Abstract: In an example embodiment, a WDM array includes an optical filter, N common ports, N reflection ports, and N pass ports. The N common ports may be positioned to a first side of the optical filter. N may be greater than or equal to two. The N reflection ports may be positioned to the first side of the optical filter. The N pass ports may be positioned to a second side of the optical filter opposite the first side.

Abstract: An optical device includes an optical reflector based on a coupled-loopback optical waveguide. In particular, an input port, an output port and an optical loop in arms of the optical reflector are optically coupled to a directional coupler. The directional coupler evanescently couples an optical signal between the arms. For example, the directional coupler may include: a multimode interference coupler and/or a Mach-Zehnder Interferometer (MZI). Moreover, destructive interference during the evanescent coupling determines the reflection and transmission power coefficients of the optical reflector.

Abstract: An optical device comprises optical fibers and a holder. The holder includes one end portion, an other end portion, and a supporting portion extending in a direction of a first axis from the one end portion to the other end portion. The one end portion includes a first end face extending along a first reference plane intersecting with the first axis from a side of the holder to cladding regions of the optical fibers; a second end face extending along a second reference plane from the one end portion to the other end portion; and a third end face extending along a third reference plane inclined at an angle of less than 90 degrees and more than zero degrees relative to the first axis. The cladding regions of the optical fibers are disposed at the second end face. The optical fibers have respective tips disposed at the third end face.

Abstract: Provided herein are switching methods and systems for switching a patch cord fiber in a fiber management system having non-tensioned patch cord fibers, from a first adapter to a second adapter. Switching comprises disconnecting the patch cord fiber connector from the first adapter; distinguishing the disconnected patch cord fiber, at a region removed from the connector, from other patch cord fibers according to a position of the patch cord fiber in the fiber management system; pulling the distinguished patch cord fiber at the handling region to receive and clasp the disconnected connector, wherein the pulling is carried out to disentangle the pulled patch cord fiber from the other patch cord fibers; and connecting the clasped connector to the second adapter. The patch cord fibers are thus manages at edges thereof only, with no slack control required.

Abstract: An optical cross-connect connecting a series of optical input ports to a series of optical output ports includes at least a first group of input/output port arrays, each including a series of optical input/output ports disposed horizontally and configured to project or receive optical signals. A plurality of steering elements selectively steer optical signals along switching trajectories between the input and output ports. An angle-to-offset conversion unit converts optical signals propagating at the horizontal intra-array angles to corresponding spatial offset signals in the horizontal dimension. An optical interconnect includes a series of input/output regions, each being specific to a corresponding input/output port array and the input/output regions being divided vertically into elongated switching rows.

Abstract: The number of wavelength selective switch (WSS) units in a WSS device can be doubled by using polarization properties of optical beams propagating through the WSS device. Beams from different WSS units are orthogonally polarized at the front end, propagated through collimator, wavelength dispersing element, and a focusing element, and impinge on a polarizing beamsplitter, which directs sub-beams at different polarizations to different directing elements of a director array. A polarization diversity configuration at the back end can be used to reduce polarization dependent loss.

Abstract: An embedded optical fiber termination device includes a fiber holder with an inner bore and an outer surface. The inner bore is configured to receive a length of optical fiber therein. A removable armature is positioned about a portion of the outer surface of the fiber holder and is removably positioned around a portion of the fiber holder. A composite structure and a method of using the embedded device are also provided.

Abstract: According to an aspect of the invention, an optical receptacle, comprising: a fiber stub including an optical fiber, a ferrule, and an elastic member, the optical fiber including cladding and a core for conducting light, the ferrule having a through-hole fixing the optical fiber, the elastic member being filled into the through-hole of the ferrule with the optical fiber; and a holder holding the fiber stub, the through-hole of the ferrule including a small diameter portion and a large diameter portion, the optical fiber being disposed in the small diameter portion, the large diameter portion being provided on a side opposite to a side to be optically connected to a plug ferrule, the optical fiber being disposed in the small diameter portion inside the through-hole of the ferrule over the entire region of the optical fiber, the elastic member having substantially the same refractive index as the core, being filled into the small diameter portion and the large diameter portion, and being polished to cause at le

Abstract: The present disclosure relates to an optical fiber alignment device that has an alignment housing that includes first and second ends. The alignment housing defines a fiber insertion axis that extends through the alignment housing between the first and second ends. The alignment housing includes a fiber alignment region at an intermediate location between the first and second ends. First and second fiber alignment rods are positioned within the alignment housing. The first and second fiber alignment rods cooperate to define a fiber alignment groove that extends along the fiber insertion axis. The first and second fiber alignment rods each having rounded ends positioned at the first and second ends of the alignment housing.

Abstract: An optical fiber connector includes a collar body with a defined interior space extending from a first end to a second end, a backbone with a main body portion and a cover portion extending from the main body portion, the backbone having a defined interior space extending from a first end to a second end, and a boot with a defined interior space extending from a first end to a second end, a portion of the defined interior space including a convex interior wall. The collar body is inserted into at least a portion of the backbone defined space and the backbone is inserted into at least a portion of the boot defined space. The boot interior wall is configured to resist against the backbone cover portion to clamp an optical fiber in the backbone main body portion.

Abstract: The present subject matter relates to a method, system and device for connecting conduit to an enclosure. The method, system and device comprise a conduit adapter having a two-piece housing and an insert plate. The insert plate is interchangeable with other insert plates having various sized through holes. A conduit is attached to an insert plate via a suitable connector. The insert plate is selected to have an appropriately sized through hole for the conduit being attached. The selected insert plate having the conduit attached then is enclosed between the two halves of the housing of the conduit adapter. The conduit adapter is then secured in the entry port of the enclosure.

Abstract: An opto-electronic assembly is provided comprising a substrate (generally of silicon or glass) for supporting a plurality of interconnected optical and electrical components. A layer of sealing material is disposed to outline a defined peripheral area of the substrate. A molded glass lid is disposed over and bonded to the substrate, where the molded glass lid is configured to create a footprint that matches the defined peripheral area of the substrate. The bottom surface of the molded glass lid includes a layer of bonding material that contacts the substrate's layer of sealing material upon contact, creating a bonded assembly. In one form, a wafer level assembly process is proposed where multiple opto-electronic assemblies are disposed on a silicon wafer and multiple glass lids are molded in a single sheet of glass that is thereafter bonded to the silicon wafer.

Abstract: Embodiments herein include an optical system that passively aligns an optical component (e.g., a fiber array connector, lens array, lens body, etc.) with a semiconductor substrate using trenches that mate with optical fiber stubs. In one embodiment, the trenches are etched into the semiconductor substrate which provides support to optical devices (e.g., lasers, lens arrays, photodetectors, etc.) that transmit optical signals to, or receive optical signals from, the optical component. An underside of the optical component is etched to include at least two grooves (e.g., V-grooves) for receiving optical fiber stubs. In one embodiment, the optical fiber stubs are a portion of optical fiber that includes the core and cladding but not the insulative jacket. Once the fiber stubs are attached to the grooves, the fiber stubs are disposed into the trenches in the semiconductor substrate thereby passively aligning the optical component to the optical device on the substrate.

Abstract: In an embodiment, a pluggable connector configured to removably couple an end of an optical cable to an optoelectronic module includes a first portion and a second portion. The first portion is configured to engage a latch slot of the optoelectronic module to retain within the optoelectronic module a ferrule optically coupled to optical fibers of the optical cable. The second portion is configured to engage the ferrule to prevent removal of the ferrule from within the optoelectronic module when the first portion engages the latch slot.

Abstract: Described are embodiments of apparatuses and systems of an active optical cable assembly including a connector plug configured to resist stress to optical fibers of the cable assembly. The connector plug may include a light engine mounted on a substrate, a jumper mounted on the substrate and configured to convey optical signals between an optical fiber and the light engine, and a fiber holder assembly configured to constrain motion of the optical fiber, the fiber holder assembly including a fiber holder on a first side of the substrate and a fiber holder cover on a second side of the substrate such that the optical fiber is fixedly held between the fiber holder and the fiber holder cover. Other embodiments may be described and/or claimed.

Abstract: Embodiments of a system that includes an array of chip modules (CMs) is described. In this system, a given CM in the array includes a semiconductor die that is configured to communicate data signals with one or more adjacent CMs through electromagnetic proximity communication using proximity connectors. Note that the proximity connectors are proximate to a surface of the semiconductor die. Moreover, the given CM is configured to communicate optical signals with other CMs through an optical signal path using optical communication, and the optical signals are encoded using wavelength-division multiplexing (WDM).

Abstract: A reinforcing cable for a prestressed concrete structure is disclosed. The cable has an optical fiber entwined between the twisted wire ropes that form the cable. The optical fiber facilitates in situ monitoring of cable integrity by comparing optical signal transmission over time.

Abstract: A connection system includes an optical connector assembly; and an optical plug. The connector assembly includes a stack of gel-groove assemblies and a spring assembly mounted within a housing. Each of the gel-groove assemblies includes a first gel block at a first axial end, a second gel block at a second axial end, and a fiber mating region between the first and second gel blocks. The optical plug including sub-modules over-molded over arrays (e.g., ribbons) of the optical fibers. Each sub-module defines notches for receiving latches of the spring assembly when the optical plug is coupled to the first axial end of the optical adapter. Bare optical fibers extend from the plug, pass through the first axial gel block, and enter the fiber mating region when the plug is coupled to the adapter.

Abstract: A splitter module holding system and fiber distribution hub cabinet and related method are provided. The splitter module holding system is configured to add additional splitter modules to a fiber distribution hub cabinet that includes preinstalled optical fiber splitter modules. The splitter module holding system is configured to receive at least four splitter modules and to support the at least four splitter modules from a surface within a fiber distribution hub cabinet that is distinct and separate from the position and location of the preinstalled optical fiber splitter modules.

Abstract: Aspects of the present disclosure relate to a fiber management structure including a splice tray. The splice tray includes a front side and a back side. The fiber management structure includes a first attachment module that mounts by a location-selectable connection to the splice tray at a selected mounting location. The selected mounting location being one of a plurality of different mounting locations at which the first attachment module can be mounted to the splice tray. The first attachment module includes a fiber containment wall that projects upwardly from the front side of the splice tray when the first attachment module is mounted to the splice tray.

Abstract: An apparatus for releasably attaching a fiber optic module to equipment is disclosed. The apparatus comprises a latch configured to releasably attach the fiber optic module to equipment. The apparatus further comprises a pushrod configured to deactivate the latch from a back end of the fiber optic module, wherein the fiber optic module is released from the equipment. In one embodiment, the fiber optic module is a high-density fiber optic module. The pushrod may be further configured to maintain a position of the latch. The pushrod may also be further configured to be positioned in a groove disposed in a side of a main body of the fiber optic module, wherein the pushrod and the groove are configured to prevent the pushrod from binding while moving within the groove.

Abstract: A sliding tray is configured to support one or more optical communications modules and includes a body portion having one or more mounting locations for the one or more optical communications modules, a trough projecting from the body portion and configured to support optical fibers connected to the one or more optical communications modules, and a cover pivotably connected to the tray for selectively covering the trough.

Abstract: A breakout assembly includes a housing including a first end and a second end. A retaining member includes a first end configured to receive a fiber optic cable and a second end attaching to the first end of the housing and retaining exposed stripped layers of the fiber optic cable. A breakout head is configured to insert into the second end of the housing and includes holes for receiving furcation tubes. A nut holds the breakout head inside of the second end of the housing. Different optical fibers from the fiber optic cable are inserted into the furcation tubes and held by the breakout head. An outside surface of the breakout head and an inside surface of the second end of the housing have round side surfaces extending between flat top and bottom surfaces that prevent the breakout head from rotating within the housing.

Abstract: A splice holder is disclosed comprising elongate opposed members each comprising a plurality of splice receivers each comprising an inner surface defining a plurality of apertures for deceiving a plurality if different diameters of optic fiber splices.

Abstract: Optical termination box comprises: a base (10) articulating a lid (20) and fixing trays (80) for accommodating optical fiber splices and extensions; a panel (40) removably mounted on an opening (13) of a peripheral wall portion (12) of the base (10) and provided with cable openings (41) for passage of respective optical cables and connection openings (42) housing a respective fixed connector (50) for receiving a movable connector (55) of a respective approach cable (CA); a base plate (60) removably secured within the base (10) and carrying the anchoring means (65) and a support (70) that articulates trays (80), wherein the base plate (60), the anchoring means (65), the support (70) and the trays (80) form an internal module (IM) removable from the base (10) together with the panel (40) without dismantling of the anchors and optical connections between distribution cables (CD) and any extension cables (EC) and approach cables (CA).

Abstract: There is disclosed a system and associated method for mounting an optical component in an optical arrangement. An optical component (1) is provided having a circular edge region (5). A mount (9) having a circular wall is also provided, the circular wall being configured for radially-spaced cooperation with the circular edge region of the optical component. The system is configured such that one of said circular edge region (5) and said circular wall (17) has a plurality of spaced-apart protrusions (23) provided around it. The other of the circular edge region (5) and the circular wall (17) has a plurality of spaced-apart recesses provided around it. The protrusions (23) and the recesses (7) are configured such that each protrusion (23) may be aligned with a respective recess (7) and engaged within said recess (7) via relative rotation between the optical component (1) and the mount (9).

Abstract: A lens array fabrication method for fabricating a lens array includes: receiving pins of a film attaching instrument (jig) in second guide holes of a film-containing base plate; bonding a placement area and an adhesion layer (F); removing the pins; causing a detachment between a first detachment film (C) and a pressure-sensitive adhesive optical film (D); separating three layers (D) to (F) from two layers (B) and (C); receiving the pins in first guide holes of a lens array main unit; fitting a film holding protrusion in a depression part; bonding the film (D) to a bonding region (i); removing the pins; and causing a detachment between the film (D) and a second detachment film (E).

Abstract: Provided is an apparatus for fixing a solid immersion lens (SIL) in an optical system. The apparatus includes a first adapter; a second adapter screw-coupled to the inner surface of the first adapter and screw-coupled to the outer surface of a third adapter to pressurize a first O-ring; the third adapter screw-coupled to the inner surfaces of the second adapter and a fourth adapter; the fourth adapter screw-coupled to the outer surface of the third adapter to pressurize a second O-ring; the first and second O-rings elastically fixing an outer surface of a barrel of an infrared ray (IR) objective lens; and an SIL holder mounting the SIL onto the first adapter.

Abstract: A VCM (voice coil motor) is disclosed, the VCM including: a rotor including a lens-accommodating, both ends opened cylindrical bobbin and a coil block including a coil wound on a periphery of the bobbin; a stator including a cylindrical yoke formed with a lens-exposing opening, a plurality of magnets disposed inside the yoke and opposite to the coil block, and a housing disposed inside the yoke to fix the plurality of magnets; and an elastic member elastically supporting the bobbin.

Abstract: A driving member, a linear driving device using the driving member, a camera device and an electronic device are provided. The driving member (10) includes a deformable thin plate (16) having a flexible thin plate (12) capable of expanding and contracting itself under the applied voltage and an elastic thin plate (14) having at least one side thereof rigidly fixed to the flexible thin plate (12) and a driving shaft (30) having its one axial end rigidly fixed to the deformable thin plate (16) and being capable of undergoing displacements that are operatively associated with the deformation of the deformable thin plate (16), wherein the driving shaft (30) has the lateral side portion (32) of the one axial end thereof rigidly fixed to the corresponding inner side portion of a through hole formed on the deformable thin plate (16).

Abstract: A lens holder driving apparatus is disclosed. The lens holder driving apparatus includes a housing, an auto-focusing lens holder driving portion and a fixed portion. The auto-focusing lens holder driving portion includes an octagonal lens holder with a focusing coil, a positioning magnet mounted on the lens holder, a magnet holder with a magnet group including a bracket having a sidewall, a pillar projecting at the four corners of the sidewall of the bracket, and a first notch disposed at the pillar face to the focusing coil. The fixed portion includes a base having a sidewall, a FPC mounted on the sidewall of the base and a Hall element electrically connecting with the FPC inserted into the first notch for detecting the position of the positioning magnet so as to adjust the position of the lens holder.

Abstract: A camera module (1) which includes a lens (3); a spring member (9a, 9b) which elastically urges the lens (3) toward an initial position along an optical axis direction; an electromagnetic drive means (11) capable of driving the lens (3) along the optical axis direction by producing an electromagnetic force against an urging force of the spring member (9a, 9b); and a control means (12) configured to control a drive current supplied to the electromagnetic drive means (11), wherein the spring member (pa, 9b) contains 2.9% to 3.5% by mass of Ti, with the balance being copper and inevitable impurities, and has a Vickers hardness equal to or greater than 350.

Abstract: A camera lens includes, lined up from the object side to the image side, a first lens with positive refractive power, a second lens with negative refractive power, a third lens with positive refractive power, and a fourth lens with negative refractive power. The camera lens satisfies specific conditions.

Abstract: An imaging lens elements are arranged in order from an object side, an aperture stop, positive first lens having convex object-side and image-side surfaces, negative meniscus second lens having a concave image-side surface, positive third lens having at least one aspheric surface, positive double-sided aspheric fourth lens, and negative double-sided aspheric fifth lens having concave object-side and image-side surfaces with its image-side surface having a pole-change point off the axis. It satisfies conditional expressions below: 0.5<f1/f<1.0??(1) 10.0<f3/f??(2) 0.8<(r3+r4)/(r3?r4)<2.0??(3) where f: focal length of the imaging lens overall optical system f1: first lens focal length f3: third lens focal length r3: curvature radius of the second lens object-side surface r4: curvature radius of the second lens image-side surface.

Abstract: The imaging lens substantially consists of a first lens having a biconvex shape, a second lens having a negative refractive power, a third lens having a negative refractive power and a convex surface that faces the object side, a fourth lens having a positive refractive power, and a fifth lens having a negative refractive power, of which at least one of the object-side surface and the image-side surface has at least one inflection point, in this order from the object side; and wherein conditional expression (1A): ?0.38<f/f45<?0.01 is satisfied. This conditional expression is related to the focal length f of the entire system and the combined focal length f45 of the fourth lens and the fifth lens.

Abstract: An imaging lens is constituted of five lenses, including, in order from the object side to the image side: a first lens having a positive refractive power, which is of a meniscus shape having a convex surface toward the object side; a second lens having a negative refractive power and a concave surface toward the image side; a third lens having a positive refractive power, which is of a meniscus shape having a convex surface toward the object side; a fourth lens having a negative refractive power; and a fifth lens having a negative refractive power and at least one inflection point on the surface thereof toward the image side. Predetermined conditional formulae are satisfied.

Abstract: An imaging lens is constituted essentially by six lenses, including, in order from the object side to the image side: a first lens having a positive refractive power and a convex surface toward the object side; a second lens having a negative refractive power; a third lens having a positive refractive power and is of a biconvex shape; a fourth lens having a positive refractive power; a fifth lens having a negative refractive power and a concave surface toward the object side; and a sixth lens having a negative refractive power, of which the surface toward the image side is of an aspherical shape which is concave in the vicinity of the optical axis and convex at the peripheral portion thereof. Predetermined conditional formulae are satisfied.

Abstract: A camera lens includes, lined up from the object side to the image side: a first lens with positive refractive power, a second lens with negative refractive power, a third lens with positive or negative refractive power, a fourth lens with positive refractive power, and a fifth lens with negative refractive power. The camera lens satisfies specific conditions.

Abstract: A photographic lens and a photographic apparatus including the same are provided. The photographic lens includes a first lens including a convex surface toward an object side and having a positive refractive power, a second lens including a concave surface toward an image side and having a negative refractive power, a third lens having a positive refractive power or a negative refractive power, a fourth lens having a positive refractive power or a negative refractive power, a fifth lens including a convex surface toward the image side and having a positive refractive power, and a sixth lens including a concave aspherical shape with respect to an optical axis toward the image side and having a negative refractive power. The first to sixth lenses may be sequentially arranged from the object side to the image side.

Abstract: An imaging lens includes a first lens group and a second lens group, arranged in this order from an object side to an image plane side. The first lens group includes a first lens, a second lens having positive refractive power, and a third lens. The second lens group includes a fourth lens, a fifth lens, and a sixth lens. The third lens and the fourth lens are arranged in a specific configuration.

Abstract: A zoom lens includes, in order from the object side, a positive first group, a negative second group, a stop, a positive third group, a negative fourth group, and a positive fifth group. During magnification change from the wide-angle end to the telephoto end, the first to fourth groups are moved to always increase the distance between the first and second groups, always decrease the distance between the second and third groups, and change the distance between the third and fourth groups and the distance between the fourth and fifth groups. The third group includes, in order from the object side, at least a positive lens, a positive lens, a negative lens, and a positive lens, and satisfies condition expression (1) below: 25<?dD??dA<70??(1), where ?dA and ?dD are Abbe numbers at the d-line of the most object-side lens A and the most image-side lens D.

Abstract: A zoom lens is provided which has a wide angle of view and is bright and in which the entire lens system is compact and which can achieve high optical characteristic over the entire zoom range.

Abstract: A projection lens includes a first lens group having negative refractive power, a second lens group having positive refractive power, a third lens group having negative refractive power, a fourth lens group having negative refractive power, a fifth lens group having positive refractive power, and a sixth lens group having positive refractive power, in sequence from an enlargement conjugate side, the projection lens performing magnification by changing the spacing between the lens groups, wherein at the time of magnification from the telephoto end to the wide-angle end, the second, third, fourth, and fifth lens groups are moved, and an aperture stop is arranged between the surface of the third lens group closest to a reduction conjugate side and the surface of the fifth lens group closest to the enlargement conjugate side.

Abstract: A light collector includes: a light guide; optical blocks, each of which has top and bottom surfaces and front and rear surfaces which extend curvedly and frontwardly from the top surface to the bottom surface, the rear surface exhibiting total internal reflection and having a focal point; and optical coupling protrusions, each of which protrudes from the bottom surface, each of which is disposed at the focal point and each of which is coupled to the light-entrance surface of the light guide. The front surface of one of every two adjacent ones of the optical blocks overlaps the rear surface of the other of every two adjacent ones of the optical blocks along a normal direction of the light guide.

Abstract: A vapor-condensation-assisted optical microscopy system comprises a vapor-condensation-assisted device and an optical microscope. The vapor-condensation-assisted device comprises air blowing device, a vapor producing device and a guide pipe. The vapor producing device connects the air blowing device with the guide pipe. The optical microscope comprises an observing device, an image processing device, a support frame and a stage. The stage, the guide pipe of the vapor-condensation-assisted device, the observing device, and the image processing device are fixed on the support frame. The vapor-condensation-assisted device is configured to provide a vapor to sample on the stage in application.

Abstract: The present invention relates to a confocal laser scanning microscope (100) having an illumination device (1) that comprises a laser light source (41) that is configured to illuminate a sample (25), and a control application circuit (40) for the laser light source (1) which is configured to output a pulsed control application signal (48) in order to supply the laser light source (41), the control application circuit (40) being configured so that it determines both a pulse amplitude (A) and a pulse width (W) of at least one pulse of the pulsed control application signal (48) as a function of at least one input variable (S).

Abstract: Systems and techniques for an optical scanning microscope and/or other appropriate imaging system includes components for scanning and collecting focused images of a tissue sample and/or other object disposed on a slide. The focusing system described herein provides for determining best focus for each snapshot as a snapshot is captured, which may be referred to as “on-the-fly focusing.” The devices and techniques provided herein lead to significant reductions in the time required for forming a digital image of an area in a pathology slide and provide for the creation of high quality digital images of a specimen at high throughput.

Abstract: Aberrations in stimulated emission depletion microscopy are corrected using an adaptive optics approach using a metric which combines both image sharpness and brightness. Light modulators (22,32) are used to perform aberration correction in one or more of the depletion path (10), the excitation path (12), or the emission path from sample to detector.

Abstract: A microscope apparatus includes: an objective lens; a CCD that constructs an image of a sample S; an illumination intensity change unit for adjusting an intensity of excitation light; a sensitivity adjustment unit for adjusting a detection sensitivity by the CCD; a galvanometer mirror for changing a light focusing position of excitation light at a pupil position of the objective lens; a storage unit that stores, for each observation method, a predetermined intensity, a predetermined detection sensitivity, and the light focusing position; and a control unit that switches the observation method, reads out the intensity, the detection sensitivity, and the light focusing position according to the observation method based on a synchronization signal synchronized with a frame signal for constructing an image, and controls the illumination intensity change unit, the sensitivity adjustment unit, and the galvanometer mirror.

Abstract: An instrument for scanning a specimen has a two-dimensional sensor array, the sensor array containing a mosaic color filter array or a scanning color filter array. The instrument can be operated in fluorescence or in brightfield. The scanning color filter array has the same color throughout each row with adjacent rows having different colors.