%0 Book Section %T Focus on Fourier optics techniques publisher SPIE--The International Society for Optical Engineering %D 2004 %U 0-8194-5534-2 %@ https://hdl.handle.net/20.500.14352/53361 %X We present a short overview on the application of fractional cyclic and linear canonical transformations to optical signal processing and dedicate some of the discussions to the particular features found in the fractional Fourier transform domain. %~