首页|Enhanced fixed plane phase retrieval using wavelength-to-distance transformation and unordered propagations
Enhanced fixed plane phase retrieval using wavelength-to-distance transformation and unordered propagations
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NSTL
Elsevier
Stagnation errors in iterative smooth object wavefront reconstruction occur because of insufficient intensity variation despite employing experimental methods that increase intensity variation such as the use of multiple illumination wavelengths. In this study, an algorithmic technique for optimized multiple wavelength phase retrieval that uses wavelength-to-distance transformation and unordered wave propagations sequence is demonstrated. Simulations show that the technique significantly accelerates the reconstruction compared to conventional methods based on sequential propagations. The number and tuning range (or spacing) of the illumination wavelengths are also optimized resulting in the enhanced reconstruction of the test object waves used. The main advantage of the technique is the reduced number of illumination wavelengths needed for enhanced object wave reconstruction.
NSTL
Elsevier
