Abstract: A light-emitting cable structure includes a light-emitting cable, a first circuit board, second circuit board, at least one light-emitting module and a covering casing. By placing a plurality of signal groups in the light-emitting cable below a plurality of optical fibers in the light-emitting cable for a certain distance and placing the signal groups outside the vertical projection of the optical fibers towards the signal groups, the light in the optical fibers is allowed to be emitted by the vertical projection, so that users can observe the light transmitted in the optical fibers from all sides of the light-emitting cable structure, which greatly increases the attractiveness of the product to consumers.

Abstract: An optical cable includes an outer sheath, a main optical fiber, and at least two strength member. The main optical fiber and the at least two strength members are inside the outer sheath. The main optical fiber and the at least two strength members have a same extension direction. The at least two strength members are spaced apart on an outer periphery of the main optical fiber. At least one strength member of the at least two strength members is an auxiliary optical fiber.

Abstract: A cabinet includes a first compartment coupled to a second compartment with a sealed cable port arrangement separating the two compartments. The second compartment is more robustly sealed than the first compartment. A sealed splice enclosure is disposed in the first compartment. The splice enclosure is more robustly sealed against water intrusion than the second compartment.

Abstract: A telecommunications assembly includes a chassis defining an interior region and a tray assembly disposed in the interior region. The tray assembly includes a tray and a cable spool assembly. The cable spool assembly is engaged to a base panel of the tray. The cable spool assembly is adapted to rotate relative to the tray. The cable spool assembly includes a hub, a flange engaged to the hub and an adapter module. The flange defines a termination area. The adapter module is engaged to the termination module of the flange. The adapter module is adapted to slide relative to the flange in a direction that is generally parallel to the flange between an extended position and a retracted position.

Abstract: The present invention relates to an apparatus for controlling microorganism load on or near a medical infusion line. The apparatus comprises an electronic illuminator, including a light emitting diode (LED) that emits light radiation at a wavelength of 100 nm to 400 nm, and a lens for directing light from the LED. Additionally, a side emitting fiber optic line, equipped with a protective end cap, is attached to the electronic illuminator at the lens. The side emitting fiber optic line is configured to the medical infusion line. This apparatus effectively controls the microorganism load by emitting light radiation in the specified wavelength range, thereby reducing the risk of contamination and infection in medical infusion procedures.

Abstract: A head-mounted device may include optical assemblies for presenting images to a user. Motors may be used to adjust the spacing between the optical assemblies to accommodate different interpupillary distances. The head-mounted device may have a housing that receives a custom-fit removable light seal with vision correction lenses. A sensor or wireless transceiver in the housing may receive interpupillary distance information from the light seal. Based on this information, the motors may adjust the optical assemblies so that the optical assemblies are spaced apart by an amount that matches the interpupillary distance associated with the user of the custom-fit removable light seal.

Abstract: A head-mounted device may have a head-mounted housing. Optical components may be supported by the head-mounted housing. The optical components may include cameras such as front-facing cameras and/or movable optical modules that have displays for displaying images to eye boxes. Sensors may be provided in the head-mounted device to detect changes in orientation between respective optical modules, between respective portions of a chassis, display cover layer, or other head-mounted support structure in the housing, between optical components such as cameras, and/or between optical components and housing structures. Information from these sensors can be used to measure image misalignment such as image misalignment associated with misaligned cameras or misalignment between optical module images and corresponding eye boxes.

Abstract: A head-mounted display device and an external adjustment module are provided. The head-mounted display device includes a body and the external adjustment module. The body has a first lens and a second lens corresponding to both eyes, and also has a driven mechanism. The first lens and the second lens are respectively coupled to the driven mechanism. The external adjustment module includes a driving element and a transmission element. The transmission element is assembled to the driving element and used for coupling to the driven mechanism. The driving element is used for driving the driven mechanism through the transmission element to adjust a distance between the first lens and the second lens.

Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion used for connecting an optical element, a fixed portion, and a driving assembly used for driving the movable portion to move relative to the fixed portion. The movable portion is movable relative to the fixed portion.

Abstract: Electronic devices such as head-mounted electronic devices may include displays for presenting images to users. To accommodate variations in the interpupillary distances associated with different users, a head-mounted device may have left-eye and right-eye optical modules that move with respect to each other. To hide internal structures from view, the rear of a head-mounted device may be provided with a cover. The cover may have a stretchable layer that is coupled to a frame. Openings in the stretchable layer may be aligned with the optical modules.

Abstract: An optical lens assembly includes a stop and includes, in order from an object side to an image side: a first lens, a second lens, a third lens, a fourth lens and a fifth lens. A focal length of the second lens is f2, a focal length of the third lens is f3, a focal length of the fourth lens is f4, a curvature radius of the object-side surface of the third lens is R5, a curvature radius of the object-side surface of the fourth lens is R7, a distance from the object-side surface of the first lens to the image plane along the optical axis is TL, and the following conditions are satisfied: 50.7<f3*R7/TL<378.7 and ?1375.8<(f2/f4)*R5<?21.

Abstract: The present invention relates to a lens optical system including a first lens, a second lens, a third lens, a fourth lens, and a fifth lens that are sequentially arranged from an object side to an image side, in which the first lens has positive refractive power and the second lens has negative refractive power.

Abstract: An optical imaging lens includes six lens elements. The object-side surface of the first lens element has a convex part in a vicinity of the periphery of the first lens element, the image-side surface of the second lens element has a concave part in a vicinity of the periphery of the first lens element, the object-side surface of the third lens element has a convex part in a vicinity of the optical axis, the image-side surface of the fourth lens element has a convex part in a vicinity of the periphery of the fourth lens element, the image-side surface of the fifth lens element has a concave part in a vicinity of the optical axis, and the sixth lens element has negative refractive power.

Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens, disposed in order from an object side to an imaging plane. One or any combination of the first lens to the seventh lens are formed of glass. One or both surfaces of one or more of the first lens to the seventh lens are aspherical. A pair of lenses, among the first lens to the seventh lens, allows paraxial areas opposing each other to be bonded to each other.

Abstract: An optical lens assembly includes five lens elements and provides a TTL/EFL<1.0. In an embodiment, the focal length of the first lens element f1<TTL/2, an air gap between first and second lens elements is smaller than half the second lens element thickness, an air gap between the third and fourth lens elements is greater than TTL/5 and an air gap between the fourth and fifth lens elements is smaller than about 1.5 times the fifth lens element thickness. All lens elements may be aspheric.

Abstract: A zoom camera comprising an optical path folding element (OPFE) for folding the light from a first optical path to a second optical path, a first lens having a first optical axis and a first effective focal length EFLL1, the first optical axis being along the second optical path, a collimating lens having a second optical axis, and an image sensor located on the second optical path, wherein the collimating lens is movable between at least a first state and a second state, wherein in the first state the collimating lens is positioned in the second optical path between the OPFE and the first lens such that light entering the first lens arrives only from the image side of the collimating lens, and wherein in the second state the collimating lens is positioned outside the first optical path such that light entering the first lens does not arrive from the image side of the collimating lens.

Abstract: An optical imaging system includes a reflective member having a reflective surface for changing an optical path of light, a first lens having positive refractive power, a second lens having negative refractive power, a third lens, a fourth lens, and a fifth lens. The first lens to the fifth lens are sequentially disposed along an optical axis from an object side and are each disposed closer to an image sensor than the reflective member. The optical imaging system satisfies 0.2 mm<C1.0<0.3 mm, where C1.0 is a distance by which the image sensor moves in a direction perpendicular to the optical axis with respect to a shake amount of 1.0° measured by a shake detection unit.

Abstract: A four-lens optical system is provided which is capable of minimizing a total length of an optical system while having a high numerical aperture (NA), and, more particularly, to an optical system including a first lens, a second lens, a third lens, and a fourth lens that are sequentially arranged from an object side to an image side of the four-lens optical system, in which the first lens and the second lens continuously disposed in front of the optical system are each configured to have positive refractive power and in which the first lens is a lens is made of a plastic material, and the fourth lens is a lens made of a glass material.

Abstract: An imaging lens includes a positive first lens group and a second lens group, which are continuous in order from the position closest to the object side, as lens groups. During focusing, the distance between the first lens group and the second lens group changes. A stop is disposed closer to the image side than a lens which is second from the object side. A combined refractive power of all lenses closer to the object side than the stop is positive. The imaging lens includes an LA positive lens and an LB positive lens that satisfy a predetermined conditional expression at a position closer to the object side than the stop. An Abbe number of the LB positive lens is the maximum among Abbe numbers of all positive lenses closer to the object side than the stop.

Abstract: A zoom lens includes, in order from an object side to an image side, a first lens unit having negative refractive power, a second lens unit having positive refractive power, and a rear group including one or more lens units. The first lens unit does not move during zooming, and distances between adjacent lens units change during zooming. The first lens unit includes two or more negative lenses. A predetermined condition is satisfied.

Abstract: A variable magnification optical system comprising, in order from an object side, a first lens group having positive refractive power, a second lens group having negative refractive power, a third lens group having positive refractive power, and a rear lens group having negative refractive power; upon varying a magnification from a wide angle end state to a tele photo end state, a distance between the first lens group and the second lens group being varied, a distance between the second lens group and the third lens group being varied, and a distance between the third lens group and the rear lens group being varied; the third lens group or the rear lens group comprising a focusing lens group which is moved upon carrying out focusing from an infinitely distant object to a closely distant object; and predetermined conditional expression(s) being satisfied, thereby various aberrations being corrected superbly.

Abstract: A surgical microscope system of the present disclosure includes an imaging unit including an observation optical system configured using a plurality of optical members including an objective lens and an imaging element that captures a subject image formed by the observation optical system, and an illumination unit including a light source unit that emits light and an illumination optical system that guides the light emitted by the light source unit. The illumination optical system forms an illumination optical path independent of an observation optical path formed by the observation optical system. The illumination optical path intersects with the observation optical path on a subject side with respect to the objective lens.

Abstract: A microscope, a method, and a system are provided. A system includes a first optical system, a second optical system, and one or more processors. The first optical system is configured to generate an optical phase signal associated with a first image of a sample in a first field of view. The second optical system is configured to generate a polarized signal associated with a second image of the sample in a second field of view. The one or more processors is configured to generate a co-registered phase and polarization information map based on the optical phase signal and the polarized signal. The first field of view is the same as the second field of view. The first image and the second image are captured sequentially.

Abstract: Provided is an efficient method for attaching a tissue section. In the invention, one of problems is solved by changing attachment conditions of the tissue section depending on an organ from which the tissue section is derived. A technique of achieving good adhesiveness between a microscope slide and a section by introducing unevenness on a front surface of the microscope slide using reactive ion etching as one of the attachment conditions is provided. Further, a technique of optimizing the attachment of the section using a machine learning technique or the like is provided.

Abstract: Provided herein are microscope surveillance systems and methods. In particular, provided herein are modular, multi-functional microscope surveillance systems and methods suitable for use in incubators and other environments.

Abstract: A microscopy system includes a tracking camera for pose detection of a marker, a device configured to determine a working distance, a movable optical element, the pose of which can be changed to set a capture region of the tracking camera and/or at least two tracking illumination devices, at least one optical element for beam guidance of the radiation generated by the tracking illumination devices, and a controller configured to control the movable optical element and/or the tracking illumination devices, in which the pose of the movable optical element can be set based on the working distance and/or in which an operating mode and/or an illumination region of the tracking illumination devices can be set based on the working distance. In addition, a method for operating a microscopy system is provided.

Abstract: The disclosure relates to a viewing optic. In one embodiment, the disclosure relates to a viewing optic having an integrated display system. In one embodiment, the disclosure relates to a viewing optic having an integrated display system for generating images that are projected into the first focal plane of an optical system.

Abstract: A micromirror assembly comprises a first position-limiting part, a micromirror chip, and a second position-limiting part that are stacked. The micromirror chip includes a fastening frame, a movable part, and a first cantilever, where the movable part is connected to the fastening frame by the first cantilever. The first position-limiting part and the second position-limiting part are separately connected to the fastening frame, the first position-limiting part and the second position-limiting part have a hollow area, and the hollow areas are opposite to the movable part. The first position-limiting part and the second position-limiting part are configured to absorb shock from a collision with the micromirror chip, and a projection of a collision part of the first position-limiting part on the micromirror chip intersects with a central axis of the first cantilever.

Abstract: A scanning optical device includes a semiconductor laser, a coupling lens, a polygon mirror, a motor circuit board, a cable harness, and a scanning optical system. The semiconductor laser is configured to emit light. The coupling lens is configured to convert the light emitted by the semiconductor laser into a light beam. The polygon mirror is configured to deflect the light beam converted by the coupling lens. The motor circuit board includes a motor configured to rotate the polygon mirror. The cable harness is configured to supply signals to the motor circuit board. The scanning optical system is configured to receive the light beam from the polygon mirror and to form an image on an image surface. The cable harness overlaps the light beam directed from the coupling lens toward the polygon mirror when viewed from an axial direction of a rotation axis of the polygon mirror.

Abstract: A scanning optical system receives a light beam deflected by an optical deflector and forms an image on an image surface. A window member transmits the light beam deflected by the optical deflector. An optical sensor detects the light beam that passes through the window member. A frame has a mount surface on which the optical deflector is mounted. The frame includes a first wall having a first opening and a second opening. The light beam directed from the optical deflector toward the scanning optical system passes through the first opening. The light beam directed from the optical deflector toward the optical sensor passes through the second opening. The first opening is closed by a closest scanning lens to the optical deflector in the scanning optical system. The second opening is closed by the window member.

Abstract: A picture generation system includes a plurality of red-green-blue (RGB) light transmitters configured to synchronously generate respective pixel light beams and transmit the respective pixel light beams along respective transmission paths to be projected into a full field of view (FOV). The full FOV is divided into a plurality of FOV sections that are respectively paired with a different one of the plurality of RGB light transmitters such that each of the plurality of RGB light transmitters transmits light into a respective area defined by its respective FOV section. The picture generation system further includes a scanning system arranged on each of the respective transmission paths of the plurality of RGB light transmitter. The scanning system includes a scanning structure that enables the scanning system to simultaneously steer the respective pixel light beams into the plurality of FOV sections.

Abstract: Disclosed herein is an optical device for augmented reality capable of providing an expanded eyebox through polarization. The optical device for augmented reality includes: an image output unit configured to output a first virtual image light polarized in a first direction and a second virtual image light polarized in a second direction; an optical means configured to transmit real object image light therethrough to the pupil of an eye of a user; a first optical element disposed in the optical means, and configured to provide a first virtual image by transferring only the first one of the first and second virtual image lights to the pupil of the user; and a second optical element disposed in the optical means, and configured to provide a second virtual image by transferring only the second one of the first and second virtual image lights to the pupil of the user.

Abstract: A head-up display is configured to project an image on a transparent reflection member to cause an observer to visually recognize a virtual image, and includes a display device configured to display the image, and a projection optical system configured to project the image displayed by the display device as the virtual image for the observer. The projection optical system is configured to form an image as an intermediate image, and includes a first lens configured to condense light, and a first optical element configured to diffuse light. The first lens and the first optical element are disposed in this order along an optical path from the display device. The first lens is inclined with respect to a reference beam which is defined as a beam reaching a center of a viewpoint region of the observer and corresponding to a center of the virtual image.

Abstract: In a linked display system in which wireless communication connection between a first information device and a second information device has been established, when the first information device transmits text data to the second information device in a state of displaying content containing the text data and image data, the second information device displays the text data while the first information device stops displaying the text data and enlarges and displays the image data.

Abstract: A control apparatus is configured to control a display apparatus for displaying a partial image based on a partial area of an omnidirectional image or hemispherical image on a display surface. The control apparatus includes a memory storing instructions; and a processor configured to execute the instructions to generate the partial image by performing transformation processing for the partial area of the omnidirectional image or hemispherical image, detect a first position of a line of sight of a user on the display surface, and generate a first partial image based on the first position and display the first partial image on the display surface in a case where the first position is located within a predetermined area for a predetermined duration.

Abstract: Method and devices for creating a sedentary virtual-reality system are provided. A user interface is provided that allows for the intuitive navigation of the sedentary virtual-reality system based on the position of the users head. The sedentary virtual-reality system can render a desktop computing environment. The user can switch the virtual-reality system into an augmented reality viewing mode or a real-world viewing mode that allow the user to control and manipulate the rendered sedentary environment. The modes can also change to allow the user greater situational awareness and a longer duration of use.

Abstract: A glasses-type wearable information device transfers, when a notification from an application is received, the notification to another wearable terminal in a case where the glasses-type wearable information device is not in use, and does not perform display control to project the notification into a field of vision of a user.

Abstract: A display device is configured to determine a target location. The display device includes a waveguide element, a display panel and a processor. The waveguide element is configured to receive an image and reflect the image to an eyeball location. The display panel is located at one side of the waveguide element. The display panel has a plurality of pixel units. The display panel is located between the waveguide element and the target location. The processor is electrically connected to the display panel. The processor is configured to determine the pixel units in a blocking area of the display panel to be opaque. The blocking area of the display panel overlaps the target location. The display panel displays the pixel units in the blocking area as grayscale according to the processor.

Abstract: An optical element includes a first optical substrate, a second optical substrate overlying at least a portion of the first optical substrate, a liquid crystal layer disposed within a cell gap between the first optical substrate and the second optical substrate, and a plurality of carbon nanotube pillars extending between the first optical substrate and the second optical substrate across the cell gap. The carbon nanotube pillars may have an aspect ratio of at least approximately 2:1, and may be configured to maintain a uniform cell gap thickness.

Abstract: A grating structure, a diffraction optical waveguide, and a display device are disclosed. The grating line of the grating structure has a cross-sectional profile with a narrow top and a wide bottom, wherein the cross-sectional profile comprises six feature points, and the six feature points respectively have coordinates (0, 0), (L2, H2), (L3, H3), (L4, H4), (L5, H5) and (L6, 0) in a cross section, and satisfy following relationships: Hdrop=min(H4,H5)?max(H3,H2)>50 nm; 0.1<(L5?L4)/(L3?L2); L3>0.34T; and 0.05T<L5?L4<0.32T. By controlling the parameters of these feature points, the cross-sectional profile can be adjusted, and thus significantly improving the optical effect (comprising diffraction efficiency and uniformity) that the grating structure can achieve, and at the same time increasing degrees of freedom in grating design and optical effect regulation.

Abstract: Disclosed methods of aligning display projector assemblies included in head-mounted displays may include (1) determining an optical angle of an output of a display projector assembly relative to a base of the display projector assembly, (2) physically altering, based on the determined optical angle of the output of the display projector assembly, a mating structure included within a frame such that, when the base of the display projector assembly is mated to the frame via the mating structure, the output of the display projector assembly is optically aligned with the frame along a predetermined optical axis, and (3) mating the base of the display projector assembly to the frame via the altered mating structure. Various other methods, systems, and apparatuses are also disclosed.

Abstract: According to one embodiment, a display device includes a display panel, a first holographic optical element, a second holographic optical element, a polarizer transmitting first linearly polarized light and absorbing second linearly polarized light orthogonal to the first linearly polarized light, a lens element having a lens action of condensing first circularly polarized light of light transmitted through the second holographic optical element, a first retardation film located between the first holographic optical element and the second holographic optical element, a second retardation film located between the polarizer and the lens element, and a third retardation film located between the second holographic optical element and the polarizer.

Abstract: According to one embodiment, a display device includes an illumination device, a display panel opposed, a first retardation film, a holographic optical element, a second retardation film, a reflection polarizer spaced apart from the holographic optical element, and configured to transmit first linearly polarized light and reflect second linearly polarized light orthogonal to the first linearly polarized light, and a polarization conversion element located between the second retardation film and the reflection polarizer, and configured to maintain a polarization direction of the display light and rotate a polarization direction of external light transmitted through the light guide.

Abstract: An eyewear display device includes: a display that displays one or more display areas in front of eyes of a user wearing the eyewear display device; a line-of-sight recognizer that recognizes a line of sight of the user; and a hardware processor that identifies one of the display areas to which the user is turning the eyes, based on a movement of the line of sight recognized by the line-of-sight recognizer, and changes a position of the identified display area.

Abstract: A thin transparent layer can be integrated in a head mounted display device and disposed in front of the eye of a wearer. The thin transparent layer may be configured to output light such that light is directed onto the eye to create reflections therefrom that can be used, for example, for glint based tracking. The thin transparent layer can be configured to reduced obstructions in the field of the view of the user.

Abstract: There is provided an optical device, including a light-transmitting substrate having at least two parallel major surfaces, edges and an output aperture, an optical element for coupling light waves into the substrate to effect total internal reflection, a plurality of redirecting elements positioned outside of the substrate comprising at least two spaced-apart redirecting elements having a selectable laterally displaceable reflection-transmission ratio, and at least one reflecting surface having at least one active side located between the two major surfaces of the light-transmitting substrate for coupling light waves out of the substrate, wherein light waves trapped inside the substrate are coupled out from the substrate through the output aperture substantially inclined in relation to the normal to the substrate major surfaces, and are reflected from the redirecting elements into a viewer's eye, and wherein at least one of the redirecting elements is lateral displaceable in relation to another redirecting el

Abstract: A method for measuring performance of a head-mounted display module, the method including arranging the head-mounted display module relative to a plenoptic camera assembly so that an exit pupil of the head-mounted display module coincides with a pupil of the plenoptic camera assembly; emitting light from the head-mounted display module while the head-mounted display module is arranged relative to the plenoptic camera assembly; filtering the light at the exit pupil of the head-mounted display module; acquiring, with the plenoptic camera assembly, one or more light field images projected from the head-mounted display module with the filtered light; and determining information about the performance of the head-mounted display module based on acquired light field image.

Abstract: The present disclosure relates to light guides and near-eye display apparatuses. One example light guide includes a light guide plate and a two-dimensional grating that is disposed on a surface of the light guide plate. The two-dimensional grating includes a plurality of grating units arranged in a planar shape, the grating units are arranged at an interval of a first distance along a first direction and at an interval of a second distance along a second direction, and the first direction intersects with the second direction. The two-dimensional grating includes a light egress area and a light ingress area that are arranged along a third direction, and a fourth direction is perpendicular to the third direction.

Abstract: AR glasses are provided with left and right temples extending well behind the ears of the wearer to establish a center of gravity of the glasses that is approximately vertically above the front portion of the ears of the wearer. Rear segments the temples may be detachably engaged with the temples and may hold one or more electrical components.

Abstract: A system such as a head-mounted device may have left and right displays for displaying images. The images may be presented to left and right eye boxes through left and right fixed (non-removable) lenses and corresponding left and right removable vision correction lenses. The left and right fixed lenses may be supported by left and right fixed lens supports to which the left and right displays are mounted, respectively. To removably attach the vision correction lenses to the fixed lenses, the fixed lens supports and vision correction lenses may be provided with bayonet mounts. The bayonet mounts may have push-and-turn structures such as pins that mate with corresponding slots.