Browsing Electrical, Electronic and Communications Engineering Research Collection by Author "Patten, Robert"

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Browsing Electrical, Electronic and Communications Engineering Research Collection by Author

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Holographic interferometry and the fractional Fourier transformation

Sheridan, John T. ; Patten, Robert (Optical Society of America, 2000-04-01)

The fractional Fourier transform (FRT) is shown to be of potential use in analyzing the motion of a surface by use of holographic interferometry. The extra degree of freedom made available by the use of the FRT allows ...
Speckle photography : mixed domain fractional Fourier motion detection

Patten, Robert ; Hennelly, Bryan M. ; Kelly, Damien P. ; O'Neill, Feidhlim T. ; Liu, Ying ; Sheridan, John T. (Optical Society of America, 2006-01-01)

A reﬂection-based optical implementation of two simultaneous scale-invariant fractional Fourier transforms (FRTs) is used to develop a novel compact speckle photographic system. The system allows the independent determination ...