Optical combiners are provided. The optical combiner may have a see through optically transparent substrate and a patterned region included in the optically transparent substrate and disposed along a wave propagation axis of the substrate. The patterned region may be partially optically reflective and partially optically transparent. The patterned region may comprise a plurality of optically transparent regions of the optically transparent substrate and a plurality of optically reflective regions inclined relative to the optical transparent substrate wave propagation axis. Augmented reality optical apparatus, such a head up display, may include the optical combiner.

Optical combiners are provided. The optical combiner may have a see through optically transparent substrate and a patterned region included in the optically transparent substrate and disposed along a wave propagation axis of the substrate. The patterned region may be partially optically reflective and partially optically transparent. The patterned region may comprise a plurality of optically transparent regions of the optically transparent substrate and a plurality of optically reflective regions inclined relative to the optical transparent substrate wave propagation axis. Augmented reality optical apparatus, such a head up display, may include the optical combiner.

There is provided a laser light irradiating device that includes a spatial light modulator configured to modulate laser light output from a laser light source according to a phase pattern and emit the modulated laser light, an objective lens configured to converge the laser light emitted from the spatial light modulator onto the object, a focusing lens arranged between the spatial light modulator and the objective lens in an optical path of the laser light and configured to focus the laser light, and a slit member arranged at a focal position on a rear side of the focusing lens in the optical path of the laser light and configured to block a part of the laser light.

A method which may be used for forming an optical effect coating for a light transmission element configured to form a part of a cover of a device is disclosed. The method comprises: printing a first coating layer having a plurality of adjacent first elongated micro openings extending in a first direction in an aperture area, and printing a second coating layer having a plurality of adjacent second elongated micro openings extending in a second direction, the second direction differing from the first direction, in the aperture area. Thereby, an optical effect coating is formed, comprising micro holes formed at intersections of the first and the second elongated micro openings, the micro holes producing locally increased effective light transmittance through the optical effect coating in the aperture area.

A motorized correction collar system includes: an attachment portion; a control unit that controls transmission of force to a correction collar ring of a first objective lens attached to the attachment portion; and a storage unit that stores calibration information at least for each type of objective lens with a correction collar. The control unit acquires calibration information corresponding to the first objective lens from among the calibration information stored in the storage unit, and calibrates the correction collar of the first objective lens based on the calibration information.

Optical combiners are provided. The optical combiner may have a see through optically transparent substrate and a patterned region included in the optically transparent substrate and disposed along a wave propagation axis of the substrate. The patterned region may be partially optically reflective and partially optically transparent. The patterned region may comprise a plurality of optically transparent regions of the optically transparent substrate and a plurality of optically reflective regions inclined relative to the optical transparent substrate wave propagation axis. Augmented reality optical apparatus, such a head up display, may include the optical combiner.

A beamsplitter includes a substrate formed from a material transparent to wavelengths of light at least above a selected cutoff wavelength and reflective structures distributed across a surface of the substrate. The reflective structures split incident light having wavelengths above the selected cutoff wavelength into a reflected beam formed from portions of the incident light reflected from the reflective structures and a transmitted beam formed from portions of the incident light transmitted through the substrate. A splitting ratio of a power of the reflected beam to a power of the transmitted beam is based on a ratio of surface area of the reflective surfaces to an area of the incident light on the substrate. Separation distances between neighboring reflective structures are smaller than the cutoff wavelength such that diffracted power of the incident light having wavelengths above the selected cutoff wavelength is maintained below a selected tolerance.

An optical device including: a display device configured to display an image; and a lens including a plurality of reflectors that reflect the image from the display device to a first surface of the lens, wherein the plurality of reflectors include: a first reflector; and a second reflector having a size different from a size of the first reflector.

An illumination apparatus includes first and second laser light source units, each of which is configured by juxtaposing a plurality of laser light sources in an array, and which are provided to oppose each other. The illumination apparatus further includes first and second reflecting members. The second reflecting member has a first gap and is divided into first and second reflecting portions, and the first reflecting member is disposed so as to pass through the first gap. A second outgoing light beam transmitted through a transmitting region of the first reflecting member and a fourth outgoing light beam transmitted through a transmitting region of the second reflecting member are reflected in an output light direction by a reflecting region of the second reflecting member and a reflecting region of the first reflecting member, respectively.

Optical combiners are provided. The optical combiner may have a see through optically transparent substrate and a patterned region included in the optically transparent substrate and disposed along a wave propagation axis of the substrate. The patterned region may be partially optically reflective and partially optically transparent. The patterned region may comprise a plurality of optically transparent regions of the optically transparent substrate and a plurality of optically reflective regions inclined relative to the optical transparent substrate wave propagation axis. Augmented reality optical apparatus, such a head up display, may include the optical combiner.