A display system (300) comprising an optical system and a processing system. The optical
system comprising a spatial light modulator (380), a light source, a Fourier transform lens, a …

An optical coupling device including: at least a first input port for delivering an optical input
signal beam that includes a plurality of wavelength channels; at least a first optical output …

An iterative method of retrieving phase information in the Fourier domain representative of
the n th frame of a sequence of 2D image frames. The method comprises using at least one …

There is provided a lighting device arranged to produce a controllable light beam for
illuminating a scene. The device comprises an addressable spatial light modulator arranged …

There is provided a lighting device arranged to produce a controllable light beam for
illuminating a scene. The device comprises an addressable spatial light modulator arranged …

A method of displaying a video image comprises receiving sequential image frames at a
processor. Each image frame is processed to obtain a kinoform. A programmable diffractive …

There is provided a method of projection using an optical element (502,602) having spatially
variant optical power. The method comprises combining Fourier domain data representative …

There is provided a method of projection using an optical element (502,602) having spatially
variant optical power. The method comprises combining Fourier domain data representative …

US10257594B2 - Optical device and methods - Google Patents US10257594B2 - Optical
device and methods - Google Patents Optical device and methods Download PDF Info …

A method of processing a pixellated image to retrieve a phase distribution representative of
the image. The phase distribution representative of the image is in the Fourier domain. The …