Abstract: In order to improve the scratch resistance of an antireflective article having a moth-eye structure, an antireflective article is provided that has fine protrusions densely arranged therein, and has the interval between adjacent fine protrusions being no more than the shortest wavelength in the wavelength band for antireflection. At least some of the fine protrusions are fine protrusions having a plurality of apexes.

Abstract: A polarizing plate protective film contains a compound represented by general formula (II-1) or (II-2). In general formulas (II-1) and (II-2), X represents a 6-membered cyclic acetal group; n represents an integer of 2 or more; and a plurality of Xs may be identical or different. In general formula (II-1), Z2 represents a linking group having a valence of n; R1 represents a substituent, when there are a plurality of R1s, at least two of the plurality of R1s may be taken together to form a ring, R1s in different benzene rings may be taken together to form a single bond; m represents an integer of 0-4; and the plurality of R1s may be identical or different. In general formula (II-2), Z3 represents an alkylene group having a valence of n, provided that Z3 does not have a ring structure.

Abstract: Provided is a method of fabricating a light functional substrate. The method includes applying particles onto a surface of water contained in a container to form a monolayer constituted by the particles, immersing a substrate into the container, drawing the substrate out of the container to form patterns constituted by the particles on the substrate in a first direction, and forming a planarization film covering the patterns on the substrate.

Abstract: An optical head for receiving incident light is provided. The optical head comprises a transmissive cosine corrector and a reflector disposed to face the transmissive cosine corrector. The transmissive cosine corrector is disposed in an optical path of the incident light and shields the reflector from the incident light. The transmissive cosine corrector converts the incident light to scattered light having a Lambertian pattern. The reflector has an optical output section that transmits the scattered light and a reflective section that reflects the scattered light to the transmissive cosine corrector and/or the other portions of the reflective sections. An optical system using the optical head is also provided.

Abstract: A broadband mirror, polarizer, or other reflector includes at least one stack of microlayers. Microlayers in the stack are arranged into optical repeat units. At a design angle of incidence such as normal incidence, the stack provides a 1st order reflection band, a 2nd order reflection band, and optionally a 3rd order reflection band. The 2nd order reflection band overlaps, or substantially overlaps, the 1st and/or 3rd order reflection bands to form a single wide reflection band. The wide reflection band may include the 2nd and 1st but not a 3rd order reflection band, or the 2nd and 3rd but not the 1st order reflection band, or it may include the 1st, 2nd, and 3rd order reflection bands, as well as still higher order reflection bands. The wide reflection band may cover at least a portion of visible and infrared wavelengths.

Abstract: A manufacturing method of a Blazed diffraction grating configured to diffract incident light and made of a CdTe or CdZnTe crystal material includes the step of forming a plurality of grating grooves in a processed surface of a work through machining using a processing machine for the Blazed diffraction grating. The forming step forms the grating grooves so that among surfaces of gratings formed by the forming step, a surface that receives the incident light most is set to a (110) plane as a crystal orientation of the crystal material.

Abstract: A red pixel has a chromaticity coordinate in the CIE colorimetric system in use by a light emitting element containing quantum dots as a light source, satisfying 0.670?x?0.680, and a film thickness of 3.0 ?m or less. A green pixel has a chromaticity coordinate in the CIE colorimetric system in use by the light emitting element as a light source, satisfying 0.690?x?0.710, and a film thickness of 3.0 ?m or less. The color filter has at least one of the red pixel and the green pixel. A display device comprises a color filter having at least one of the red pixel and the green pixel, and the light emitting element containing quantum dots.

Abstract: A display apparatus with improved light-transmitting property in transparent mode is presented. The apparatus includes a substrate, a plurality of display devices disposed on the substrate, and color filters, wherein the plurality of display devices are interposed between the color filters and the substrate, the color filters transmitting visible rays of a predefined wavelength band only when ultraviolet (UV) rays are received, and transmitting visible rays when no UV rays are received.

Abstract: A transparent heat-shielding member according to the present invention includes a transparent base substrate, an infrared reflective layer and a transparent screen function layer. The infrared reflective layer includes at least one selected from a metal oxide layer and a metal nitride layer, and a metal layer. The transparent screen function layer is formed of a light diffusing layer. The light diffusing layer contains light diffusing particles and a transparent resin. The light diffusing particles are dispersed in the transparent resin. The transparent heat-shielding member has a visible light reflectance measured in accordance with JIS R3106-1998 of 12% or more and 30% or less, a haze value measured in accordance with JIS K7136-2000 of 5% or more and 35% or less, and a shading coefficient measured in accordance with JIS A5759-2008 of 0.69 or less.

Abstract: The present disclosure relates to a photosensitive composition for a green color filter. More particularly, the present disclosure relates to a dye for a green color filter which has a high light transmittance; a photosensitive composition including the dye; and a green color filter manufactured using the photosensitive composition.

Abstract: A dichroic coating can be applied to a glass window of an electronic device to enhance the cosmetic and aesthetic appeal of the device. Different processes can be applied to the glass window in combination with a dichroic coating. For example, a layer of ink can be applied to the glass window in addition to one or more layers of dichroic material. The material layers can cover any suitable portion of the glass. For example, the material layers can include holes or openings. As another example, the material layers can be constructed from several distinct shapes placed on the glass. In some cases, software applications can be used to define a desired color profile for a coating, and to retrieve a suitable combination of dichroic and other layers to provide the desired color profile.

Abstract: An optical filter device includes an interference filter and a housing. The interference filter includes a fixed substrate, a movable substrate joined to the fixed substrate, a fixed reflective film provided on the fixed substrate, and a movable reflective film provided on the movable substrate and opposed to the fixed reflective film across an inter-reflective film gap. The housing includes a base substrate on which the interference filter is arranged. A fixing member is arranged between the movable substrate and the base substrate. The movable substrate is fixed to the base substrate by the fixing member in one place excluding a region where the movable reflective film is provided.

Abstract: A high-chroma omnidirectional red structural color pigment. The omnidirectional structural color pigment is in the form of a multilayer stack that has a reflective core layer, a semiconductor absorber layer extending across the reflective core layer, and a high index of refraction dielectric layer extending across the semiconductor absorber layer. The multilayer stack reflects a single band of visible light with a hue between 0-40°, and preferably between 10-30°, on an a*b* Lab color map. The single band of visible light has a hue shift of less than 30° on the a*b* Lab color map when viewed from all angles between 0-45° normal to an outer surface of the multilayer stack.

Abstract: To provide an inorganic polarizing plate which, when used in structures having different used wavelength bands, can reduce reflectance by using a common structure, making it possible to achieve a predetermined light extinction ratio. The inorganic polarizing plate has a substrate that is transparent to light in a used bandwidth, a reflective layer that is composed of grids that are formed on one surface of the substrate with a pitch that is smaller than a wavelength of light in the used bandwidth, a dielectric layer that is stacked on the reflective layer, and an absorbing layer containing FeSi fine particles.

Abstract: A laser-operated light source encompasses a chamber for accommodating an ionizable gas and an ignition source for ionizing the gas in the chamber for generating a plasma. The light source encompasses a laser for inputting laser energy into the plasma such that, under the impact of the laser radiation, the plasma emits useful light, which forms the output signal of the light source, wherein provision is made for means for coupling the useful light into a transferring optical fiber. An optical system for imaging the plasma onto the end of the optical fiber, which faces the optical system, is arranged between the chamber and the transferring optical fiber, wherein the optical system is corrected for reducing the chromatic aberration.

Abstract: The embodiments of the invention disclose a scanning type backlight module and a display device. Since a laser light source with good collimation is applied, during a display time of a frame, with the modulation of the optical path regulator, the laser emitted from the laser light source performs a progressive scanning for a region corresponding to at least one row of pixel units in a light guide plate or a display panel. Therefore, the problem of dynamic picture ghosting can be solved effectively; moreover, since the progressive scanning for the entire light guide plate can be realized by changing the light propagation path of the laser emitted from the laser light source with the optical path regulator, the number of the laser light sources can be reduced and the production cost can be decreased.

Abstract: A light guide plate has a light guide plate member having a light incident surface on an end face of the light guide member, and a light emitting surface on a front surface of the light guide plate member, wherein the light incident surface is structured to have light incident thereon, and wherein the light emitting surface is structured to widen and emit light incident thereon out of the light guide plate member, and a directivity changing unit arranged on a light incident end portion of the light guide plate member on the front surface or a back surface of the light guide plate member. The directivity changing unit has a first inner inclined surface and a second inner inclined surface that change a directivity of the incident light within the directivity changing unit to widen the light laterally with respect to a direction perpendicular to the light incident surface.

Abstract: A light guide plate, a backlight module and a display device employing the same. The light guide plate is configured to guide light emitted from an LED lamp on an LED lamp strip, and a light incident surface of a side portion of the light guide plate is provided with an indentation; when the LED lamp is locked in the indentation, a light emitting center line of the LED lamp coincides a light incident center line of the light guide plate. The backlight module includes a light guide plate, and the display device includes the above backlight module.

Abstract: A display module is provided. A light source is configured to provide an illumination beam. A light guide plate has a first surface, a second surface opposite to the first surface, and an incident surface connecting the first surface and the second surface. The illumination beam enters the light guide plate through the incident surface. An optical structure is connected to the light guide plate and configured to change a propagation direction of the illumination beam. A reflective display unit is capable of modulating a polarization state of the illumination beam to form a modulated beam. The second surface is disposed between the reflective display unit and the first surface. The first surface is disposed between the second surface and a reflective polarizer, and the reflective polarizer filters the modulated beam into an image beam.

Abstract: An imaging directional backlight apparatus including a waveguide, a light source array, for providing large area directed illumination from localized light sources. The waveguide may include a stepped structure, in which the steps may further include extraction features optically hidden to guided light, propagating in a first forward direction. Returning light propagating in a second backward direction may be refracted, diffracted, or reflected by the features to provide discrete illumination beams exiting from the top surface of the waveguide. Viewing windows are formed through imaging individual light sources and hence defines the relative positions of system elements and ray paths. The uncorrected system creates non-illuminated void portions when viewed off-axis preventing uniform wide angle 2D illumination modes.

Abstract: A display device includes a lower frame arranged on a side opposite to a display surface of a display panel. The lower frame includes a bottom wall portion, and a side wall portion that is formed so as to surround the bottom wall portion at an edge thereof. The display device also includes a plurality of light sources arranged along the side wall portion of the lower frame and a heat sink configured to dissipate heat generated from the plurality of light sources. The heat sink includes a plurality of groove portions that are formed along the bottom wall portion in a direction extending from the plurality of light sources.

Abstract: Some embodiments of the disclosure relate to an optical transmission system that operates at a wavelength in the range from 950 nm to 1600 nm and that employs a single-mode optical transmitter and an optical receiver optically coupled to respective ends of a multimode fiber designed for 850 nm multimode operation. The optical transmission system also employs at least one single mode fiber situated within the optical pathway between the optical transmitter and the receiver and coupled to the multimode fiber.

Abstract: The invention concerns a multimode optical fiber, with a graded-index core co-doped with at least fluorine F and germanium GeO2 and a refractive index profile with at least two ?-values. According to the invention, the concentration of fluorine F at the core center ([F]r=0) is between 0 and 3 wt % and the concentration of fluorine F at the core outer radius ([F]r=a) is between 0.5 wt % and 5.5 wt %, with [F]r=a?[F]r=>0.4 wt %. For wavelengths comprised between 850 nm and 1100 nm, said multimode optical fiber has an overfilled launch bandwidth (OFL-BW) greater than 3500 MHz·km and a calculated effective modal bandwidth (EMBc) greater than 4700 MHz·km over a continuous operating wavelength range greater than 150 nm.

Abstract: A chip package includes an optical integrated circuit (such as a hybrid integrated circuit) and an integrated circuit that are proximate to each other in the chip package. The integrated circuit includes electrical circuits that modulate data, communicate data, and serialize/deserialize data, and the optical integrated circuit communicates optical signals with very high bandwidth. Moreover, a front surface of the integrated circuit is electrically coupled to a top surface of an interposer, and a top surface of the integrated circuit is electrically coupled to a front surface of the optical integrated circuit. Furthermore, a bottom surface of the optical integrated circuit faces the top surface of the interposer, and the front surface of the optical integrated circuit is optically coupled to an optical-fiber receptacle, which in turn is optically coupled to an optical-fiber connector.

Abstract: A flexible optical substrate allows incident light or optical signals to be propagated or transmitted the flexible optical substrate. The flexible optical substrate includes unitary elastic structures. Each of the unitary elastic structures includes a film-like resin material that has a central portion and one or more strips provided outwardly of the central portion. One end of each of the one or more strips is connected to the central portion. Each of the unitary elastic structures has a clearance. Two adjacent unitary elastic structures are linked by at least part of the strips of the two adjacent unitary elastic structures.

Abstract: A device for propagating light is described, comprising: a substrate having a semiconductor material, an insulating layer, wherein the insulating layer is arranged on the substrate, a recess reaching through the insulating layer and into the substrate, wherein the recess is at least partially filled with a filler material, and a waveguide arranged in or on the filler material.

Abstract: An optical fiber cleaver includes a cleaver base body having a holder guide portion which positions a fiber holder holding an optical fiber, and a cleaver lid body attached to the cleaver base body to be openable and closable. A slider having a blade member piercing the optical fiber is attached to the cleaver base body to be movable in a width direction. A pawl member is arranged in one sidewall of the holder guide portion. Further, a count indication mechanism which counts and indicates the number of times the slider returns to an initial position is provided in the cleaver base body. The optical fiber cleaver is configured to enable a counting operation of the count indication mechanism only when the fiber holder is set in the holder guide portion such that the pawl member is pressed.

Abstract: Herein are disclosed protected optical fiber terminations for use in the treatment of renal and biliary calculi. The protected optical fiber termination including a ferrule affixed to the optical fiber that provides the termination of the optical fiber with protection from contact with saline and/or biological fluids. The optical fiber termination can include open or closed ferrules. The open ferrules providing a means for maintaining a bubble, e.g., a Moses bubble on the termination; the closed ferrules providing a calumniated focus on the renal or biliary calculi.

Abstract: Optical microresonator platforms are provided comprising a substrate having a surface, a plurality of SiO2 pillars, and a plurality of SiO2 whispering gallery mode (WGM) optical microresonators, each SiO2 pillar extending from the surface of the substrate and terminating in a corresponding SiO2 WGM optical microresonator of the plurality of SiO2 WGM optical microresonators, wherein the substrate, the plurality of SiO2 pillars and the plurality of SiO2 WGM optical microresonators form a monolithic structure, and further wherein the substrate is substantially transparent to visible light. The substrate may be a SiO2 substrate and the SiO2 WGM optical microresonator may be a SiO2 optical microtoroid.

Abstract: A filter includes two translucent bodies. Each of the translucent bodies has a first plane, a second plane that forms a wedge angle with the first plane, and a third plane that intersects with both the first plane and the second plane, first planes of the two translucent bodies are parallel to each other, and second planes of the two translucent bodies are parallel to each other. The filter also comprises a beam splitting film, where surfaces of both sides are respectively combined with the first planes of the two translucent bodies. Two reflective films are combined, respectively, with the second planes of the two translucent bodies.

Abstract: The present invention is related to an integrated optical circuit, in particular, to an optical-field writable array, as well as to methods for its manufacturing and reconfiguring. The integrated optical circuit comprises at least one nanophotonic device and at least one photonic wire, wherein the nanophotonic device comprises a substrate equipped with at least one reception for at least one external connector, wherein the reception is coupled to at least one connector waveguide, and at least one set of nano-optic components, wherein the nano-optic component is one of a nanophotonic waveguide or a nanophotonic component, wherein the nano-photonic component is nano-optically coupled to at least one nanophotonic waveguide, wherein at least one of the nanophotonic waveguides is selectively coupleable to at least one of the connector waveguides, wherein the photonic wire connects at least one of the nanophotonic waveguides to at least one of the connector waveguides.

Abstract: An apparatus (10) for mounting blown fiber tubes (20) includes a main housing (40) mountable to an end (32) of a flex tube (30), an outer ring (50) positioned at an end (42) of the main housing (40), and an inner ring (60) positioned adjacent to and within the outer ring (50) wherein the blown fiber tubes (20) are positioned about an outer periphery (62) of the inner ring (60). A trigger (70) pushes the inner ring (60) to compress the blown fiber tubes (20) between the inner ring (60) and the outer ring (50). The outer ring (500 and the inner ring (60) each include a plurality of spaced pockets (52, 68) each sized for receipt of a blown fiber tube (20). The trigger (70) includes a threaded member (80) which pushes the inner ring (60) outwardly. In one embodiment, portions (64) of the inner ring (60) separate during activation and press against the blown fiber tubes (20) to compress the blown fiber tubes (20) against the outer ring (50). A spring (496) may be added to push on the inner ring (60).

Abstract: The invention relates to an optical rotary transmitter for transmitting optical signals, comprising a first light coupler (1) that has one or a plurality of first light guides (11) the end faces of which are designed to transmit optical signals and are arranged on a first ring about a central rotational axis Z, a second light coupler (3) that has one or a plurality of second light guides (31) the end faces of which are designed to transmit optical signals and are arranged on a second ring about the central rotational axis Z, a fiber mirror (5) comprising a plurality of third light guides that are arranged between said two light couplers (1,3) and are designed to compensate for the effect, on the transmission of the optical signals, of the two light couplers (1,3) rotating relative to one another, the end faces of the third light guides being designed to transmit optical signals and arranged on a third and fourth ring about the central rotational axis Z.

Abstract: An apparatus allows a plurality of optical fibers to be held together during the termination process. A handling device holds the optical fibers while a cleaving device allows for consistent cleaving of the optical fibers to ensure the ends are cleaved consistently. The handling device may also be used during the fixation of the optical fibers in the fiber optic ferrule. A method for terminating the plurality of optical fiber is also provided.

Abstract: A fiber optic adapter system includes a fiber optic adapter and a mounting bracket. The fiber optic adapter includes a first interlock feature. The mounting bracket defines a channel having a longitudinal channel axis and a longitudinally extending lateral side opening. The mounting bracket includes a second interlock feature. The fiber optic adapter and the mounting bracket are relatively configured to enable a user to interlock the first and second interlock features to secure the fiber optic adapter to the mounting bracket by inserting the fiber optic adapter into the channel through the lateral side opening in an insertion direction transverse to the channel axis.

Abstract: Connector assemblies having an adjustable polarity are described. For example, at least two ferrules may be arranged in a housing of the connector assembly within independent frame plugs in a certain polarity. A top portion of the housing may be removed to allow access to the frame plugs. Accordingly, an installer may open the housing, switch the polarity of the ferrules, and then re-couple the top portion to the housing. In another example, the connector assembly may include a latch that may rotate about the connector assembly from a first polarity position to a second polarity position. The connector assembly may include a compression element that may facilitate the rotation of the latch when the compression element is compressed. In this manner, the latch may be rotated to a different polarity position to allow the connector assembly to be connected to an adapter using a different polarity.

Abstract: A device (1) for cleaning an optical waveguide end (2) comprises a guide portion (3) for receiving the optical waveguide end (2) in a stable position and a rotatably mounted spool (4) onto which a flexible cleaning element (5) is wound. The guide portion (3) and the spool (4) are positioned relative to one another such that an optical waveguide end (2) received by the guide portion (3) is able to be pressed against the wound cleaning element (5). The cleaning element (5) is able to be unwound from the spool (4) such that different portions of the cleaning element (5) are able to be applied to the optical waveguide end (2) during unwinding.

Abstract: An optical fiber connector and method for assembly and use are disclosed. The optical fiber connector is configured to have a small footprint so that the connector may be pushable or pullable through a conduit if use of a conduit may be needed. The connector may include a first number of connector components configured to fit through a conduit, and a second number of connector components that are configured to be installed to the first components, for example, after the connector is pushed or pulled through a conduit.

Abstract: An optical connection assembly includes a first optical contact including at least one body which is designed to envelop a first ferrule at least partly, laterally, and constitutes the receptacle for the first ferrule, at least a first guide arm extending beyond the front face of the first ferrule, and at least a second guide arm beyond which the body of the ferrule extends; a second optical contact including at least one body which is designed to envelop a second ferrule at least partly, laterally, and constitutes the receptacle for the second ferrule, and at least one guide means extending beyond the front face of the ferrule and being designed to cooperate with the first guide arm of the first optical contact, in order to carry out the guiding, then the connection, between the first and second optical contacts.

Abstract: To improve the termination of a fiber optic cable, disclosed is an overboot assembly for a fiber optic terminus that retains a terminal end of the fiber optic cable in a receptacle. The overboot assembly provides strain relief to the fiber optic cable. Also, the overboot includes a removal member that is not separable from a fiber optic assembly of the fiber optic cable, the terminus and the overboot. The removal member may be advanced longitudinally relative to the terminus to manipulate a retaining member in the receptacle that latches the terminus in a connected state with the receptacle. Manipulation of the retaining member unlatches the terminus so that the terminus may be removed from the receptacle.

Abstract: A low-cost optical circuit, in which influence of reflected light is reduced, is provided. According to an embodiment of the present invention, an optical circuit (200) comprises a first optical coupler (204A) having at least two outputs, and a second optical coupler (204B) coupled to at least one of the outputs of the first optical coupler (204A), and wherein the ratio of an intensity of light reflected from the first optical coupler (204A) to an intensity of light inputted to the first optical coupler is smaller than the ratio of an intensity of light reflected from the second optical coupler (204B) to an intensity of light inputted to the second optical coupler.

Abstract: An optical coupling system includes a substrate, an electronic die comprising a plurality of coupling holes for passing light, an optical element die attached to a bottom surface of the electronic die, the electronic die attached to the substrate such that the electronic die covers a cavity in the substrate and the optical element die resides within the cavity of the substrate. The system may also include a thermally conductive lid that covers and contacts the electronic die and the substrate and has a coupling aperture that enables light that passes through the coupling holes to pass through the thermally conductive lid. The system may also include an optical cable coupler comprising a coupling section that laterally fits within the coupling aperture and a body section disposed above the coupling section that is laterally larger than the coupling section. A method for providing the above system is also disclosed herein.

Abstract: A fiber optic cable assembly includes a fiber optic cable and a connector assembly. The fiber optic cable includes an optical fiber, having a core surrounded by a cladding, and a jacket, which surrounds the optical fiber. The jacket includes a plurality of reinforcement members integrated into a matrix material of the jacket. The connector assembly includes a rear housing having a connector end that is directly engaged with an end portion of the jacket. A fiber optic cable includes an optical fiber with a core surrounded by a cladding. The fiber optic cable also includes a jacket that surrounds the optical fiber. The jacket includes about 40% to about 70% by weight of a plurality of reinforcement members integrated into a matrix material of the jacket.

Abstract: A cable sealing unit has an actuator that is sealed to inhibit the intrusion of debris from compromising the working components of the actuator. A sealant can be pressurized using an actuator that includes a handle threaded over a shaft to compress a spring. A sealing arrangement is disposed at the actuator to prevent a particulate contaminant, such as sand, from damaging the threads of the actuator. The sealing arrangement also can prevent the spring from being exposed to particulate contaminants. The sealing arrangement can include one or more sealing members disposed on the handle and/or the shaft.

Abstract: The present disclosure relates to a telecommunications distribution hub having a cabinet that defines a primary compartment. The cabinet also includes one or more main doors for accessing the primary compartment. Telecommunications equipment is mounted within the primary compartment. The distribution hub further includes a secondary compartment that can be accessed from an exterior of the cabinet without accessing the primary compartment. A grounding interface is accessible from within the secondary compartment.

Abstract: Certain types of fiber termination enclosures include an enclosure and at least one of a plurality of plate module mounting assemblies. Example plate module mounting assemblies include a termination panel plate assembly; a splice tray plate assembly; a cable spool plate assembly; and a drop-in plate assembly. Example cable spool plate assemblies include a cable spool arrangement rotationally coupled to a mounting plate, which fixedly mounts within the enclosure housing. A stand-off mount element may be disposed on the front of the cable spool arrangement to rotate in unison with the cable spool arrangement. The stand-off mount element may include one or more termination adapters.

Abstract: An optical fiber distribution apparatus includes a panel extending along a first direction and formed with a first mounting hole and at least two second mounting holes spaced apart from the first mounting hole along the first direction. A plurality of rows of optical fiber connector adapters are arranged in a stack in a direction transverse to the first direction and are inserted into the first mounting hole. At least two multi-fiber push on (MPO) connector adapters are respectively inserted into the at least two second mounting holes.

Abstract: A holder for a plurality of fiber optic cable modules. The holder may includes a tray, wherein the tray is movably positionable in a chassis; and a plurality of mounts coupled to the tray, each mount configured to releasably retain a module of a plurality of various types of modules relative to the tray.

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

Abstract: A conduit for housing an optical waveguide is described comprising a rectangular cross-sectional exterior configuration and a cylindrical or semi-cylindrical interior bore. Also described is a method of installing a fiber optic conduit system, including forming a bundle of said conduits arranged as a stack one conduit in width, and forming a trunk line and at least one branch line. Also disclosed is a node housing for an optical waveguide network and a junction protector for an optical waveguide network installation comprising a hollow structure configured to retain a plurality of waveguide conduits, said protector comprising a trunk portion having open ends to receive first and second waveguide conduits, and a branch portion having an open end to receive a third wave guide conduit.