A computer-generated hologram (CGH) is a holographic image produced using computational methods and algorithms, rather than traditional optical techniques. CGHs are generated entirely in digital form using computers and are often displayed on...

The frequency domain is a concept used in signal processing and analysis to represent signals and data in terms of their...

A device incorporating a spatial light modulator and a reference filter; used for matching an input optical waveform or...

A hologram formed without lenses and with the object and reference points sharing the same plane. In the initial recording,...

An instrument using a Michelson interferometer, a beamsplitter, two plane mirrors and a detector to give Fourier analysis of...

The optical Fourier transform is a mathematical operation applied to optical signals that involves transforming a spatial...

The Fourier series representation of a two-dimensional periodic field, assuming that the original image is periodic both...

The signal-to-noise ratio (SNR) obtained with a Fourier transform spectrometer when detector noise prevails, which exceeds...

The angular spectrum approach is a mathematical and computational technique used in the field of optics to analyze and...

Any of the various methods of decomposing a signal into a set of coefficients of orthogonal waveforms (trigonometric...

The transform defining that, if a reference beam is a divergent spherical wavefront, then the reconstructed image will be...

A hologram formed by the recording of a plane object situated in the focal plane of a lens so that each object gives rise to...

The direct computation of the Fourier transform of the space variant system output of an optical processor with a single...

The use of computer analysis in the calculation of diffraction patterns for information on the design of optical systems. In...

FTIR (Fourier transform infrared) spectrometer is a powerful analytical instrument used to obtain an infrared spectrum of...

Digital signal processing (DSP) refers to the manipulation and analysis of signals, which are representations of physical...