Abstract
Signal and image processing operations, such as convolution, correlation, and phase conjugation, have been implemented by holographically recorded filtering elements placed in the Fourier plane of a coherent telecentric imaging system.1 The concept of holographic processing has been recently adopted for ultrafast temporal waveforms, generating a spectral hologram and achieving signal processing capabilities on ultrafast waveforms.2,3
© 1999 Optical Society of America
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