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Shifted Field Propagation

  • Kyoji MatsushimaEmail author
Chapter
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Part of the Series in Display Science and Technology book series (SDST)

Abstract

The shifted field propagation is a sort of numerical propagation between parallel planes. However, the technique makes it possible to propagate the source field to the destination sampling window that is laterally shifted from the source sampling window. Using this propagation technique, it is possible to propagate very large-scale fields that cannot be loaded in the computer memory. In this chapter, we discuss several techniques to realize the shifted field propagation: shifted far-field and Fresnel propagation, and the shifted angular spectrum method. The technique of scaled FFT used for the shifted Fresnel propagation is also described in this chapter.

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© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Faculty of System EngineeringKansai UniversityOsakaJapan

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