieval methods just need diffracted intensity images without a reference beam, which makes the experimental setup simple. There are mainly two kinds of phase retrieval techniques. One is quantization phase retrieval which is based on the transport of intensity equation [2]. The other one is based on the iterative algorithm [3-5].


Root Mean Square Error Intensity Image Reference Beam Object Plane Calculated Phase 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  1. 1.School of Electrical EngineeringSeoul National UniversitySeoulKorea

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