Science

Fast and flexible computation of optical diffraction

Fast and flexible computation of optical diffraction

The efficient calculation of diffraction is of significance for tracing electromagnetic field propagation and predicting the performance of optical systems. Scientists in China present a fast and flexible way to compute scalar and vector diffraction using the Bluestein method. The computation time can be substantially reduced, and the region of interest as well as the sampling numbers can be arbitrarily chosen. This method lays a foundation for real-time light field analysis in various optical implementations.

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