Abstract: A camera module includes a support structure having an internal space, a movable body disposed in the internal space of the support structure, and a plurality of driving wires supporting the movable body in the internal space of the support structure and configured to move the movable body relative to the support structure, each of the driving wires being made of a shape-memory alloy and having one end connected to the support structure, and another end connected to the movable body. An angle between the movable body and each of the driving wire is maintained at 15.5° or less at all positions to which the movable body is movable by the driving wires.

Abstract: To make it possible to restrain generation of chipping or cracking in a substrate of a laminated lens structure. A laminated lens structure includes substrates with lens which each have a lens disposed inside a through-hole formed in the substrate and which are laminated on one another by direct bonding, in which the substrates are each provided in the vicinity of the outer circumference thereof with through grooves penetrating the substrate. The present technology is applicable, for example, to a compound eye camera module.

Abstract: An imaging optical system includes a primary reflecting mirror, a secondary reflecting mirror, a tertiary reflecting mirror, and an aperture stop. The imaging optical system has a field of view, a focal length of the field of view that is defined as FFL, and an effective aperture of a field of view entrance pupil that is defined as FEPD. The FFL and the FEPD at a central field of view are greater than that at the edge field of views, and the FFL and the FEPD change continuously.

Abstract: An optical element comprising a body having a surface, wherein the surface has a plurality of regions periodically arranged in a tessellation, and wherein each region of the plurality of regions has a random spatial distribution of microstructures is disclosed. An optical system comprises a light source; and the optical element is also disclosed. Methods of making and using the optical element and the optical system are also disclosed.

Abstract: An ophthalmic lens operable to protect the eye from harmful ultraviolet and high energy visible wavelengths of light and methods for producing the same.

Abstract: A compact, uniaxially-aligned series of lenses are shaped and coated to allow coaxial viewing of two different fields of view on the same focal-plane array by selecting a type of light. The selection can be, for example, by spectrum or polarization. Zonal coatings on the lens surfaces permit for a catadioptric narrow field-of-view light path. The lens assembly accomplishes simultaneous dual field-of-view in a durable package without respective motion of optical elements, without substantial gaps between the lenses, and at lower cost than other assemblies.

Abstract: An optical coating structure applied to the surface of an object having scattering structures introduced to the basal, upper or middle layers of a multilayer reflector to cause a particular (calculated) degree of scattering, or to the surface of a black/colour pigmented object. The scattering structures are mainly sub-micron in size, and arranged in a pseudo-random or non-periodic manner. Consequently they serve only to broaden the angular range of the light reflected at the surface normal from a multilayer reflector, or to provide (actual and/or perceived) reduced reflectivity of a surface by deflecting incident light through the surface rather than away from it or by scattering otherwise beam-like (narrow-angle) reflections from a surface into a broad-angle reflection. The scattering structures can include profile elements, which are in the form of elongate bars having convexly curved sides or hemispherical rods, that are introduced to a basal layer of a multilayer reflector.

Abstract: An optical system is arranged on an object side relative to a first optical portion, the first optical portion including a plurality of lens portions each configured to form an image of an object, and a plurality of filters corresponding to the plurality of lens portions, and the optical system includes a second optical portion including an optical surface common to the plurality of lens portions, wherein the following conditional expression is satisfied: 1 2 × arctan ? { 2 × tan ? ? ? ? ? 1 - ? ? ? h ? ? 1 D ? ? 1 1 - tan ? ? ? ? ? 1 × ( tan ? ? ? ? ? 1 - ? ? ? h ? ? 1 D ? ? 1 ) } < ? ? ? 1.

Abstract: Eyewear is provided including a frame, and a camera connected with the frame, in which the camera is configured to be controlled by a remote controller. The camera may be configured to capture video and/or a photo. The eyewear may include data storage, and the camera may be connected to the data storage. A wrist watch may be configured to act both as a time piece and a controller of the camera. The eyewear may also include a heads up display and/or a video file player. The eyewear may also include an electro-active lens.

Abstract: An optical device is disclosed. The optical device has 1) a phase modulation layer, 2) a partially reflective layer, and 3) a phase compensation layer. When incident lights pass through the phase modulation layer, the partially reflective layer reflects and scatters the light back to the viewers. The direction and profile of the reflected light are determined by the phase modulation profile. When light passes through both the phase modulation layer and the phase compensation layer, its phase modulation is compensated to a substantially small level. Therefore, the transparent light passes through the optical device just like passing through a parallel transparent substrate without any disturbance.

Abstract: A lens for headlamps of vehicles provided with a diffraction grating on a surface, wherein a phase function of the diffraction grating is represented by ? ? ( r ) = ? i = 1 N ? ? ? 2 ? i ? r 2 ? i where r represents distance from the central axis of the lens, and the relationship |?2|·(0.3R)2<|?4|·(0.3R)4 is satisfied where R represents effective radius of the lens, and wherein a second derivative of the phase function has at least one extreme value and at least one point of inflection where r is greater than 30% of R, a difference in spherical aberration between the maximum value and the minimum value at any value of r in 0?r?R is equal to or less than the longitudinal chromatic aberration for visible light, the diffraction grating is at least partially on the surface where r is greater than 30%, and the relationship 1 < ? ? ? ( R ) R 2 ? < 10 is satisfied.

Abstract: Methods and systems for projecting wave fields use a diffusing medium, a wavefront shaper, an illumination source, and a control system. A system for projecting an object wave field into a projection volume includes a wave scatterer, a wave field projector configured to project a wave field onto the wave scatterer, and a controller coupled to the wave field projector. The controller is configured to cause the wave field projector to project a wave field that, upon interacting with the wave scatterer, is redirected to form an object wave field that forms a predetermined pattern in the projection volume.

Abstract: The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens satisfies following conditions: 62.00<R7/f4<70.00; 0.10<R1/R2<0.40; and ?0.50<R3/R4<?0.30, where f4 denotes a focal length of the fourth lens; R1 denotes a curvature radius of an object side surface of the first lens; R2 denotes a curvature radius of an image side surface of the first lens; R3 denotes a curvature radius of an object side surface of the second lens; R4 denotes a curvature radius of an image side surface of the second lens; and R7 denotes a curvature radius of an object side surface of the fourth lens.

Abstract: Before an observation region of the imaging optical system reaches an observation position in a culture container, a vertical position of the culture container at the observation position is precedently detected by an auto-focus displacement sensor. In a case where an auto-focus control is performed on the basis of the position, an error between the precedently detected vertical position of the container at the observation position and a vertical position of the container at a time point when an observation region of the imaging optical system is scanned up to the observation position is acquired, and an objective lens is moved in an optical axis direction on the basis of the error.

Abstract: Some embodiments provide a lens including a lens body and an optical filter configured to attenuate visible light in a plurality of spectral bands. Each of the plurality of spectral bands can include an absorptance peak with a spectral bandwidth, a maximum absorptance, and an integrated absorptance peak area within the spectral bandwidth. An attenuation factor obtained by dividing the integrated absorptance peak area within the spectral bandwidth by the spectral bandwidth of the absorptance peak can be greater than or equal to about 0.8 for the absorptance peak in each of the plurality of spectral bands.

Abstract: The invention relates to a holographic display device for representing a two-dimensional and/or three-dimensional scene. The holographic display device comprises at least one spatial light modulator device and an optical component. The at least one spatial light modulator device is provided in order to reconstruct the scene and in order to generate at least one virtual visibility region in an observer plane. The optical component is configured with at least two regions that have a different transparency to one another, the value of the transparency respectively lying between 0 and 1. Furthermore, the optical component is arranged in the display device in such a way that it provides filtering, to be carried out at least partially, of a diffraction order spot in at least one diffraction order inside the virtual visibility region.

Abstract: A diffractive optical element having, on a surface of a transparent substrate, a plurality of types of regions which provide different phase modulation to an incident light, wherein each of the regions has a microstructure formed with concave and convex portions of which sizes are smaller than the wavelength of the incident light, and wherein in the microstructure, a ratio of the width of the convex portion and the width of the concave portion in the concave and convex portions and the depth of the concave portion are different for each type of region.

Abstract: A temperature detection section detects the temperature of an imaging lens. A control section sets a focal point change correction amount for a distance from the imaging lens to an imaging surface of an imaging element, on the basis of the temperature at the time of focusing and the current temperature that are detected by the temperature detection section, and a signal reading range according to an imaging mode on the imaging surface of the imaging element where a subject optical image is formed by the imaging lens. A distance adjustment section performs an adjustment according to the focal point change correction amount set by the control section, on the distance from the imaging lens to the imaging surface at the time of focusing. Obtain a picked-up image restrained from being lowered in resolution, irrespectively of the temperature change of the imaging lens or switching of the imaging mode.

Abstract: An ophthalmic device includes a rigid insert and an enclosure enveloping the rigid insert. The enclosure includes a cornea contact formed on a concave side of the enclosure. The cornea contact has a ring-shape that protrudes from the concave side of the enclosure and is disposed under at least a portion of the rigid insert. The ring-shape of the cornea contact includes a plurality of discontinuous sections. The plurality of channels are disposed on the concave side of the enclosure and each extend through a corresponding one of the discontinuous sections of the cornea contact.

Abstract: There is provided a lens piece and a lens assembly as well as an imaging device including the same. The lens assembly includes the lens piece and a lens barrel. The lens piece has a wing extending transversely from a lens sidewall. The lens barrel carries the lens piece, and includes a reservoir corresponding to the wing of the lens piece for containing adhesive.