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Diffraction calculations using fast Fourier transform methods

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2 Author(s)
Sziklas, E.A. ; Florida Research and Development Center, West Palm Beach, Fla. ; Siegman, A.E.

By using a coordinate transformation based on Gaussian-beam theory, we can apply efficient fast Fourier transform (FFT) computational methods to diffraction problems involving spherically diverging or converging waves as well as to quasi-collimated beams of radiation.

Published in:

Proceedings of the IEEE  (Volume:62 ,  Issue: 3 )