Abstract: An image forming system includes a spatial light modulator (SLM) including a plurality of pixels. Each pixel is configured to diffract incident light and cause the diffracted light to exit the SLM, where a first diffraction order of light exiting the SLM passes through a first exit pupil and higher diffraction orders of light exiting the SLM pass through additional exit pupils having different positions from the first exit pupil. Control logic operatively coupled to the plurality of pixels is configured to control each pixel to control its modulation of the light incident on the pixel and cause the plurality of pixels to collectively form an image at each exit pupil. A light source is configured to emit incident light toward the SLM. A resampling layer is configured to subsample each pixel electrode with two or more samples per pixel to increase a spacing between each exit pupil.

Abstract: This document relates to head mounted display devices. In one example the head mounted display device includes a light engine including an array of individually controllable pixels that can be energized to emit light. The example also includes an optical assembly physically aligned with the light engine and including a set of focusing elements facing toward the light engine and a different set of focusing elements facing away from the light engine.

Abstract: This document relates to head mounted display devices. In one example the head mounted display device includes a light engine including an array of individually controllable pixels that can be energized to emit light. The example also includes an optical assembly physically aligned with the light engine and including a set of focusing elements facing toward the light engine and a different set of focusing elements facing away from the light engine.

Abstract: This document relates to head mounted display devices. In one example the head mounted display device includes a light engine including an array of individually controllable pixels that can be energized to emit light. The example also includes an optical assembly physically aligned with the light engine and including a set of focusing elements facing toward the light engine and a different set of focusing elements facing away from the light engine.

Abstract: This document relates to an optical device that uses adaptive optics as part of an optical system. The adaptive optics can be used to correct light rays that correspond to a portion of an eye box based on information received from an eye-tracking unit, and can also correct for aberrations in the optics in the optical device. The adaptive optics include corrective elements that can be modified using modifying elements to correct the angle of light rays, such that rays associated with a specific pupil position and gaze direction of a user's eye can be made parallel and ensure a high quality image is viewed by the user.

Abstract: A holographic display system includes an eye tracker configured to determine a position of a feature of an eye, a light source configured to output image light, and a digital dynamic hologram. The digital dynamic hologram is configured to receive the image light from the light source. The digital dynamic hologram is further configured to spatially modulate the image light based on a target image to form a reconstructed image in the eye. The reconstructed image includes noise that is non-uniformly distributed across the reconstructed image based on the position of the feature of the eye.

Abstract: Examples are disclosed that relate to holographic near-eye display systems. One example provides a near-eye display device, comprising a diverging light source, an image producing dynamic digital hologram panel configured to receive light from the diverging light source and form an image. The near-eye display device also includes and a combiner comprising a holographic optical element positioned to receive light from the dynamic digital hologram panel and to redirect the light toward an eyebox, the holographic optical element being positioned between the eyebox and a view of an external environment to combine a view of the image formed by the dynamic digital hologram panel and the view of the external environment.

Abstract: A polarization-based dynamic focuser for a near-eye display includes a first polarizer configured to polarize environmental light incident on the first polarizer, such that environmental light passing through the first polarizer toward a user eye has a first polarity. An image source is positioned between the user eye and the first polarizer. The image source is transparent to the environmental light and is configured to output image display light toward the user eye, at least some of the image display light having a second polarity. A dynamic lens is positioned between the user eye and the image source, and is configured to selectively focus incident light having the second polarity toward the user eye at a controllable virtual distance, where the dynamic lens does not affect incident light having the first polarity.

Abstract: Examples are disclosed that relate to holographic near-eye display systems. One example provides a near-eye display device, comprising a diverging light source, an image producing dynamic digital hologram panel configured to receive light from the diverging light source and form an image. The near-eye display device also includes and a combiner comprising a holographic optical element positioned to receive light from the dynamic digital hologram panel and to redirect the light toward an eyebox, the holographic optical element being positioned between the eyebox and a view of an external environment to combine a view of the image formed by the dynamic digital hologram panel and the view of the external environment.

Abstract: A head-mounted, near-eye display device includes a central display and a peripheral display. The central display creates a central image of a first resolution in a central eyebox. The peripheral display creates a peripheral image of a second resolution, lower than the first resolution, in a peripheral eyebox, different than the central eyebox.

Abstract: An optical device comprises a pixel array including one or more pixels. Two or more independently controllable electrodes are electrically coupled to each pixel. A common ground reference electrode is electrically coupled to all pixels of the pixel array. Each pixel includes a plurality of liquid crystal molecules. The liquid crystal molecules may be oriented in a first direction based on a first function of voltages applied by the two or more independently controllable electrodes for the pixel, and oriented in a second direction based on a second function of the voltages applied by the two or more independently controllable electrodes for the pixel. In this way, both phase modulation and polarization modulation may be introduced to light illuminating the pixel array.

Abstract: An image forming system includes a spatial light modulator (SLM) including a plurality of pixels. Each pixel is configured to diffract incident light and cause the diffracted light to exit the SLM, where a first diffraction order of light exiting the SLM passes through a first exit pupil and higher diffraction orders of light exiting the SLM pass through additional exit pupils having different positions from the first exit pupil. Control logic operatively coupled to the plurality of pixels is configured to control each pixel to control its modulation of the light incident on the pixel and cause the plurality of pixels to collectively form an image at each exit pupil. A light source is configured to emit incident light toward the SLM. A resampling layer is configured to subsample each pixel electrode with two or more samples per pixel to increase a spacing between each exit pupil.

Abstract: A holographic display system includes an eye tracker configured to determine a position of a feature of an eye, a light source configured to output image light, and a digital dynamic hologram. The digital dynamic hologram is configured to receive the image light from the light source. The digital dynamic hologram is further configured to spatially modulate the image light based on a target image to form a reconstructed image in the eye. The reconstructed image includes noise that is non-uniformly distributed across the reconstructed image based on the position of the feature of the eye.

Abstract: Examples are disclosed that relate to holographic display systems. One example provides a display system comprising a waveguide, a light source configured to introduce light into the waveguide at a controllable light input angle, and a holographic optical element (HOE) configured to outcouple from the waveguide light received from within the waveguide that meets an angular condition. The display system may further comprise a controller configured to control the light input angle and also to control a corrective component optically downstream of the HOE to correct for aberration of the light by the HOE based upon the light input angle.

Abstract: A light engine comprises a liquid crystal on silicon (LCOS) panel that is operated in combination with illumination and imaging optics to project high-resolution virtual images into a waveguide-based exit pupil expander (EPE) that provides an expanded exit pupil in a near-eye display system. In an illustrative example, the illumination optics comprise a laser that produces illumination light that is reflected by a MEMS (micro-electromechanical system) scanner using raster scanning to post-scan optics including a microlens array (MLA) and one or more collimating or magnifying lenses before impinging on the LCOS panel. The LCOS panel operates in reflection in combination with imaging optics, including one or more of beam-steering mirror and beam splitter, to couple virtual image light from the LCOS panel into the EPE.

Abstract: A polarization-based dynamic focuser for a near-eye display includes a first polarizer configured to polarize environmental light incident on the first polarizer, such that environmental light passing through the first polarizer toward a user eye has a first polarity. An image source is positioned between the user eye and the first polarizer. The image source is transparent to the environmental light and is configured to output image display light toward the user eye, at least some of the image display light having a second polarity. A dynamic lens is positioned between the user eye and the image source, and is configured to selectively focus incident light having the second polarity toward the user eye at a controllable virtual distance, where the dynamic lens does not affect incident light having the first polarity.

Abstract: A holographic display system includes a holographic optical element (HOE), which includes a first volume hologram configured to outcouple light to form a first exit pupil upon satisfaction of a first angular condition, and a second volume hologram configured to outcouple light to form a second exit pupil upon satisfaction of a second angular condition. A light source is configured to introduce light into the HOE at any of a range of angles. A light source controller sets a current angle of the light to a first angle that meets the first angular condition, forming the first exit pupil. The light source controller moves the first exit pupil by changing the current angle to a second angle that meets the first angular condition. The light source controller redirects light to form the second exit pupil by setting the current angle to a third angle that meets the second angular condition.

Abstract: Examples are disclosed that relate to a near-eye display device including a holographic display system. The holographic display system includes a light source configured to emit light that is converging or diverging, a waveguide configured to be positioned in a field of view of a user's eye, and a digital dynamic hologram configured to receive the light, and project the light into the waveguide such that the light propagates through the waveguide.

Abstract: An optical data-storage system comprises a laser, an imaging optic, and associated computer logic. The laser is configured to emit a pulsed wavefront having uniform phase and polarization. The imaging optic is configured to modulate the phase and polarization of different portions of the wavefront by different amounts, and to diffract light from the different portions to a substrate with writeable optical properties. The logic is configured to receive data and to control modulation of the phase and polarization such that the light diffracted from the imaging optic writes the data to the substrate.

Abstract: An optical data-recording system comprises a laser, a dynamic digital hologram, an electronic controller, and a scanning mechanism. The dynamic digital hologram includes a plurality of holographic zones, and is configured to direct the irradiance received thereon to an optical recording medium. The electronic controller is operatively coupled to the dynamic digital hologram and configured to control the irradiance directed from each of the holographic zones. The scanning mechanism is configured to change a relative positioning of the laser versus the dynamic digital hologram so that each of the holographic zones is irradiated in sequence by the laser.