A system and method for generating compact light-field displays through varying optical depths provides digital content in a more effective and efficient manner. The system includes a field-evolving cavity with a cavity exit pupil, a relay mechanism, and a system enclosure with an enclosure exit pupil. The field-evolving cavity modifies the light-field displays before outputting the light-field displays with the cavity exit pupil. More specifically, the field-evolving cavity includes at least one display panel, which initially generates the light-field displays, and at least one optical-tuning mechanism, which subsequently modifies the light-field displays to varying optical depths. The system enclosure houses the field-evolving cavity and the relay mechanism. The relay mechanism directs the light-field displays from the cavity exit pupil to the enclosure exit pupil, which outputs the light-field displays to a user.

A near-eye display apparatus is disclosed. The near-eye display apparatus includes a lens and an optical path folding assembly. The lens is configured to receive incident light of a first image, which is projected by a micro-display, and shape the first image; the lens includes a primary optical axis and a first lens face and a second lens face which are opposed in a first direction where the primary optical axis of the lens is positioned, and both the first lens face and the second lens face are aspheric surfaces; and the optical path folding assembly is configured to receive light of the first image shaped by the lens and fold an optical path from the lens to an exit pupil of the near-eye display apparatus. By adopting the bi-aspherical lens, image quality of the near-eye display apparatus can be improved and the volume can be reduced.

Aspects of the present disclosure relate to haptic feedback systems and methods for use in head-worn computing systems. A head worn computer includes a frame adapted to hold a computer display in front of a user's eye, a processor adapted to present digital content in the computer display and to produce a haptic signal in coordination with the digital content display, and a haptic system including a plurality of haptic segments, wherein each of the haptic segments is individually controlled in coordination with the haptic signal.

A wearable display device according to an embodiment may comprise: a first prism, positioned in front of a user's eye, for controlling the path of an incident light and enabling the arrival of a virtual image to be displayed on the eye; a second prism, coupled to the first prism, for reducing distortion of a real image arriving at the user's eye; and a coating layer which is interposed between the first prism and the second prism and of which the brightness is controlled in inverse proportion to the ambient brightness, such that the visibility of the virtual image increases.

An electro-optic receiver includes a polarization splitter and rotator (PSR) that directs incoming light having a first polarization through a first end of an optical waveguide, and that rotates incoming light from a second polarization to the first polarization to create polarization-rotated light that is directed to a second end of the optical waveguide. The incoming light of the first polarization and the polarization-rotated light travel through the optical waveguide in opposite directions. A plurality of ring resonators is optically coupled the optical waveguide. Each ring resonator is configured to operate at a respective resonant wavelength, such that the incoming light of the first polarization having the respective resonant wavelength optically couples into said ring resonator in a first propagation direction, and such that the polarization-rotated light having the respective resonant wavelength optically couples into said ring resonator in a second propagation direction opposite the first propagation direction.

An optical coherence tomography (OCT) system using partial mirrors is generally described. In an example, the OCT system includes a swept light source. The system further includes an interferometer into which light from the light source is directed and a detector configured to produce an imaging sample signal based on light received from the interferometer. The system also includes a partial mirror disposed over an aperture, wherein the partial mirror is configured to transmit light within a first wavelength range and reflect light within a second wavelength range.

An optical device includes a light source configured to provide illumination light and a waveguide. The waveguide has an input surface, an output surface distinct from and non-parallel to the input surface, and an output coupler. The waveguide is configured to receive, at the input surface, the illumination light provided by the light source and propagate the illumination light via total internal reflection. The waveguide is also configured to redirect, by the output coupler, the illumination light so that the illumination light is output from the output surface for illuminating a spatial light modulator.

A display system for realizing concentric light field with monocular-to-binocular hybridization, and methods thereof. At least some embodiments include a display arranged to emit or transmit light rays based on image content from a content engine, and an optical subsystem arranged to configure the light rays into a concentric light field. The concentric light field provides a virtual image in a large, contiguous spatial region, such that each eye of the human viewer can detect monocular depth from the light field, to provide a large field of view.

An imaging element (100) includes a pixel array (110) in which pixels (130) are placed in a two-dimensional array, the pixel including a photoelectric conversion element; and a polarization-wavelength separation lens array (120) opposed to the pixel array (110), the polarization-wavelength separation lens array (120) including polarization-wavelength separation lens (160) placed in a two-dimensional array, the polarization-wavelength separation lens (160) including a plurality of microstructures for condensing incident light at different positions on the pixel array (110) according to the polarization direction and wavelength components of the incident light.

The invention relates to a device (10) for amplifying a laser pulse which comprises a divider section (14) for dividing the laser pulse into multiple sub pulses (43) and for introducing a time delay between the sub pulses (43), a compressor section (15) for compressing the temporally divided sub pulses (43) and a combiner section (17) for combining the compressed sub pulses (44) to one compressed laser pulse (45).