Fourier Transform, Optical Computing, Free Space Optics.
result should be smaller than ​10⁻¹⁴.) A note on performance But, if we are using a two-dimensional Fourier engine, are not we wasting resources? Surely a 2D FT of size 100 by 100 is a much more demanding operation than a 1D transform of size 100, so why use an algorithm designed for the former to