An image display device of the present disclosure includes: a first optical unit configured to change a traveling direction of an optical path by refracting light from a display element; a second optical unit to which the light refracted by the first optical unit enters; and a control unit configured to set a timing to change the traveling direction of the optical path to a state that is different among a plurality of regions, which are determined by dividing a display region of the display element in a scanning direction by controlling a distance between the first optical unit and the second optical unit so as to correspond to each of the plurality of regions.

A system for high resolution multiphoton excitation microscopy is described herein. In one embodiment, the system may include an electrowetting on dielectric (EWOD) prism optically coupled to an excitation source, the EWOD prism adapted or configured to: receive a light beam from the excitation source, and project the received light beam onto a sample plane based on a tunable transmission angle of the EWOD prism, and a fluorescence imaging microscope adapted or configured to: receive a fluorescence signal from the sample plane based on the projected light beam, and relay the fluorescence signal from the sample plane to a set of detectors.

The invention discloses a selectable offset image wedge assembly and various methods for making and for use with any optical system having a circular lens and an objective, comprising a housing with a rear-facing end that mounts onto the objective and a forward-facing end with a circular wedge lens mounted therein that is coaxially aligned with the circular lens of the optical system, wherein, the wedge is adjustable to any predetermined clocking position after detachment from the optical system, allowing quick and repeated reattachment to the optical system to an approximately exact vertical orientation of a first image produced by the wedge lens and a second image produced by the circular lens of the optical system.

The systems and methods provided herein are directed to a flight motion simulator. The target axes are replaced by a system of Risley pairs. Light is projected to the unit under testing at a range of angles by rotating elements within the Risley pairs.

A point cloud information generating system or the like is provided that can easily and speedily generate point cloud information regarding a desired object. The point cloud information generating system includes a point cloud information generating device that generates three-dimensional point cloud information on an object, and a XR generating device that is wearable by a user. The XR generating device includes an image-capturing part that acquires image-capturing information in accordance with at least a line of sight of the user, and a display part that displays the image-capturing information. Three-dimensional point cloud information is generated, on the basis of execution instruction information regarding the object displayed on the display part, for the object specified by the point cloud information generating device in the execution instruction information.

A plurality of waveguide display substrates, each waveguide display substrate having a cylindrical portion having a diameter and a planar surface, a curved portion opposite the planar surface defining a nonlinear change in thickness across the substrate and having a maximum height D with respect to the cylindrical portion, and a wedge portion between the cylindrical portion and the curved portion defining a linear change in thickness across the substrate and having a maximum height W with respect to the cylindrical portion. A target maximum height D.sub.t of the curved portion is 10.sup.-7 to 10.sup.-6 times the diameter, D is between about 70% and about 130% of D.sub.t, and W is less than about 30% of D.sub.t.

An example system includes a first steering lens positioned between an EM source and a second steering lens, and the second steering lens positioned between the first steering lens and an emission lens. The example system includes the first and second steering lenses having a combined first effective focal length, and where the emission lens is a positive lens have a second focal length. The example system includes the first effective focal length being shorter than the second focal length. The example system includes a first steering actuator that move the first steering lens along a first movement course, and a second steering actuator that moves the second steering lens along a second movement course.

A LiDAR system includes a light source to emit pulsed laser light beams, a scanning optical assembly to direct the pulsed laser light beams to scan an environment for detecting one or more objects therein, and a receiver to receive, via the scanning optical assembly, return light beams reflected by the one or more objects. The scanning optical assembly includes a first optical element rotatable about a first axis and to receive a light beam at a first surface thereof and refract the light beam by a second surface thereof at which the light beam exits the first optical element, and a second optical element spaced from the first optical element and rotatable about a second axis. The second optical element includes a reflective surface to reflect the light beam to the environment and a refractive surface to refract the light beam to the reflective surface.

Embodiments of the disclosure provide systems and methods for an optical sensing system steering optical beams with a wedge prism. An exemplary system may include a scanner configured to steer an emitted optical beam towards an object. The system may further include a wedge prism configured to receive an optical beam returned from the object and refract the returned optical beam towards the scanner. The scanner is further configured to steer the refracted optical beam to form a receiving optical beam in a direction non-parallel to the emitted optical beam.

An example system includes a first steering layer interposed between an electromagnetic (EM) source and an emission lens. The first steering layer includes a triplet lens having a Plano-convex lens, a Plano-concave lens, and an electro-optical (EO) crystal positioned between the lenses. The EO crystal includes transparent electrodes on each side, coupled to the respective lenslet and/or the EO crystal. The system includes the EM source providing an incident EM beam on the first steering layer, and the emission lens emitting a steered EM beam to a target location.