Abstract: Disclosed is lens module. The lens module includes a barrel and a lens group disposed in the barrel. The lens group includes a first lens element connecting with the barrel and a second lens element connecting with the first lens element. The first lens element connecting with the barrel makes the lens module have a first matching precision. The first matching precision makes the barrel and the lens group be concentric. The first lens element has a first arc surface and the second lens element has a second arc surface engaging with the first arc surface which makes the lens module have a second matching precision. The second matching precision makes the first lens element and the second lens element be concentric.

Abstract: The present invention provides an optical apparatus that deforms a reflecting surface of a mirror, comprising a base plate, a fixing member configured to fix a part of the mirror including a center of the mirror to the base plate, and a plurality of actuators each having a first end connected to the mirror and a second end connected to the base plate, and configured to apply force to a back face of the mirror, wherein the plurality of actuators include a plurality of first actuators and a plurality of second actuators, and the plurality of first actuators are arranged such that a distance between each first actuator and the center of the mirror is longer than half of a distance between the center and a periphery of the mirror.

Abstract: The invention relates to a lens-holding device (1) intended to be hooked on a mounting (101) of a conveyor carriage for transporting optical lenses (10) in order for said lenses to be treated by immersion in at least one bath of a treatment machine. The lens-holding device (1) is hooked on in such a way as to form an alignment of devices together with a group of other similar devices in a predetermined direction.

Abstract: Embodiments of the present invention are directed to methods and systems for performing automatic lens shading correction using module-specific calibrations. According to one aspect of the invention, a method is provided that is performed over three main stages. During a first stage, radial symmetric component data is determined that is common to camera modules of the type to be calibrated. During the second stage, the actual measurement of the shading profile of one or more specific camera modules is performed. In the third and final stage is the extrapolation stage, the base measurement surfaces of a camera module type determined in the first stage are extrapolated and modified with the module-specific Bezier correction surface and calibration data of the second stage. The output surfaces of this third and final stage are used to correct for the shading profile in the camera module, depending on the light-source estimation.

Abstract: A method of dip-coating a segmented multifocal lens (1) having a segment with a curved portion and a straight line portion, includes the steps of: placing the lens (1) on a basket support (21); immersing the lens (1) vertically in a coating solution bath (16); and withdrawing the lens (1) vertically from the bath (16); wherein the step of placing the lens (1) is performed such that the straight line portion of the lens (1) is in a vertical plane; and wherein, before or during the step of immersing the lens (1), the lens (1) is inclined to an inclined position between a vertical position and a horizontal position of the lens (1), in which inclined position the segment is downwardly inclined and the straight line portion of the segment remains in the vertical plane.

Abstract: Electro-magnetic actuators used to provide a displacement of an optical element such as a lens carrier comprise at least one ferromagnetic frame associated with a large air gap and at least one ferromagnetic member parallel to and separated from an elongated section of a frame by a small air gap. Actuation causes a magnetic circuit that appears in the at least one frame, the at least one member and small air gaps and by-passes or bridges the large air gap. In some embodiments, the resultant magnetic force moves the at least one member and leads to the displacement of an optical element attached thereto. In some embodiments, at least one frame and at least one member are arranged to provide a center hole and are dimensioned to enable insertion of a lens carrier in the hole. In some embodiments, the displacement is for auto-focus. In other embodiments, the displacement is for optical image stabilization.

Abstract: In some embodiments, a camera actuator module includes a linear actuator motor for moving a lens assembly, a position sensor coupled to the lens assembly, a mechanical end stop mounted in the path of motion of the lens assembly, and a non-transitory storage medium storing program instructions. In some embodiments, the program instructions are computer-executable to implement exciting, using the linear actuator motor, a mechanical resonance in the camera actuator module calculated to cause the lens assembly to move to an overload displacement by powering the linear actuator of the camera actuator module at a resonant frequency of the camera actuator module, measuring, using the position sensor, a current maximal displacement of the lens assembly during the exciting using a position sensor, and estimating a position of the mechanical end stop using at least the current maximal displacement.

Abstract: An imaging lens assembly includes a barrel and a lens assembly, wherein the lens assembly is disposed in the barrel. The barrel has an incident light surface and a barrel cylindrical axis, wherein the incident light surface includes a specular region including at least one specular protrusion region disposed thereon. An angle between a shortest line from an innermost edge to an outermost edge of the specular protrusion region and a normal line to the barrel cylindrical axis is ?.

Abstract: A thermally compensated optical subassembly having a rotationally symmetrical optical element and a monolithic mount with a rotationally symmetrical mounting ring, having an axis of symmetry, and at least three connection units. The optical element communicates with the mounting ring via the connection units, so as to be secured against tilting and fixed with respect to torsion. The connection units, in each instance, have three couplers which have a determined length ratio with respect to one another and are connected to one another and to the mounting ring and optical element such that defined conditions are met.

Abstract: An optical assembly includes a lens mount. The lens mount includes a lens mount body with a threaded lens aperture extending axially therethrough. A ring extends from the lens mount body. The ring defines a lens locking aperture therethrough that is spaced axially apart from the lens aperture and is aligned with the lens aperture. The lens aperture and lens locking aperture are both threaded. A lens element is threaded into the lens aperture and lens locking aperture. A lock operatively connects the lens mount body to the ring for locking the lens element by flexure of the ring relative to the lens aperture.

Abstract: A method for forming an image sensing device is disclosed, including providing a molding apparatus, disposing a lens in the molding apparatus, injecting an injection material into a chamber of the molding apparatus to form a shell which is connected to the lens, opening the chamber of the molding apparatus to remove the lens and the shell connected to the lens, and assembling the shell with an image sensing element.

Abstract: The present invention provides a lens driving device which does not cause a large size or has no need to add components. Damage of components for limiting the amount of movement in all directions caused by impact can be alleviated, and durability is easily improved. Clamping parts protruding from a lens support for alleviating the impact in the vertical, plane, and rotation directions are arranged between a lower side fixing body and an upper side fixing body, and the clamping parts of the lens support abut with clamping parts arranged on a lower side fixed member and/or clamping parts arranged on an upper fixed member mutually so as to limit the maximum amount of movement in the vertical direction, the plane direction and the rotation direction, thus great change is not required for an existing structure, and the durability for impact can also be improved.

Abstract: A mount configured to mount an optical element in a module for a lithographic apparatus. The mount includes a plurality of resilient members constructed and arranged to circumferentially support the optical element. Each resilient member includes a plurality of resilient subsections that are configured to engage the optical element around a perimeter thereof. Each resilient subsection is configured to flex independent of another resilient subsection.

Abstract: One example embodiment includes an optical subassembly (OSA). The OSA includes a flex circuit, an optical port, and an active optical component subassembly. The flex circuit is constructed of at least one electrically-conductive layer and at least one electrical insulator layer. The optical port defines a barrel cavity and is mechanically coupled to the flex circuit at a flex connection. The active optical component subassembly is positioned within the barrel cavity and electrically coupled to the flex circuit.

Abstract: One side surface of a diffraction grating is securely held by a holder, and further, the holder is securely supported on a substrate by a supporter in such a manner that the diffraction grating held by the holder is not brought into contact with the substrate. In this manner, the diffraction grating is fixed only onto one side surface to the supporter via the holder, and further, the diffraction grating is not brought into contact with the substrate. Therefore, the lower portion of the supporter is displaced by heat generated in the substrate, however, the displacement of the supporter cannot adversely influence directly on the diffraction grating since the holder is interposed between the displaced portion and the diffraction grating.

Abstract: Described herein are press fit optical vias to interconnect different levels of an electronic or electro-optical device, printed circuit board or connector. A device includes a device level having an optical component and another device level having another optical component. A press fit optical via interconnects the device level and the another device level. A press fit optical includes a barrel having a length for interconnecting between the device level and the another device level, an insertion point at an end of the barrel, and a lens at another end of the barrel. It includes an extraction collar between the lens the barrel, an insertion limit face between the extraction collar and the barrel, and a rotation key extending from the extraction collar and the insertion limit face. A plurality of swages are interposed on the barrel and the insertion limit face.

Abstract: A lens barrel enables to improve the optical performance thereof while realizing size reduction, structure simplification, and cost reduction in the lens barrel. A second group holding frame 21, in a collapsed state, is rotated with respect to the second group base plate 22 in a direction retracting from the optical axis A, and in a photographing state, is rotated toward the optical axis A. A compression spring 23 regulates an optical axis A direction position of the second group holding frame 21 with respect to the second group base plate 22 by urging, in the optical axis A direction, a portion of the second group holding frame 21. An engaging pin 22d and an engaging groove 21e, in the photographing state, regulate the optical axis A direction position of the second group holding frame 21 with respect to the second group base plate 22.

Abstract: A light is provided and a method is provided for manufacturing a light, with a carrier element, an illuminating device disposed on the carrier element with a circuit board and an illuminant mounted on the circuit board, and an optic. The one of the optics and the carrier element comprises at least one positioning element, which passes through an opening in the circuit board and engages in a recess in the other of the optics and the carrier element.

Abstract: An imager module for a camera includes: at least one objective holder; an image sensor mounted on the objective holder; and an objective accommodated in a tube area of the objective holder. Multiple contact areas are formed between an outer surface of the objective and the cylindrical inner surface of the tube area of the objective holder by frictional engagement. For this purpose, a first clamping plane is formed in the tube area, and a second clamping plane is formed which is offset from the first clamping plane along a longitudinal axis of the tube area, multiple first contact areas being formed in the first clamping plane, and multiple second contact areas being formed in the second clamping plane and situated distributed around the longitudinal axis in a circumferential direction.

Abstract: Disclosed are a camera module and a method for assembling the camera module, the camera module including a cover part having an opening formed therein and a lens guide formed in the opening to prevent removal of a lens to an outside, a lens mounted to the opening of the cover part, and a back cap coming into close contact with the lens and mounted to the opening.

Abstract: An optical module and a manufacturing method improve positioning accuracy between parts. A barrel and a lens holder are prepared, the lens holder is fitted into a cylindrical portion from a collar portion side of the barrel, and the barrel and the lens holder are assembled. In one case, the barrel and the lens holder are assembled with a brazing material. The assembled barrel and lens holder are heated, and the brazing material is melted to braze the barrel and the lens holder. Lens glass is sandwiched between metal dies and a lens is press-molded using a pressing apparatus. In one case, positioning of press molding uses the barrel which has a small linear expansion coefficient.

Abstract: Disclosed is a camera module. The camera module includes a lens barrel; a first lens unit having a first outer peripheral shape in the lens barrel; a second lens unit having a second outer peripheral shape in the lens barrel; and a housing coupled with the lens barrel.

Abstract: Optical scanner for scanning a target surface with a light beam includes: a light deflector deflecting the light beam; a scanning lens made of resin and condensing the light beam deflected by the light deflector onto the target surface to form an image thereon; a frame to which the scanning lens is fixed and having a coefficient of linear expansion smaller than that of the scanning lens. The scanning lens is fixed to the frame at a first attachment portion and at least one second attachment portion of the scanning lens using adhesives. The first attachment portion is located closer to a center portion of a scanning range in a main scanning direction of the scanning lens than the second attachment portion is. A first adhesive used for the first attachment portion has an elastic coefficient greater than that of a second adhesive used for the second attachment portion.

Abstract: According to one exemplary embodiment, a step response suppression structure of lens driving apparatus is provided and adapted to a lens driving apparatus with a fixed portion and a movable portion. The step response suppression structure includes a cantilever element and a damping element; a first connector end of the cantilever element is directly secured to the movable portion, the damping element is connected with a second connecting end of the cantilever element to the fixed portion. When the movable portion performs any movement, the cantilever element and the damping element reduce setting time by the movable portion through setting the step response suppression structure between the movable portion and the fixed.

Abstract: A device comprises at least one optics member (O) comprising at least one transparent portion (t) and at least one blocking portion (b). The at least one transparent portion (t) is made of one or more materials substantially transparent for light of at least a specific spectral range, referred to as transparent materials, and the at least one blocking portion (b) is made of one or more materials substantially non-transparent for light of the specific spectral range, referred to as non-transparent materials. The transparent portion (t) comprises at least one passive optical component (L). The at least one passive optical component (L) comprises a transparent element (6) having two opposing approximately flat surfaces substantially perpendicular to a vertical direction in a distance approximately equal to a thickness of the at least one blocking portion (b) measured along the vertical direction, and, attached to the transparent element (6), at least one optical structure (5).

Abstract: A manufacturing method of a lens barrel is disclosed. According to one implementation, the manufacturing method includes the following steps. A first lens holding section protrusion step inserts a first lens holding section from one end of a barrel frame to a hollow section to protrude from the other end. A second lens holding section suction step sucks a convex surface section. A first lens holding section contact step brings the planar surface section into contact with the first lens holding section. A lens holding switching step releases suction of the convex surface section, and the planar surface section is held by the first lens holding section. A barrel frame contact step moves the first lens holding section or the lens barrel so that a surrounding edge section is brought into contact with a lens receiving section.

Abstract: An optical element includes a monolithic body portion, the monolithic body portion having an inner body portion, an outer body portion extending at least partially around the inner body portion, and exactly three flexural hinges connecting the inner body portion to the outer body portion. One of the inner body portion and the outer body portion defines an optical active portion configured to reflect, refract, or diffract light, and the other of the inner body portion and outer body portion defines a mount portion.

Abstract: The optical system comprises a base plate having a first plate side and a second plate side, a light guide element located substantially on said first plate side and a lens element located on said second plate side. The base plate and the light guide element are integrally formed or are distinct parts, and the base plate is at least partially transparent The optical system forms a light path for light passing through said lens element, across said base plate and through said light guide element, and wherein said base plate comprises at least one mechanical guiding element. The method for manufacturing such an optical system comprises providing a wafer comprising a multitude of said base plates.

Abstract: The rack includes a first member having a first tooth engaged with a lead screw, a second member having a second tooth engaged with the lead screw, a third member having a third tooth engageable with the lead screw, a first forcing unit configured to apply a force between the first and second members, a second forcing unit configured to apply a force between the first member and third members, and a limiter configured to limit a distance between the third tooth and the lead screw so that the third tooth is separated from the lead screw when the first and second teeth are engaged with the lead screw by the force applied by the first forcing unit and a distance between the first tooth and the third tooth is smaller than an outer diameter of the lead screw.

Abstract: A lens mount for a strip lens is provided, in which the strip lens can be deformed substantially perpendicular to its optical axis, in order to linearize the imaging of a beam scanning over the strip lens. The lens mount includes a slotted distance strip, a support strip and a base plate. The support strip is rigidly connected to the strip lens via the distance strip that has only a very low bending stiffness and can be deformed relative to the base plate by means of adjusting screws, whereby the strip lens can be deformed. By inserting a distance strip, the installation space that is required for the lens mount is essentially moved away from the optical axis in order to provide, for example, installation space for adjacent optical or mechanical components.

Abstract: An optical mold including a spacer cavity portion, a lens cavity portion and a flow stop control portion for allowing optical lens material to flow between the spacer cavity portion and the lens cavity portion and an optical lens array formed therefrom. The optical mold may further include a pedestal located within the spacer cavity portion for supporting the mold during a puddle dispensing process. A method for using the optical mold including the spacer cavity portion, the lens cavity portion, and the flow cavity portion, and optionally the pedestal.

Abstract: An observation optical system configured to guide light from a plurality of original images to an exit pupil to present a combined overall image of the plurality of original images, includes a first optical element including a first off-axial reflecting surface configured to reflect at least a portion of light, a second optical element including a second off-axial reflecting surface configured to reflect at least a portion of light, and a off-axial optical system which overlaps at the pupil light fluxes from positions on the respective original images that have an identical angle-of-view, wherein the second optical element is cemented with the first optical element in at least a portion of the first off-axial reflecting surface, and wherein the cemented surface is a surface which reflects at least a portion of light and transmits at least a portion of light.

Abstract: A voice coil motor is disclosed, the motor including: a mover including a bobbin including a first bobbin having a lens secured therein and a plurality of second bobbins intermittently protruded from an upper surface of the first bobbin, and a coil block secured to a periphery of the first bobbin; a stator including a magnet facing the coil block and a yoke securing the magnet; a case including a bottom case formed with the bobbin and an upper case coupled to the bottom case and having a portion that is correspondingly opened to the bobbin; and an elastic member elastically supporting the bobbin, wherein any one of the yoke and the upper case is formed with a rotation prevention unit extended to the plurality of second bobbins in order to prevent the bobbin from rotating.

Abstract: Provided are a lens assembly and an optical system including the same. The lens assembly may include a first lens having a groove region, a second lens having an insertion region that is inserted into the groove region, and a light blocking member between the first lens and the second lens. The light blocking member may be disposed between a first surface portion of the first lens and a second surface portion of the second lens, and the light blocking member may be separated from at least one of the first surface portion and the second surface portion. The lens assembly may further include at least one additional lens. The lens assembly may be applied to various optical systems.

Abstract: In an optical device, a first spring connects a first lens frame and a second lens frame for exerting a spring force thereon so that first pins of the first lens frame and second pins of the second lens frame abut a first cam groove and a second cam groove of a cam barrel respectively. A second spring connects the second lens frame and a third lens frame for exerting a spring force thereon so that the second pins of the second lens frame and third pins of the third lens frame abut the second cam groove and a third cam groove of the cam barrel respectively. The first spring may be a compression spring, and the second spring may be an extension spring.

Abstract: In one embodiment, an optical subassembly includes a housing, a ball lens, a constraining insert, and a ball lens constraint. The housing includes a fiber receptacle formed in a first end of the housing and a second receptacle formed in a second end of the housing opposite the first end. The fiber receptacle and second receptacle define a cavity through the housing from the first end to the second end of the housing. The ball lens and the constraining insert are disposed within the cavity. The ball lens constraint is configured to cooperate with the constraining insert to constrain the ball lens in three dimensions within the cavity.

Abstract: An arrangement with a multiplicity of optical semiconductor elements is disclosed. The semiconductor elements are respectively clamped against a semiconductor element carrier by way of a spring element. Additionally lying against the spring element is an optical element assigned to a respective semiconductor element, the spring element in this case being configured in such a way that it defines a fixed distance between the semiconductor element and the optical element.

Abstract: The present invention relates to method of fabricating a wafer level optical lens substrate. The method comprising providing a first wafer substrate having a plurality of bumps, applying a first polymer liquid on a first contact optical surface of said plurality of bumps, providing a second wafer substrate, and contacting said first wafer substrate with said second substrate in such that said first polymer liquid is located in a slit created between said first contact optical surface of said plurality of bumps and said second wafer substrate under capillary forces. The method comprises thereafter curing said polymer liquid(s) to form a lens.

Abstract: Method for dip treatment of an optical element, wherein the optical element is held, while it is being dipped, by a holding ring, the ring including a hoop for draining and encircling a peripheral edge of the optical element, thereby exerting continuous linear contact with the peripheral edge, the hoop forming an arc over more than 180° and being provided at each of its two ends with an outwardly-directed drip tab pointing away from the optical element.

Abstract: An optical module includes a wiring board on which a first opening and a second opening are provided having, between the first and second openings, a traversing portion on which a signal wire is arranged, an optical component that is mounted on a first plane side of the first opening and the second opening of the wiring board and that generates heat, a heat sink arranged on a second plane side, which is on a reverse of the first plane side, of the first opening and the second opening of the wiring board, and an anisotropic heat dissipation sheet that is provided between the traversing portion and the heat sink, and the optical component, and that has a thermal conductivity higher in second directions, which cross the traversing portion in a plane orthogonal to first directions, than in the first directions, which are thickness directions of the wiring board.

Abstract: Provided is a lens array including a plate-shaped light-absorbing material that is provided with plural holes separated from each other, and a lens formed of a polymer in each of the holes.

Abstract: A lens barrel includes an oscillatory wave motor which drives a lens; a manual connection ring which is operated manually to cause the lens to move along an optical axis; a slip ring which is in contact with the manual connection ring; a roller which is in contact with the slip ring and with the oscillatory wave motor; and a roller support ring which supports the roller. The slip ring is structured such that frictional resistance on a contact surface between the manual connection ring and the slip ring is smaller than frictional resistance on a contact surface between the roller and the slip ring.

Abstract: An optical connector includes a printed circuit board, a photoelectric element, a lens element, and an adhesive. The photoelectric element is positioned on and electrically connected to the printed circuit board. The positioning element is an enclosing wall extending from the printed circuit board and enclosing the photoelectric element. The lens element includes a bottom surface, an internal lens formed on the bottom surface, and a supporting leg, which is an enclosing wall extending from a periphery of the bottom surface. The supporting leg is positioned on the printed circuit board and fittingly engaged with the positioning element. The adhesive is applied between the supporting leg and the printed circuit board.

Abstract: There is provided a camera module including: a lens barrel having one or more lenses positioned along an optical axis; and a housing having the lens barrel therein, wherein the housing includes a first through hole into which the lens barrel is inserted and a second through hole having a diameter larger than that of the first through hole.

Abstract: A light emitting diode module includes a lead frame, a first light emitting diode chip, a second light emitting diode chip, an encapsulant, and a lens structure. The lead frame has a die-bonding surface and a side wall together defining an accommodating recess. The encapsulant is filled in the accommodating recess, and covers the first and the second light emitting diode chips. The lens structure disposed on the lead frame has a bottom surface, a reflective surface, a first, a second, a third, and a fourth light emitting curved surface. The light emitting curved surfaces are respectively disposed opposite to the bottom surface. An adjacent position among the light emitting curved surfaces is a lowest point nearest to the bottom surface. The first and the second light emitting diode chips are disposed at the projections of the first and the second light emitting curved surface on the die-bonding surface.

Abstract: In a camera module (51), a lid glass (15) protrudes from a sensor cover (14) toward an image pickup lens (1), and a base section (9) includes an overhanging part (9b) overhanging in such a manner as to cover part of the lid glass (15).

Abstract: An imaging lens assembly includes a barrel and a lens assembly, wherein the lens assembly is disposed in the barrel. The barrel has an incident light surface and a barrel cylindrical axis, wherein the incident light surface includes a specular region including at least one specular protrusion region disposed thereon. An angle between a shortest line from an innermost edge to an outermost edge of the specular protrusion region and a normal line to the barrel cylindrical axis is ?.

Abstract: A holding device (1) holds a lens (6) at its lens edge (5) with the aid of an adhesive connection (16, 17). The adhesive connection (16, 17) is applied only at one adhesive point or only at two spaced apart adhesive points (16, 17). Each holding device (1) provided with a lens (6) is positioned on the dip frame in such a manner that the lens (6) is positioned above its holding device (1). A method is provided for finishing lenses (6) wherein the lenses (6) are subjected to various sequential finishing steps of a finishing process and the lenses (6) are cemented to the same holding device during finishing. The application of adhesive is only at one adhesive point or at two spaced apart adhesive points (16, 17).

Abstract: An opto-mechanical device, such as a lens cell, includes a housing having an axially extending chamber and an intermediate internal spacer that positions a sharp-edged lens in the chamber. The sharp-edged lens has first and second optical surfaces that intersect in a circumferential sharp edge. The housing positions an image sensor proximal to the sharp-edged lens for processing light therefrom.

Abstract: The optical apparatus includes a first holding member holding an optical element, a second holding member holding the first holding member, and an adjustment mechanism. The adjustment mechanism includes a fulcrum portion provided at one place in a circumferential direction and connecting the first and second holding member so as to allow movements of the first holding member in decentering and tilting correction directions with respect to the second holding member. The adjustment mechanism further includes two decentering adjustment portions arranged in the circumferential direction and each including a first adjusting member, and two tilting adjustment portions arranged in the circumferential direction and each including a second adjusting member. The first and second adjusting members each have an eccentric portion eccentric with respect to its rotation center portion.