Non-approximated Rayleigh-Sommerfeld diffraction integral: advantages and disadvantages in the propagation of complex wave fields.
Clicks: 230
ID: 89384
2019
Advantages and disadvantages of the non-approximated numerical implementation of the Rayleigh-Sommerfeld diffraction integral (RSD) are revisited. In this work, it is shown that as trade-off for its large computation load, the non-approximated RSD removes any limitation on the propagation range and does not introduce any artifact in the computed wave field. A non-approximated GPU implementation of the RSD is contrasted with the angular spectrum, the Fresnel transform, and a fast Fourier transform implementation of the RSD. The forecasted phase shift introduced in the propagated wave fields as light is diffracted on complementary apertures and utilized as a metric to quantify the performance of the tested methods. An application to numerical reconstructions with arbitrary shape and size of digital recorded holograms from digital lensless holographic microscopy is presented.
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buitragoduque2019nonapproximatedapplied
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| Authors | Buitrago-Duque, Carlos;Garcia-Sucerquia, Jorge; |
| Journal | Applied optics |
| Year | 2019 |
| DOI | 10.1364/AO.58.000G11 |
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