Abstract: Methods of forming waveguide connectors include positioning a polymer waveguide in one or more insertion structures within an inner portion of a cap where the polymer waveguide has alignment features on a connection end face corresponding to one or more components of an assembled connector. The method can include inserting a ferrule into the inner portion of the cap such that an inner wall of the cap seals around the assembled connector to prevent contaminants from entering the inner portion and heating the polymer waveguide and the ferrule to a first temperature with the ferrule comprising alignment features and having a different coefficient of thermal expansion from the polymer waveguide. The alignment features of the polymer waveguide align with the alignment features of the ferrule when the polymer waveguide and the ferrule are heated to the first temperature.

Abstract: A terminus for a fiber optic cable includes a ferrule. In one embodiment, an optical fiber of the cable passes through a central bore of the ferrule and is attached to a lens seated in a conical or cylindrical seat formed in an end surface of the ferrule by an epoxy. In a second embodiment, an optical fiber of the cable passes through the central bore of the ferrule. Next, a cap sleeve with a lens therein is slid over and attached to the ferrule such that the lens abuts or is attached to the optical fiber. In either embodiment, an inspection slot may optionally be formed in the ferrule and/or the cap sleeve to allow a technician to inspect the state of the attachment and/or abutment and/or spacing of the optical fiber and the lens.

Abstract: An assembly includes: a first circuit board, having an electrical connector assembly and an optical fiber connector assembly side by side, the electrical connector assembly is protrudingly provided with a first guiding mechanism in a front-rear direction, which includes a first guiding section and a second guiding section, and the optical fiber connector assembly has an aligning portion; and a second circuit board, having a mating electrical connector assembly and a mating optical fiber connector assembly side by side, the mating electrical connector assembly has a first matching region, which includes a first matching section and a second matching section, and the mating optical fiber connector assembly has an adaptation portion. When the first guiding section penetrates through the first matching section and enters the second guiding section, the aligning portion starts entering the adaptation portion.

Abstract: Systems and methods described herein relate to the manufacture of optical elements and optical systems. An example method includes providing a first substrate that has a plurality of light-emitter devices disposed on a first surface. The method includes providing a second substrate that has a mounting surface defining a reference plane. The method includes forming a structure and an optical spacer on the mounting surface of the second substrate. The method additionally includes coupling the first and second substrates together such that the first surface of the first substrate faces the mounting surface of the second substrate at an angle with respect to the reference plane.

Abstract: An optical transceiver includes a housing, a fastening component, a bail and an optical connector. The fastening component is movably disposed on the housing and configured to be detachably fastened with the cage. The bail includes a first connecting portion and a second connecting portion. The first connecting portion is pivoted with respect to the fastening component at a first pivot joint, and the second connecting portion is pivoted with respect to the fastening component at a second pivot joint. The optical connector is disposed in the housing and located between the first pivot joint and the second pivot joint.

Abstract: An electrical connector includes a heat dissipation module with a first end and a second end opposed to the first end and two receptacle connectors located at the second end. The first and second ends define a transceiver-mating direction such that, when a transceiver is inserted into the first end of the heat dissipation module in the transceiver-mating direction, the transceiver mates with one of the two receptacle connectors, and in the heat dissipation module, air flows parallel to the transceiver-mating direction between the first and second ends and flows between the two receptacle connectors.

Abstract: A method for passively coupling an optical fiber to an optoelectronic chip, the method may include connecting the optical fiber to an optical cable interface of a first portion of an optical coupler; wherein the optical coupler further comprises a second portion; wherein the first portion comprises first optics that comprises a first lens array, an optical cable interface and three contact elements, each contact element has a spherical surface; and wherein the second portion comprises second optics that comprise a second lens array, and three elongated grooves; connecting the optical coupler to a substrate that supports the optoelectronic chip; and mechanically coupling the first portion to the second portion by aligning the three contact elements of the first portion with the three elongated grooves of the second portion thereby an optical axis related to a first lens array of the first portion passes through a point of intersection between longitudinal axes of the three elongated grooves, and an optical axi

Abstract: An optical transceiver includes an optical component (3) whose ground is integrated with a signal ground. The optical transceiver includes a conductor (51) that is electrically connected to the optical component (3), and a sheet-like insulator (52) disposed between the conductor (51) and a housing (1) such that a main surface thereof is positioned along an inner wall of the housing (1), and separating the signal ground and a frame ground on the side of the housing (1) from each other.

Abstract: One example includes an optical interconnect device. The optical interconnect device includes a plurality of optical fiber ports coupled to a body portion. The optical interconnect device also includes a plurality of optical fibers that are secured within the body portion. A first portion of the plurality of optical fibers can extend from a first of the plurality of optical fiber ports to a second of the plurality of optical fiber ports, and a second portion of the plurality of optical fibers can extend from the first of the plurality of optical fiber ports to a third of the plurality of optical fiber ports.

Abstract: A flame retardant and/or crush-resistant optical cable is provided. The cable includes a plurality of optical fibers and an inner jacket surrounding the plurality of optical fibers. The inner jacket includes an inner layer and an outer layer. The cable includes an armor layer surrounding the inner jacket. The cable includes an outer jacket surrounding the armor layer. The inner layer of the inner jacket, the outer layer of the inner jacket and/or the outer jacket are formed from one or more different material providing different properties to the cable. For example, the outer jacket may be formed from a flame-retardant, zero-halogen polymer material, the inner layer of the inner jacket may be chemically resistant to inorganic material, and the outer layer of the inner jacket may be chemically resistant to organic material.

Abstract: Aspects of the present disclosure relate to a cable bend radius guide. The cable bend radius guide comprises a flexibly rigid linear material of a predetermined length having a plurality of pairs of corresponding bend radius markers each separated by a predetermined distance along the predetermined length. The cable bend radius guide further comprises at least one constraint configured to fasten a first bend radius marker and a second bend radius marker of each pair of bend radius markers together to cause a portion of the flexibly rigid linear material between the first bend radius maker and second bend radius marker of each pair of bend radius markers to generate a substantially circular loop having a minimum bend radius corresponding to a cable's minimum bend radius.

Abstract: A system forms, at an end of a multifiber ribbon cable, a multifiber ribbon cable segment having an enlarged core-to-core spacing. A UV-transparent mold is mounted on top of a chassis. The mold defines a plurality of individual fiber channels corresponding to individual fibers of the existing multifiber ribbon cable and having a spacing equal to that of the enlarged core-to-core spacing. Each individual fiber channel passes through the internal cavity. The assembled mold further includes an injection system for receiving light curable, flowable material from the reservoir and pumping system and feeding it into the internal cavity, and at least one vent for allowing air to escape from the internal cavity as the light-curable, flowable material is fed into the internal cavity. The injected material is cured by exposure to a curing light.

Abstract: The approach presented here provides a membrane unit (105) comprising micro-optical structures (115), which comprises a wafer (110) as carrier basis of the micro-optical structures (115), an intermediate substrate (300) connected to the wafer (110), and a carrier (130) connected to the intermediate substrate (300), wherein the coefficients of thermal expansion of the wafer (100), of the intermediate substrate (300) and of the carrier (130) are dimensioned such that a coefficient of expansion of the carrier (130) is greater than a coefficient of expansion of the intermediate substrate (300) and the coefficient of expansion of the intermediate substrate (300) is greater than or equal to a coefficient of expansion of the wafer (110).

Abstract: Digital cameras, optical lens modules for such digital cameras and methods for assembling lens elements in such lens modules. In various embodiments, the digital cameras comprise an optical lens module including N?3 lens elements Li, each lens element comprising a respective front surface S2i?1 and a respective rear surface S2i. In various embodiments the first lens element toward the object side, L1 and its respective front surfaces S1 have optical and/or mechanical properties, such as a clear aperture, a clear height and a mechanical height that are larger than respective properties of following lens elements and surfaces. This is done to achieve a camera with large aperture stop, given a lens and/or camera height.

Abstract: Various embodiments include an interlock arrangement that may be used to attach a lens barrel to a lens carrier of a camera. In some embodiments, the interlock arrangement may restrict movement of the lens barrel relative to the lens carrier along at least an optical axis. In various examples, the interlock arrangement may include one or more grooves and one or more protrusions. For instance, a groove may be defined by the lens barrel or the lens carrier, and a protrusion may extend from the lens barrel or the lens carrier to at least partially into the groove. In some cases, the interlock arrangement may include an adhesive that at least partially fills gaps within the interlock arrangement between the lens barrel and the lens carrier. According to some embodiments, the interlock arrangement may include one or more recesses that provide inlets for the adhesive to be introduced to the gaps within the interlock arrangement.

Abstract: An optical element driving mechanism is provided, including a first component, a second component, an optical element driving assembly, and a flexible plastic structure. The second component is disposed corresponding to the first component. The first component has a first surface facing the second component. The optical element driving assembly is configured to force the optical element to move. The flexible plastic structure is formed on the first surface of the first component, and the hardness of the first component is greater than that of the flexible plastic structure.

Abstract: A head-mounted display device includes a first light element configured to transmit a first light having a first color; a second light element configured to transmit a second light having a second color; a first lens configured for directing the first light in a first direction and directing the second light in a second direction; and a first set of one or more lenses configured for directing the first light and the second light from the first lens toward a first eye of a user. Also disclosed is a method that includes transmitting a first light and a second light through a first lens and a first set of one or more lenses and directing the first light and the second light toward a first eye of a user. Further disclosed is a method for adjusting a position of one or more lenses.

Abstract: Various expandable mirrors and a vehicle having the same are described. An expandable mirror may include a first pane having a first reflective surface and a second pane having a second reflective surface. The expandable mirror may also include a mechanism connected with each of the first and second panes. The mechanism may be actuated to expand a viewing area of the mirror such that the expanded viewing area includes both the first and second reflective surfaces. The expandable mirror may also include a third pane having a third reflective surface that contributes to the viewing area when the mirror is expanded. The expandable mirror may also include a manual button configured to actuate or de-actuate the mechanism when pressed. The expandable mirror may also include a positioning motor configured to adjust the orientation of the viewing area of the mirror.

Abstract: A wide angle lens includes a first lens, a second lens, a third lens, a fourth lens, a diaphragm, a fifth lens, a sixth lens and a seventh lens which are disposed in order from an object side. The first, second, third and sixth lenses are negative meniscus lenses, and the fourth, fifth and seventh lenses are positive lenses. The fifth lens is a glass lens, and the second, third, fourth, sixth and seventh lenses are plastic lenses. The sixth lens and the seventh lens constitute a cemented lens. When a center curvature radius on an image side face of the fifth lens is R52 and a focal length of an entire wide angle lens is f0, the center curvature radius R52 and the focal length f0 satisfy the following conditional expression: 2×f0?|R52|?5×f0.

Abstract: An imaging lens including order from an object side to an image side, a first lens having positive refractive power, a second lens having negative refractive power, a third lens being a double-sided aspheric lens, a fourth lens having a meniscus shape with a concave surface facing the object side near an optical axis, a fifth lens being a double-sided aspheric lens, and a sixth lens having the concave surface facing the image side near the optical axis, wherein the image-side surface of said sixth lens is an aspheric surface which changes to the convex surface at a peripheral portion, and a total track length is 6.0 mm or less and below conditional expressions (2) and (3) are satisfied: 20<?d 3<32??(2) 20<?d 5<32??(3) where ?d3: abbe number at d-ray of the third lens ?d5: abbe number at d-ray of the fifth lens.

Abstract: The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of plastic material, the second lens is made of glass material, the third lens is made of plastic material, the fourth lens is made of plastic material, the fifth lens is made of glass material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.

Abstract: Substrates with lenses having lenses disposed therein are aligned with high accuracy. A stacked lens structure has a configuration in which substrates with lenses having a lens disposed on an inner side of a through-hole formed in the substrate are direct-bonded and stacked. In particular, one or more air grooves formed in surfaces of the substrates reduces an influence of air inside a void portion between adjacent lenses of a layered lens structure.

Abstract: A microscope device includes: an illumination optical system that has an illumination optical axis; and an observation optical system that has an observation optical axis. The illumination optical system includes a first scanning device that moves a condensing position in which the illumination light is condensed in a direction that is substantially parallel to the illumination optical axis. The first scanning device includes: a rotary mirror that includes a reflection surface; and a condenser lens that is arranged so as to irradiate the reflection surface with the illumination light and to receive the illumination light reflected by the reflection surface. The rotary mirror is rotationally moved or rotated in such a way that a distance between the condenser lens and the reflection surface on an optical axis of the condenser lens changes.

Abstract: A digital microscope and a focusing thereof are provided. The microscope integrates a focusing lens unit, a zooming lens unit and related control circuits into the interior of the microscope. The control unit executes a focus searching algorithm and focus tracking algorithm, controls movement of the focusing lens unit and the zooming lens unit and achieves auto-focus by adjusting the image distance and makes the microscope zoom by adjusting the focal length. This improves the focusing efficiency and shortens the focusing time greatly. The microscope can achieve continuous zooming and tracking by the zoom tracking algorithm and the image is kept clear in the zooming process. The microscope adjusts the brightness of the assist light source at the front end of the microscope according to the change of the amount of light transmission by the control unit executing the exposure algorithm to ensure uniform exposure.

Abstract: A Cassegrain telescope design consists of a silicon primary mirror bonded into a silicon-carbide (SiC) telescope metering tube. A secondary mirror is bonded directly to the telescope window. The window sits in a SiC bezel that is bonded to the SiC telescope tube. A graphite snout is bonded to the rear of the primary mirror and extends forward into the telescope. The snout incorporates a field stop that blocks stray light and sources outside the acquisition field of view (FOV). A lens cell threads into the snout and holds two lenses that collimate the light exiting that end of the telescope.

Abstract: An optical projection system (12) for a weapon system aiming scope (10) having at least objective and ocular lenses (24, 26) defining an optical path through which a target image (30) is observed. The projection system (12) includes a primary beamsplitter (62) positioned in the optical path, a secondary beamsplitter (64) positioned adjacent the primary beamsplitter (62) and off the optical path, a micro-display (60) that provides a data image (38, 88) containing targeting information (100, 101, 102, 104, 106, 108, 110, 112), and an illumination source (52). The illumination source (52) generates light directed through the secondary beamsplitter (64) to illuminate and reflect off the micro-display (60) so as to define a reflected data image (88), and the secondary beamsplitter (64) directs the reflected data image (88) into the primary beamsplitter (62).

Abstract: In an endoscope objective lens which includes a reflective member that bends an optical path substantially at a right angle inserted between the last lens surface and an image sensor disposed on the image plane, the effective diameter of the last lens surface is made smaller than the size of the image sensor in a direction corresponding to the optical path bending direction and the endoscope objective lens is made so as to satisfy a conditional expression given below. h1<V+0.

Abstract: A light-scanning apparatus according to the present invention is provided with: an optical fiber; a signal-generating portion that generates a driving signal that has a frequency fd different from a resonant frequency fr of the optical fiber; and a driving portion that causes a distal end of the optical fiber to undergo spiral oscillations in accordance with the driving signal, wherein the signal-generating portion generates the driving signal that includes, during one scanning period, a first period in which an amplitude gradually increases from substantially zero to a maximum value and a second period in which the amplitude gradually decreases from the maximum value to substantially zero, and that satisfies conditional expression (1) below. N2 is the number of oscillations of the driving signal in the second period. { Eq . ? 1 } 2 ? 1 N ? ? 2 2 · 12 ( fd fr - 0.

Abstract: A switch unit includes a frame body which is fixed to an opening section and in which a plurality of holes are formed, a plurality of switches provided in each of two of the plurality of holes, a soft switch cover that is disposed in each of the two holes and covers the plurality of switches, a first catch section formed as part of the switch cover in a position between the plurality of switches, a switch fixing member that is disposed in each of the two holes, is covered with the switch cover, fixes the plurality of switches to the opening section, and catches the first catch section in a position facing the first catch section, and a second catch section formed at an outer circumference of the switch cover and caught by the frame body.

Abstract: A MEMS device includes a fixed supporting body forming a cavity, a mobile element suspended over the cavity, and an elastic element arranged between the fixed supporting body and the mobile element. First, second, third, and fourth piezoelectric elements are mechanically coupled to the elastic element, which has a shape symmetrical with respect to a direction. The first and second piezoelectric elements are arranged symmetrically with respect to the third and fourth piezoelectric elements, respectively. The first and fourth piezoelectric elements are configured to receive a first control signal, whereas the second and third piezoelectric elements are configured to receive a second control signal, which is in phase opposition with respect to the first control signal so that the first, second, third, and fourth piezoelectric elements deform the elastic element, with consequent rotation of the mobile element about the direction.

Abstract: Embodiments of the present application disclose a sharing method and a sharing device. The method comprises: determining at least one piece of first information associated with a field of view of at least one user; and determining a transmission policy of at least one hologram of the at least one user at least according to the at least one piece of first information, wherein the transmission policy comprises: a sequence that is determined, for any one of the at least one user, at least according to a degree of association between a field of view of at least one other user among the at least one user and a field of view of the any user and is for transmitting at least one hologram of the any user to the at least one other user.

Abstract: A display apparatus includes a frame and an image display apparatus for a left eye 3 and an image display apparatus for a right eye which are attached to the frame. Each image display apparatus 30 includes an image forming apparatus 40 and an optical system 50 configured to guide an image from the image forming apparatus 40 to a pupil of an observer 10. The optical system 50 includes a reflecting mirror 51 and a lens group 52. The image forming apparatus 40 is curved. A normal NLL of the reflecting mirror 51 included in the optical system of the image display apparatus for a left eye and a normal NLR of the reflecting mirror 51 included in the optical system of the image display apparatus for a right eye intersect with each other in a space on an opposite side of the observer 10 with respect to the reflecting mirror 51.

Abstract: A display device includes a two-dimensional array of tiles. Each tile includes a two-dimensional array of pixels and a two-dimensional array of tunable masks. Each pixel is configured to output light so that the two-dimensional array of pixels outputs a respective pattern of light. The two-dimensional array of tunable masks is configured to conditionally block transmission of light for displaying an augmented reality image.

Abstract: Systems, methods and ophthalmic lenses for image display of a virtual image, such as display of a holographic image. An ophthalmic lens is configured to optimize visualization of the displayed virtual images.

Abstract: A stacked waveguide assembly can have multiple waveguide stacks. Each waveguide stack can include a plurality of waveguides, where a first waveguide stack may be associated with a first subcolor of each of three different colors, and a second waveguide stack may be associated with a second subcolor of each of the three different colors. For example, the first stack of waveguides can incouple blue, green, and red light at 440 nm, 520 nm, and 650 nm, respectively. The second stack of waveguides can incouple blue, green, and red light at 450 nm, 530 nm, and 660 nm, respectively.

Abstract: A waveguide display is used for presenting media to a user. The waveguide display includes a light source assembly, an output waveguide, and a controller. The light source assembly projects an image light at least along one dimension. The output waveguide includes a waveguide body with two opposite surfaces. The output waveguide includes an input area, an output area, a first diffractive element on the first side, and a second diffractive element on the second side of the output waveguide. The output area is located between the input area and the first and second diffractive elements. The first and second diffractive elements reflect a second portion of the expanded image light back toward the output area for outcoupling to the eyebox. The controller controls the scanning of the light source assembly to form a two-dimensional image.

Abstract: A near-eye-display is used for presenting media to a user. The near-eye-display includes a light source assembly, a scanning assembly, one or more output waveguides, and a controller. The light source assembly emits light that is at least partially coherent. The scanning assembly includes grating elements associated with a wave vector that diffract the emitted light into several beams, and scan the beams in accordance with display instructions. The output waveguide includes several input areas, and an output area. Each input area includes one or more coupling elements associated with respective wave vectors that receive a respective beam. The output waveguide expands the beam at least along two dimensions to form expanded light for each respective beam toward a different portion of an eyebox with an overlap in at least some portions of the eyebox. The controller controls the scanning of the scanning assembly to form a two-dimensional image.

Abstract: The embodiments of the present disclosure disclose a display apparatus and a display method. The display apparatus comprises a display unit having a plurality of pixels; a collimation unit configured to collimate light in a light exit direction of the display unit to obtain collimated light; and an adjustment unit configured to deflect the collimated light so that light emitted by pixels at different positions in the display unit is imaged at different depths of field.

Abstract: Systems and methods of image projection are presented herein. Image projection may be facilitated by a layered waveguide and/or other components. The layered waveguide may have an input portion and a presentation portion. Light may be received from a display at the input portion and output at the presentation portion. Th input portion may include coupling optical features. The presentation portion ma include presentation optical features forming Bragg diffraction gratings. Relative proportions of light emitted by the display and coupled onto the layers may be controlled adjust a cumulative focal length of the layered waveguide.

Abstract: Aspects of the present disclosure relate a head-worn computer with a see-through display wherein computer content is presented to a user wearing the head-worn computer and through which the user sees a surrounding environment, wherein the see-through display generates image light comprised of narrow bandwidths of red, green and blue light and wherein the see-through display further includes a tristimulus notch mirror positioned to reflect the image light towards the user's eye, and wherein the tristimulus notch mirror reflects less than a full width half max of the red image light.

Abstract: An optical waveguide, which includes a medium layer and N semi-transmissive, semi-reflective films supported by the medium layer. The semi-transmissive, semi-reflective films are arranged in sequence along a first direction perpendicular to a thickness direction of the medium layer. The orthographic projections of two adjacent semi-transmissive, semi-reflective films on a plane parallel to the thickness direction of the medium layer have an overlap region. A contour of each semi-transmissive, semi-reflective film is a curved surface structure, curved surface structures of the N semi-transmissive, semi-reflective films are N continuous sub-curved surfaces formed by segmenting a same curved surface respectively, a sum of heights of the N sub-curved surfaces is a height of the curved surface, and a concave side of the curved surface structure of each semi-transmissive, semi-reflective film faces towards a same bottom surface of the medium layer.

Abstract: Systems, devices, and methods that integrate eye tracking capability into scanning laser projector (“SLP”)-based wearable heads-up displays are described. An infrared laser diode is added to an RGB SLP and an infrared photodetector is aligned to detect reflections of the infrared light from features of the eye. A holographic optical element (“HOE”) may be used to combine visible light, infrared light, and environmental light into the user's “field of view.” The HOE may be heterogeneous and multiplexed to apply positive optical power to the visible light and zero or negative optical power to the infrared light.

Abstract: A head-mounted display including a display unit, a detector, and a first control unit. The display unit is mountable on a head of a user and capable of providing the user with a field of view of a real space. The detector detects an azimuth of the display unit around at least one axis. The first control unit includes a region limiter, a storage unit, and a display control unit. The region limiter is capable of limiting a display region of the field of view along a direction of the one axis in three-dimensional coordinates surrounding the display unit. The storage unit stores images including information relating to a predetermined target present in the field of view with the images being made corresponding to the three-dimensional coordinates. The display control unit is configured to display, based on an output of the detector, an image in the three-dimensional coordinates, which corresponds to the azimuth, in the field of view.

Abstract: An auxiliary device for use with a head-mounted display (HMD) is disclosed. The auxiliary device includes a base plate configured to be detachably affixed to an interior surface of a front-facing panel of an HMD; a pair of nose pad arms extending from a first side of the base plate, each nose pad arm having a proximal end connected to the base plate and a distal end carrying a nose pad; and a lens holder frame extending from the first side of the base plate, the lens holder frame being configured to hold a first prescription lens and a second prescription lens in general alignment with a first display and a second display, respectively, of the HMD.

Abstract: A near-eye display includes a display assembly, an eye tracking system, and a multifocal module. The display assembly emits image light at a particular focal distance in accordance with multifocal instructions. The display assembly includes focal adjustment lenses and waveguide displays arranged in optical series and configured to emit light in accordance with the multifocal instructions. Different combinations of focal adjustment lenses are associated with different focal distances. Each waveguide display is separated from one or more adjacent waveguide displays by one or more of the plurality of focal adjustment lenses, and is associated with a unique combination of one or more of the focal adjustment lenses and a corresponding focal distance. The eye tracking system determines eye tracking information for a user's eye. The multifocal module generates the multifocal instructions based on the eye tracking information and provides the multifocal instructions to the display assembly.

Abstract: A lens strip, LED wall washer with lens strip and illumination system. In a section perpendicular to an extending direction of the lens strip, the lens strip comprises an optical axis, a light-emitting surface intersecting the optical axis, and a light source setting hole disposed on the optical axis, and first and second total reflection surfaces respectively disposed on opposite sides of the light source setting hole and located between the light source setting hole and the light-emitting surface, the illumination system can obtain a uniform and wider illumination of the entire illuminated surface 200, thereby it can form a perfect lighting effect, which can increase the user experience.

Abstract: A light path adjustment mechanism includes a carrier, an optical plate member, a support, a first axis, a second axis, a first actuator and a second actuator. The carrier includes an inner frame and an outer frame, the optical plate member is disposed on the inner frame and has a reflective surface and an opposite surface opposite the reflective surface. The first axis is disposed between the inner frame and the outer frame, and the second axis is disposed between the outer frame and the support. The first actuator and the second actuator are disposed on one side of the carrier facing away from the reflective mirror, and the opposite surface of the reflective mirror and the first axis are spaced at a distance.

Abstract: Integrating rod modules are disclosed comprising a plurality of single and/or solid integrating rods that are mated together by straps. Such modules tend to comprise a greater length than the single and/or solid integrating rods and provide good illumination to a modulator that light from a light source is transmitted through the integrating rod module. The straps may comprise a material (e.g., glass) that has substantially same or similar thermal characteristics as the integrating rods. The straps may be glued to the integrating rods by a glue having a substantially different (e.g., lower) index of refraction than the integrating rods, so as not to disturb the internal reflectance of the rods. The straps may be reinforced by braces that may allow the integrating rod module to be set within a projection display system at an angle substantially different from horizontal.

Abstract: Universal linear components are provided. In general, a P input and Q output wave combiner is connected to a Q input and R output wave mode synthesizer via Q amplitude and/or phase modulators. The wave combiner and wave mode synthesizer are both linear, reciprocal and lossless. The wave combiner and wave mode synthesizer can be implemented using waveguide technology. This device can provide any desired linear transformation of spatial modes between its inputs and its outputs. This capability can be generalized to any linear transformation by using representation converters to convert other quantities to spatial mode patterns. The wave combiner and wave mode synthesizer are also useful separately, and can enable applications including self-adjusting mode coupling, optimal multi-mode communication, and add-drop capability in a multi-mode system. Control of the wave combiner and wave mode synthesizer can be implemented with single-variable optimizations.

Abstract: Provided is a naked-eye three dimensional display device including: a third substrate, a second liquid crystal layer, a first electrode and a second electrode and a two dimensional display panel including a first substrate, a second substrate and a first liquid crystal layer disposed between the first substrate and the second substrate; the third substrate is disposed opposite to the second substrate on a side of the second substrate away from the first substrate; the second liquid crystal layer is disposed between the second substrate and the third substrate; the first electrode and the second electrode are disposed between the second substrate and the third substrate, and the first electrode and the second electrode are configured to apply an electric field to liquid crystal in the second liquid crystal layer to form a light splitting device for three dimensional display.