Abstract: A fiber management tray (20) is disclosed. The fiber management tray (20) includes a tray body (22) defining a fiber storage region (24) for storing excess optical fiber length (26). The tray body (22) also includes a splice mount (28) for mounting at least one optical splice (30). The fiber management tray (20) includes a restricted access region (32) and an unrestricted access region (34) on the tray body (22). The splice mount (28) and the fiber storage region (24) are provided at the unrestricted access region (34), and an optical splitter component (36) is provided at the restricted access region (32).

Abstract: A multicore optical fiber with a reference section having a material defining a marked multicore glass optical fiber. The multicore fibers can be in groupings, for example, the groupings can be in the form of one of an optical fiber ribbon covered by a matrix, and a tight buffered cable. Fiber optic connectors can be assembled to the multicore optical fiber at either or both ends, and the colored portion can be associated with the optical fiber connector aligning the optical core elements with the optical connectors. The assembly can have at least one transceiver device with a transmit port and a receive port defining a two-way communication channel. Further aspects describe methods of manufacturing multicore fibers including application of curable coatings and reference sections.

Abstract: Cables jacket are formed by extruding discontinuities in a main cable jacket portion. The discontinuities allow the jacket to be torn to provide access to the cable core. The armor cables have an armor layer with armor access features arranged to work in combination with the discontinuities in the cable jacket to facilitate access to the cable core.

Abstract: The present invention relates to a stacked optical fiber storage compartment formed to receive optical fibers, facilitate the connection of optical fibers and optical jumper cords, and facilitate the arranging and grouping of optical fibers. The stacked optical fiber storage compartment according to the present invention comprises: a compartment body including a main body portion having a receiving space and an open upper portion, and an opening and closing cover pivotably coupled on the main body portion to open and close the open upper portion of the main body portion; and an optical fiber connecting unit installed on the main body portion to receive and connect the respective optical fibers withdrawn from each of the tubes for optical cables extending into the compartment body.

Abstract: An optical assembly for high-G application includes an optical element formed from a brittle material. A rigid frame with a channel surrounds the outer diameter region of the optical element. A compliant material fills the space between the rigid frame and the outer diameter region of the optical element to prevent physical contact between the rigid frame and optical element during a high-G event.

Abstract: Provided is an imaging apparatus capable of performing AF with a high precision regardless of an object while realizing increase in AF speed. When there is an AF instruction, photographing is performed while a focus lens is moved. AF evaluated values are calculated at every position of the focus lens by a contrast AF processing unit. The contrast AF processing unit calculates a sharpness in the vicinity of the maximal point of an evaluated value curve from three AF evaluated values, including the maximum value among calculated AF evaluated values and AF evaluated values calculated at positions in front and rear of a focus lens position corresponding to the maximum value, and position information of the focus lens corresponding thereto, and calculates a focusing position by a calculation method selected from among plural kinds of methods according to the sharpness.

Abstract: An imaging lens includes, in order from the object side to the image side: a first lens having a negative refractive power and a concave surface toward the image side; a positive second lens having a negative refractive power; a third lens having a positive refractive power and a convex surface toward the image side; a fourth lens having a convex surface toward the image side; a fifth lens having a positive refractive power and a convex surface toward the image side; and a sixth lens having a negative refractive power and a concave surface toward the object side. Predetermined conditional formulae related to first lens, the second lens, and the third lens are satisfied.

Abstract: An optical lens assembly includes first, second, third and fourth lens elements arranged in sequence from an object side to an image side along an optical axis. Each lens element has an object-side surface and an image-side surface. The first lens element has positive refracting power, and the image-side surface of the first lens element has a convex portion in a vicinity of the optical axis and a convex portion in a vicinity of a periphery. The second lens element has negative refracting power. The object-side surface of the third lens element has a concave portion in a vicinity of the periphery. The image-side surface of the fourth lens element has a convex portion in a vicinity of the periphery.

Abstract: An optical imaging lens includes first, second, third, and fourth lens elements arranged in order from an object side to an image side along an optical axis. Each lens element has an object-side surface and an image-side surface. The first lens element has positive refracting power. The object-side surface of the first lens element has a convex portion in a vicinity of the optical axis and a convex portion in a vicinity of a periphery. The second lens element has negative refracting power. The object-side surface of the third lens element has a concave portion in a vicinity of a periphery. The image-side surface of the fourth lens element has a convex portion in a vicinity of a periphery.

Abstract: An optical lens assembly includes first, second, third and fourth lens elements arranged in sequence from an object side to an image side along an optical axis, and each lens element has an object-side surface and an image-side surface. The first lens element has positive refracting power, and the object-side surface of the first lens element has a convex portion in a vicinity of the optical axis and a convex portion in a vicinity of a periphery. The second lens element has negative refracting power. The object-side surface of the third lens element has a concave portion in a vicinity of the periphery. The image-side surface of the fourth lens element has a convex portion in a vicinity of the periphery.

Abstract: An optical lens assembly includes first, second, third, and fourth lens elements arranged in order from an object side to an image side along an optical axis. Each lens element has an object-side surface and an image-side surface. The object-side surface of the first lens element has a convex portion in a vicinity of a periphery. The second lens element has negative refracting power. The object-side surface of the third lens element has a concave portion in a vicinity of a periphery. The image-side surface of the fourth lens element has a convex portion in a vicinity of a periphery.

Abstract: Present embodiments provide for an optical imaging lens. The optical imaging lens comprises a first lens element, a second lens element, a third lens element, and a fourth lens element positioned in an order from an object side to an image side. By controlling the convex or concave shape of the surfaces of the lens elements and designing parameters satisfying at least one inequality, the optical imaging lens may exhibit better optical characteristics and an enlarged field angle, and the total length of the optical imaging lens may be shortened.

Abstract: Present embodiments provide for an optical imaging lens system. The optical imaging lens system may comprise at least four lens elements positioned sequentially from an object side to an image side. By controlling the convex or concave shape of the surfaces of the lens elements and designing parameters satisfying at least three inequalities, the optical imaging lens system may exhibit better optical characteristics and the total length of the optical imaging lens system may be shortened.

Abstract: An imaging optical system includes a positive or negative first lens group including a negative lens element closest to the object, a diaphragm, and a positive second lens group. The negative lens element closest to the object has an object-side aspherical surface including a paraxial convex surface, a paraxial curvature that is the greatest within the effective aperture, and a portion within the effective aperture having a curvature less than ½ of the paraxial curvature. These conditions are satisfied: R1/f<1.35 D1/f>0.4 ?2.5<f1/f<?1.3 V>56 “f” designates the overall focal length; f1, R1 and D1 respectively designate the focal length, paraxial radius of curvature of an object-side surface, and thickness, of the negative lens element closest to the object; and V designates the Abbe number regarding the d-line of a lens element, within the second lens group, closest to the diaphragm.

Abstract: A six-piece optical lens for capturing image and a six-piece optical module for capturing image are provided. In order from an object side to an image side, the optical lens along the optical axis includes a first lens with refractive power, a second lens with refractive power, a third lens with refractive power, a fourth lens with refractive power, a fifth lens with refractive power and a sixth lens with refractive power. At least one of the image-side surface and object-side surface of each of the six lens elements is aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

Abstract: A six-piece optical lens for capturing image and a six-piece optical module for capturing image are provided. In order from an object side to an image side, the optical lens along the optical axis includes a first lens with refractive power, a second lens with refractive power, a third lens with refractive power, a fourth lens with refractive power, a fifth lens with refractive power and a sixth lens with refractive power. At least one of the image-side surface and object-side surface of each of the six lens elements is aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

Abstract: An optical image capturing system includes, along the optical axis 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. At least one lens among the first to the fifth lenses has positive refractive power. The fifth lens can have negative refractive power, wherein both surfaces thereof are aspheric, and at least one surface thereof has an inflection point. The lenses in the optical image capturing system which have refractive power include the first to the fifth lenses. The optical image capturing system can increase aperture value and improve the imaging quality for use in compact cameras.

Abstract: An optical image capturing system includes, along the optical axis 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. At least one lens among the first to the fifth lenses has positive refractive power. The fifth lens can have negative refractive power, wherein both surfaces thereof are aspheric, and at least one surface thereof has an inflection point. The lenses in the optical image capturing system which have refractive power include the first to the fifth lenses. The optical image capturing system can increase aperture value and improve the imaging quality for use in compact cameras.

Abstract: Disclosed is a photographic optical lens system. The disclosed photographic optical lens system includes a stop, a lens group including at least one aspherical lens, and an image sensor configured to record an image transmitted through the lens group, wherein the photographic optical lens system satisfies the following Expression: 0.15?(DL1-L2)/OAL?0.4??<Expression> where DL1-L2 in Expression denotes a distance from a center of a first surface of a lens closest to an object (hereinafter, referred to as a first lens) to a center of a second surface of a second lens arranged directly next to the first lens, and OAL denotes a distance (a total length of the lens group) from the center of the first surface of the first lens to a center of a second surface of a lens arranged farthest from the object.

Abstract: A collapsible imaging system having a compound lens and a lenslet array, which is coupled with an image sensor. The collapsible imaging system can be transitioned between the imaging and storage modes by moving compound lens elements along the optical axis and off the optical axis of the system. In the storage mode, the compound lens elements are tightly packed in a flat volume.

Abstract: The present disclosure pertains to a wafer level lens stack, which has a substrate, a first, a second lens and an actuator. The substrate has a first side and a second side. The second side is opposite to the first side. The first lens is on the first side of the substrate. The second lens is on the second side of the substrate and the second lens can change its refraction characteristic. The actuator can change the refraction characteristic of the second lens.

Abstract: Provided are a super wide-angle lens and an imaging device including the same. The super wide-angle lens includes first to sixth lenses arranged from an object side toward an image plane side in this stated order and respectively having negative, positive, positive, negative, positive, and negative refractive powers. The super wide-angle lens may have a field of view of 100 degree or more.

Abstract: A light irradiating device includes a plurality of LED elements which is disposed on a substrate along a first direction and irradiatesan ultraviolet ray on an irradiating object; and a plurality of light collecting units which is disposed in an optical path of each LED element and forms the ultraviolet ray emitted from each LED element to have a narrow spread angle, in which the ultraviolet ray which passes through the light collecting unit to be directed to the irradiating object has a first light distribution peak which is inclined to an upstream side of the first direction at a first angle and a second light distribution peak which is inclined to a downstream side of the first direction at a second angle, with respect to a second direction which is perpendicular to the first direction.

Abstract: An image generation apparatus includes a plurality of irradiators, and a control circuit. The control circuit performs an operation including generating an in-focus image of an object in each of a plurality of predetermined focal planes, extracting a contour of at least one or more cross sections of the object represented in the plurality of in-focus images, generating at least one or more circumferences based on the contour of the at least one or more cross sections, generating a sphere image in the form of a three-dimensional image of at least one or more spheres, each sphere having one of the circumferences, generating a synthetic image by processing the sphere image such that a cross section appears, and displaying the resultant synthetic image on a display.

Abstract: A microscope including an illumination objective with a first optical axis, embodied to produce a light sheet, and a detection objective with a second optical axis, embodied to detect light coming from the specimen plane. The illumination objective and the detection objective are aligned relative to one another and the specimen plane so that the first and second optical axes intersect in the specimen plane and include a substantially right angle therebetween. The optical axes each include an angle which differs from zero with a reference axis directed orthogonal to the specimen plane. An overview illumination apparatus for wide-field illumination of the specimen plane, includes an illumination optical unit with a third optical axis. The characterizing feature is that the detection objective is provided to detect both light from the light sheet and light from the illumination optical unit. A method is also provided for operating a light sheet microscope.

Abstract: A microscope system includes a microscope body, an XY stage mounted on the microscope body and including a stage configured to place a slide as an observation target and move in an X-axis direction and a Y-axis direction perpendicular to each other, and an XY two-dimensional scale plate fixed to the stage. The XY two-dimensional scale plate is provided with a first mark that provides axis information in the X-axis direction throughout a movable range of the stage in the Y-axis direction and a second mark that provides axis information in the Y-axis direction throughout a movable range of the stage in the X-axis direction, which are used to recognize X- and Y-coordinates of the stage.

Abstract: The present invention relates to a method for calibrating a measuring microscope which may be used to measure masks, in which a calibration mask is utilized in a self-calibration algorithm in order to ascertain error correction data of the measuring microscope, wherein, in the self-calibration algorithm, the calibration mask is imaged and measured in various positions in the measuring microscope in order to ascertain one or more portions of the error correction data, wherein the surface profile of the calibration mask is ascertained and utilized when determining the error correction. Moreover, the invention relates to a measuring microscope and a method for operating same.

Abstract: An illumination device comprises: an optical member that is provided with a circular ring-shaped or horseshoe-shaped light-guiding layer and diffusion layer, which are laminated in a central axis direction, the light-guiding layer having a light-entrance surface facing a tangential direction; and a light-introducing member that is disposed at the radially outer side of the optical member and that introduces illumination light into the light-guiding layer from the light-entrance surface, in the tangential direction; wherein the diffusion layer diffuses the illumination light entering from the light-guiding layer by volume scattering, and the optical member is formed, at least, of one end surface in the axial direction and emits the illumination light emitted from the diffusion layer.

Abstract: An imaging module of the invention includes: an image-sensing unit that includes an image-sensing device; a lens that has a front end and is optically connected to the image-sensing device; and a frame that is fixed in position with respect to the image-sensing device and includes a lens barrel having an insertion space, into which the front end is to be inserted in at least an optical axis direction. In a state where movement of the lens in a direction intersecting with the optical axis direction is limited, the insertion space is capable of receiving the lens in the direction such that the lens approaches the image-sensing device. The lens is fixed to the lens barrel at a position at which the lens is optically connected to the image-sensing device.

Abstract: A circuit and method for driving electrostatic microelectomechanical systems (MEMS) are provided. In one embodiment, the circuit includes a first electrode in a movable element of the MEMS and a second electrode on a surface of a substrate of the MEMS over which the movable element is suspended, and a driver electrically coupled to the first and the second electrodes. The driver supplies a voltage differential between the first and second electrodes to vary an electrostatic force between the electrodes thereby moving the movable element. The driver is configured to supply a voltage pulse having a leading edge in which a first voltage intermediate between an initial, minimum voltage and a maximum voltage is maintained for a first time before rising to the maximum voltage timed to dampen oscillations of the movable element. Other embodiments are also described.

Abstract: An arrangement for hyperspectral imaging, comprising an imaging sensor (170,270); a band-pass filter element (130,230): at least one imaging optics element (120,160,220,260) configured to form an image on the imaging sensor (170,270); and a first adjustable multi passband filter (150a,255); wherein the first (150a,255) adjustable multi passband filter is configured to be adjusted by tilting.

Abstract: A control unit to control a movement of a reflector includes a drive signal output unit to apply a drive voltage having a minimum value and a maximum value in one cycle to a piezoelectric element to deform the piezoelectric element, the deformation of the piezoelectric element causing the reflector to move, and circuitry to control the drive voltage to have the minimum value greater than a zero voltage by a given difference value.

Abstract: A 3D display apparatus and method that address the vergence-accommodation conflict. A display screen component includes a display screen pixel array adapted to display a display screen image, a microlens imaging component including an array of microlenses corresponding to the display screen pixel array that can form a virtual or a real image of the display screen image, and a controllable movement component coupled to the imaging component or the display screen, wherein the imaging component and the display screen are controllably movable relative to each other, further wherein upon a controlled movement of the imaging component relative to the display screen, a location of the virtual or the real image along an optical axis is controllably changed.

Abstract: An optical deflector is used for optically scanning a target surface. The optical deflector includes: a mirror device configured to include a mirror capable of oscillating; and a casing configured to include a window unit for facing the mirror device, and to accommodate the mirror device. The window unit has a transmissive reflection structure in which part of an incident beam is caused to transmit through the window unit toward the mirror, and at least part of a remainder of the incident beam is reflected by the window unit to a direction separated from an optical deflection range that is deflected by the mirror device, and the transmissive reflection structure includes a diffraction grating provided on one of a front surface and a back surface of the window unit.

Abstract: A projective MEMS device, including: a fixed supporting structure made at least in part of semiconductor material; and a number of projective modules. Each projective module includes an optical source, fixed to the fixed supporting structure, and a microelectromechanical actuator, which includes a mobile structure and varies the position of the mobile structure with respect to the fixed supporting structure. Each projective module further includes an initial optical fiber, which is mechanically coupled to the mobile structure and optically couples to the optical source according to the position of the mobile structure.

Abstract: Provided is an illumination lens, including: a lens portion provided in a substantially central portion of a plate surface of a plate-like member; a flat portion provided in a region other than a region of the lens portion of the plate surface; and a reflection suppression structure configured to suppress total reflection of light inside, the reflection suppression structure being provided in at least one of the flat portion and a side end portion. The illumination lens enables emitting light having a more favorable characteristic with a simpler configuration.

Abstract: Provided is a configuration of a stereoscopic display device that is capable of performing stereoscopic display in a plurality of orientations and reducing crosstalk. A stereoscopic display device (1) includes a display panel (10), a switching liquid crystal panel (20), a position sensor that acquires position information of a viewer, and a control device. The switching liquid crystal panel (20) includes a first substrate (21) and a second substrate (22); a liquid crystal layer; a plurality of first electrodes (211) arranged along a first direction at first intervals (BP1); a plurality of auxiliary electrodes (212) arranged along the first direction at the first intervals (BP1); an insulating film; and a plurality of second electrode (221) arranged along a second direction that intersects with the first direction at second intervals (BP2). The auxiliary electrodes (221) are arranged between the first electrodes (211), when viewed in a plan view.

Abstract: In embodiments of the invention, an apparatus may include a display comprising a plurality of pixels and a computer system coupled with the display and operable to instruct the display to display images. The apparatus may further include a microlens array located adjacent to the display and comprising a plurality of microlenses, wherein the microlens array is operable to produce a light field by altering light emitted by the display to simulate an object that is in focus to an observer while the display and the microlens array are located within a near-eye range of the observer.

Abstract: The present invention provides a projection system (10), preferably for a head-up display e.g. on board a vehicle, comprising a laser source (1), a diffuser (3) and telecentric optics (2) disposed between the laser and the diffuser so that the telecentric optics outputs parallel rays to the diffuser, the diffused light being thus independent from the incidence angle; each pixel of the projected image has the same brightness, regardless of the angle or of the position from which it is viewed.

Abstract: An image display system includes a projector, a transparent screen, and a polarization adjuster. The projector projects image light. The transparent screen diffuses the image light that has been projected, to display an image. The polarization adjuster adjusts the image light that is to enter the transparent screen so that the image light is p-polarized.

Abstract: The embodiments disclosed in this application describe a displaying system, a displaying method, and a head-up display. The displaying system includes a display window including a transflective film, an image source for emitting s-polarized light incident on the transflective film, where the transflective film has an average reflectivity more than 50% for the s-polarized light, and where the imaging window is further used to transmit ambient light. The embodiments disclosed herein can reduce the demand on the brightness of the image source, can eliminate ghost image, obtain better visual effect, and reduce cost.

Abstract: To downsize a head-up display apparatus, a recess is provided by cutting a part of the reflection mirror having a quadrilateral shape as a basic shape. A head-up display apparatus includes, in a casing thereof, an image display and an optical path forming member. The optical path forming member includes at least a reflection mirror that reflects the image. The reflection mirror has a quadrilateral shape as a basic shape. The reflection mirror having the quadrilateral shape as the basic shape includes a recess in at least one of four corners. The reflection mirror having the quadrilateral shape as the basic shape is disposed in the casing to be inclined relative to a horizontal direction. The recess is provided in at least one of a top corner and a bottom corner which are diagonally placed in the inclined reflection mirror.

Abstract: Provided are a projection-type display device, an electronic device, a driver viewing image sharing method, and a non-transitory computer readable recording medium storing a driver viewing image sharing program. An HUD comprises a captured image data acquisition unit that acquires captured image data from an imaging unit that captures ahead of a windshield, a projection image data generation unit that analyzes the acquired captured image data and generates projection image data, a projection unit that modulates light emitted from a light source unit according to the projection image data and projects the modulated light onto a combiner, a driver viewing image data generation unit that generates driver viewing image data in which the projection image data is overlapped on the captured image data, and a communication unit that transmits the driver viewing image data to an electronic device that includes a display unit and exists in the motor vehicle.

Abstract: Provided are a projection-type display device, a safe-driving support method, and a non-transitory computer readable recording medium storing a safe-driving support program capable of securing safety while providing sufficient information to a driver even in a situation where a field of vision in a traveling direction of a motor vehicle is poor. An HUD includes a light modulation unit that modulates light emitted from a light source unit; a projection unit that projects the light modulated by the light modulation unit onto a combiner; a first image information generation unit that generates first image information and outputs the first image information to the light modulation unit; a second image information generation unit that generates second image information and outputs the second image information to a display device; and a control unit that controls operations of the first image information generation unit and the second image information generation unit.

Abstract: A HUD includes a light source unit 57, a light modulation element 54 that modulates light that is emitted from the light source unit 57, a projection portion that projects the modulated light onto a projection surface, wind guide paths 61 and 62 that guide wind W sent from an air conditioning device 9 of a car 100 to the light source unit 57, the wind guide path 61 that guides the wind W to the light modulation element 54, a shutter 63 for performing blocking and opening of the wind guide paths 61 and 62, and a system control unit 64 that selectively performs control for blocking the wind guide paths 61 and 62 and control for opening the wind guide paths 61 and 62 by controlling the shutter 63.

Abstract: See-through type display apparatuses and electronic apparatuses including the same are disclosed. A see-through type display apparatus may include a multipath optical member that transfers a plurality of images along a plurality of paths to an ocular organ of a user, and an anisotropic optical member that is arranged between the multipath optical member and the ocular organ of the user. The anisotropic optical member may exhibit characteristics which vary based on a polarization direction of incident light. For example, the anisotropic optical member may function as a lens with respect to light that propagates along a first path and function in a different manner than the lens with respect to light that propagates along a second path. The anisotropic optical member may function as a flat plate with respect to the light that propagates along the second path.

Abstract: The present invention provides a microlens array-based near-eye display, comprising a display screen facing the eyes and displaying images, a microlens array located between the display screen and the eyes, an eyeball-tracing camera and an image processing unit, wherein the microlens array is used for magnifying and projecting the image displayed on the display screen onto the retinas of the eyes, and comprises a plurality of microlens units having the same shape and structure and arranged into an array; the image displayed on the display screen is divided into a plurality of sub-images spaced apart and having the same shape and size, each corresponding to one of the microlens units in the microlens array; the image processing unit is used for segmenting an original image into a plurality of sub-images matching with the microlens array for presentation.

Abstract: Integral optical stacks and optical systems including the integral optical stack are described. The integral optical stack may include first and second lenses, a partial reflector, a reflective polarizer curved about two orthogonal axes, and a quarter wave retarder. The reflective polarizer is curved about two orthogonal axes and includes at least one layer that is substantially optically biaxial at at least one first location on the at least one layer away from an optical axis of the optical stack and substantially optically uniaxial at at least one second location away from the optical axis.

Abstract: The present invention provides a transmissive augmented reality near-eye display successively including a first microlens array for shooting reality, an imaging unit, a display screen, and a second microlens array in decreasing order of distances from a human eye:, and further including an image processing unit, particularly, the first microlens array includes a plurality of microlenses units for focusing a beam from the external reality; the imaging unit is arranged on the focal plane of the first microlens array, for imaging an optical signal collected by the first microlens array in a photosensitive manner; the image processing unit is configured to acquire the image data induced by the imaging unit so as to obtain a reality image with different depths of field, and fuse the virtual image into the reality image for presenting on the display screen.

Abstract: A display control device for a vehicle includes: a display controller that displays a predetermined display image on a windshield of the vehicle; a visibility reducing area detector that detects a presence or an absence of a visibility reducing area which reduces a visibility of the display image on the windshield; and a gaze detector that detects a gaze of a driver. When the display image overlaps with the visibility reducing area and the driver does not keep the gaze on the display image, the display controller moves the display image to an outside of the visibility reducing area.