Abstract: Some embodiments of the invention relate to a mobile detection device for an evaluation of a distance value from the device to an occluded AC-current carrying structure according to its emanated magnetic field, like a location of underground services. The device may include multiple detection coils arranged with a spacing with respect to one another and an electronic signal evaluation unit for detecting the structure according to an electrical signal induced in the detection coils by the magnetic field and to evaluate the distance value according to a difference of the electrical signal in-between at least two of the detection coils.

Abstract: Embodiments of the present invention are generally related to compensation of magnetic data, and, in particular, to a system and method for compensation of magnetic data as collected during autonomous underwater vehicle mapping surveys.

Abstract: Techniques involve inverting a dielectric dispersion model based on the geometrical and electrochemical effects that affect dielectric dispersion in fluid-saturated rocks and other porous formation with formation data and measurements to obtain further formation characteristics. A workflow involves using multi-frequency dielectric measurements of the dielectric constant and the conductivity of the formation for reservoir evaluation. The workflow also involves determining formation data such as matrix permittivity, formation temperature, pressure, and porosity, etc., and inverting the formation data and the multi-frequency dielectric measurements with the dielectric dispersion model to determine formation characteristics such as volumetric fraction of water in the formation, the formation water salinity and the Cation Exchange Capacity (CEC), etc. From the CEC log, in combination with other measurements, clay typing may be performed and swelling clays may be identified.

Abstract: The present specification discloses systems and methods for integrating manifest data for cargo and light vehicles with their X-ray images generated during scanning. Manifest data is automatically imported into the system for each shipment, and helps the security personnel to quickly determine the contents of cargo. In case of a mismatch between cargo contents shown by manifest data and the X-ray images, the cargo may be withheld for further inspection. In one embodiment, the process of analyzing the X-ray image of the cargo in conjunction with the manifest data is automated.

Abstract: A sensor apparatus includes multiple pairs that each include a light emitting element and a light receiving element configured to receive light emitted from the light emitting element, and, in response to optical axes formed in a region between the light emitting elements and the light receiving elements entering a blocked state, senses a sensing target moving in the region. In an initial state, sensing is performed using a sensing optical axis composed of a portion of the optical axes, and when an optical axis of the sensing optical axis used in sensing in the initial state is blocked, the number of optical axes included in the sensing optical axis is increased so as to expand the sensing optical axis.

Abstract: A non-invasive method of buried-utility-mapping includes using a long wavelength gradiometric ground penetrating radar to “see” patches of conductive material below ground and buried pipes and electrical conductors that are all constantly radio-illuminated by local AM radio broadcasts. The underground infrastructure of entire cities can be surveyed this way, point-by-point over time. A short wavelength part of the gradiometric ground penetrating radar operates shoulder-to-shoulder with the magnetic part and is able to improve shallow object resolution, map moisture build-ups under roads, and spot contaminated soils. Two gradiometric ground penetrating radar technologies, cameras, and navigation receivers can be mounted on city vehicles and a daily collection of their data batch transformed by digital processing algorithms into detailed and automatically updating false-color maps of the underground utilities of the whole city and other buried infrastructures.

Abstract: A system and method to intelligently group seismic interpretation data, retrieved from an interpretation workflow, in an inventory tree based upon processing history records automatically captured during generation of volume and horizon datasets. As new volume and horizon datasets are created during the interpretation workflow, the relationships between the datasets are stored within system records. Inventory trees are then generated and/or updated based upon these records to intuitively display the relationships between the volume and horizon datasets.

Abstract: A display device is disclosed. The display device includes a display unit and an anti-reflection structure. The anti-reflection structure is disposed on one side of the display unit and includes a first barrier layer, a phase retardation film, a second barrier layer, a polarizing film and a covering layer. The first barrier layer is disposed on the display unit. The phase retardation film is disposed on the first barrier layer. The second barrier layer is disposed on the phase retardation film. The polarizing film is disposed on the second barrier layer. The covering layer is disposed on the polarizing film.

Abstract: A polarizer includes a polarizer component having a top surface and an opposite bottom surface. The bottom surface is configured to couple to a color filter layer for a liquid crystal display. The polarizer also includes a transparent conducting layer disposed over the top surface. The transparent conducting layer being configured to electrically shield the LCD from a touch panel. The polarizer further includes a coating layer disposed over the transparent conducting layer.

Abstract: A microlens array substrate includes: a light transmitting substrate in which a first lens surface formed of a concave surface is formed on a substrate surface on one side; a first lens layer which covers the substrate surface on one side and has a refractive index which is different from that of the light transmitting substrate; a light transmitting layer which covers the first lens layer on the opposite side to the light transmitting substrate; and a second lens layer which covers the light transmitting layer on the opposite side to the light transmitting substrate and in which a second lens surface formed of a convex surface is formed on the opposite side to the light transmitting substrate, in which the light transmitting layer has smaller refractive index and coefficient of thermal expansion than those of the first lens layer and the second lens layer.

Abstract: Polymerizable resin compositions and microstructures comprising the reaction product of such polymerizable resin compositions are described. The microstructures comprise the reaction product of a polymerizable resin composition comprising an organic portion having a refractive index of at least 1.56 wherein the polymerizable resin composition comprises a fluorene-containing monomer.

Abstract: The disclosure is directed to optical elements including a performance-enhancing coating on the surface of a metal or ceramic substrate and to methods for making the optical elements. The optical elements are suitable for use in harsh environments, including salt fog and high humidity environments. The performance-enhancing coating and substrate have similar thermal expansion properties and the performance-enhancing coating has a diamond-turned surface. The performance-enhancing coating may also be polished with a solution of colloidal silica in glycol to an RMS surface roughness less than 30 ?.

Abstract: A decal for manufacturing a multi-colored retroreflective sticker having a variety of colorful letters or patterns includes: a glass bead layer including a printing layer having the colorful letters or patterns made of dye-based ink, on one side of the glass bead layer; a transparent reflective layer formed on the other side of the glass bead layer and having a polarization element and a diffused reflection element sequentially deposited; an opaque bonding layer including a mixture of polyurethane and a white pigment and applied on the reflective layer to hold the glass bead layer; a thermal adhesive layer applied on the bonding layer; and a carrier sheet removably attached on the thermal adhesive layer by an adhesive remover layer, thereby obtaining uniform luminance under an artificial light source and high brightness and saturation under a natural light source.

Abstract: Provided is a monochromatization device for easily selecting light having a specific wavelength, comprising: a first broadband filter arranged to have a first rotational angle with respect to an incident direction of light to enable a first wavelength band to pass therethrough with respect to the incident light; a second broadband filter arranged to have a second rotational angle with respect to an incident direction of light to enable a second wavelength band to pass therethrough with respect to the light passing through the first broadband filter; and a path compensation unit for adjusting a light path so that the light path passing through the second broadband filter is the same as a path of the light incident to the first broadband filter. Accordingly, the output light efficiency for the incident light is increased and the required specific wavelength can be more easily selected.

Abstract: A polarizer including a polarization film, a first protection film attached to a bottom surface of the polarization film, a second protection film attached to a top surface of the polarization film, and an antiglare film formed on a top surface of the second protection film, is provided. The antiglare film has a haze value in 3 to 5% and an arithmetic mean deviation of the profile (Ra) of 60 to 100 nm.

Abstract: A liquid crystal display device is disclosed. The liquid crystal display device includes a liquid crystal display panel, a light guide plate configured to guide blue light from a blue light source to the liquid crystal display panel and a light conversion sheet comprising a light conversion layer and a light compensation pattern positioned on edges of the light conversion layer configured to compensate blue light leakage at the edges of the light conversion sheet, wherein the light conversion sheet is positioned between the liquid crystal display panel and the light guide panel.

Abstract: An apparatus for distributing light from a planar waveguide through a collimating array. Light received within a waveguide is propagated transmissively and retained by total internal reflection, except in response to impinging upon deflector elements which sufficiently redirect the light to escape the waveguide into a collimator array that further aligns and distributes the light.

Abstract: A light guide plate including a first substrate, a second substrate opposite to the first substrate, a plurality of first microstructures, a plurality of second microstructures, and a plurality of third microstructures is provided. The first substrate has a light emitting surface, a first bottom surface, and a light incidence surface. The second substrate has a top surface and a second bottom surface. The top surface is located between the first substrate and the second bottom surface. The first microstructures and the second microstructures are disposed on the light emitting surface and the second bottom surface respectively and extend along a first direction parallel to the light incidence surface respectively. The third microstructures are connected between the first bottom surface and the top surface and extend along a second direction perpendicular to the light incidence surface respectively. A light source module is also provided.

Abstract: An optical member, backlight unit and display device are provided. The optical member includes: a reflective substrate including a base member, a reflective layer disposed on the base member, and a plurality of refractive layers disposed on the reflective layer; an optical conversion layer disposed on the reflective substrate; and a barrier substrate disposed on the optical conversion layer.

Abstract: Disclosed herein is a transparent display apparatus in which a plurality of micro-patterns are formed on a reflection surface of a transparent light guide plate.

Abstract: A light guide plate includes a light incident surface to which a light is configured to be incident, a light exit surface from which the light incident through the light incident surface is configured to exit, a bottom surface facing the light exit surface configured to reflect at least a portion of the incident light, and a scattering pattern disposed on the bottom surface. The scattering pattern includes a first protrusion portion protruding from the bottom surface, a recess portion disposed along a circumference of the first protrusion portion and recessed from the bottom surface and a second protrusion portion spaced apart from the first protrusion portion and disposed along a portion of the recess portion.

Abstract: An optical article, such as a backlight for electronic display devices, is disclosed. The optical article includes a lightguide, a viscoelastic layer disposed on the light guide and a nanovoided polymeric layer disposed on the viscoelastic layer. The nanovoided polymeric layer comprises a plurality of interconnected nanovoids and at least some of the interconnected nanovoids are connected to one another by hollow passages. The lightguide may be optically coupled to a light source, and the viscoelastic layer and the nanovoided polymeric layer may be used in conjunction with the lightguide to manage light emitted by the light source. The viscoelastic layer may be a pressure sensitive adhesive.

Abstract: A light emitting structure around a keyboard backlight module is disclosed to include a light guiding plate comprising a light source, a flat-shape reflecting layer disposed on one side of the light guiding plate, and a transparent film of a light blocking layer disposed on other side of the light guiding plate and comprising a light absorbing layer. A deflection portion is bending inwardly toward the reflecting layer and then extending outwardly to form a flat-shape positioning portion adhered to the reflection layer by an adhesive layer. The light source can project light toward the light guiding plate and pass part of the light from the light guiding plate to the deflection portion due to diaphaneity of the material of the transparent film. A light emitting area can be formed around the backlight module, lightening the connection port of the electronic device or other area needed to be lightened.

Abstract: A coated optical fiber includes an optical fiber; and a primary coating encapsulating the optical fiber, the primary coating having an in-situ modulus of about 0.12 MPa or less at a thickness of about 32.5 ?m, a Young's modulus as a cured film of about 0.7 MPa or less, and a Tg of about ?22° C. or below, wherein the primary coating is the cured reaction product of a primary curable composition having a gel-time ratio relative to C1 of less than about 2.

Abstract: An integrated circuit includes a silicon-on-insulator wafer and interconnect layer providing a support for a coplanar waveguide formed above a top side of the support. A through-silicon via is formed from a back side of the support and passing through the silicon-on-insulator wafer to reach the interconnect layer. A trench is formed from the back side of the support underneath the coplanar waveguide. The trench extends over at least an entire length of the coplanar waveguide. The trench passes through the silicon-on-insulator wafer to reach the interconnect layer and may have a substantially same depth as the through-silicon via.

Abstract: A package for an arcuate planar lightwave circuit (PLC) chip includes a heater plate coupled to a base by a thick and soft support layer. The arcuate PLC is attached to the heater plate by soft adhesive. A hard adhesive is applied to a multi-waveguide end of the arcuate PLC, to additionally strengthen the attachment of the arcuate PLC to the heater plate. The structure allows the mechanical stress due to fiber pull/shock/vibration to be dissipated in the support layer without introducing large wavelength shifts in the arcuate PLC. The support layer also serves as a heat insulator, facilitating uniform heating of the arcuate PLC.

Abstract: Methods for cleaving an optical fiber that extends from a ferrule are provided herein. The ferrule can be aligned on a first side of a scribe wire and an unconstrained end of the optical fiber on a second side of the scribe wire. Tension can be applied to the scribe wire with the optical fiber. Relative motion between the scribe wire and the optical fiber can be caused, while the tension is applied with the optical fiber. The scribe wire and the optical fiber can be separated. A fiber optic shard can be cleaved from the optical fiber. The fiber optic shard may include the unconstrained end of the optical fiber.

Abstract: An optical signal routing device may include a first lens, second lens and a wavelength division multiplexer (“WDM”) filter positioned between the first and second lenses. The WDM filter may reflect a signal of a first wavelength with a first attenuation and pass the first wavelength signal attenuated by at most a second attenuation to the second lens, the first attenuation exceeding the second attenuation by a first predetermined amount. The WDM filter may reflect a signal of a second wavelength different than the first wavelength with at most a third attenuation, the first attenuation exceeding the third attenuation by at least a second predetermined amount. The device may further include a reflector positioned to reflect the first wavelength signal reflected by the WDM filter toward the WDM filter with at least a fourth attenuation, the fourth attenuation exceeding the second attenuation by at least a third predetermined amount.

Abstract: A two-part fiber optic collimator has a precision adjuster for controlling the position of a spring-biased lens carrier with respect to the collimator's body. An interchangeable fiber optic connector adaptor is attached to the collimator body for accurately positioning the end of a fiber optic cable in the collimator.

Abstract: The embodiments described herein relate to multi-core optical fiber interconnects which include at least two multi-core optical fibers. The multi-core optical fibers are connected such that the core elements of the first multi-core optical fiber are optically coupled to the core elements of the second multi-core optical fiber thereby forming an array of interconnect core elements extending through the optical fiber interconnect. The multi-core optical fibers are constructed such that cross-talk between adjacent core elements in each multi-core optical fiber are minimized. The multi-core optical fibers are also constructed such that time-delays between the interconnect core elements in the array of interconnect core elements are also minimized.

Abstract: This document discusses, among other things, a connector for an optical imaging probe that includes one or more optical fibers communicating light along the catheter. The device may use multiple sections for simpler manufacturing and ease of assembly during a medical procedure. Light energy to and from a distal minimally-invasive portion of the probe is coupled by the connector to external diagnostic or analytical instrumentation through an external instrumentation lead. Certain examples provide a self-aligning two-section optical catheter with beveled ends, which is formed by separating an optical cable assembly. Techniques for improving light coupling include using a lens between instrumentation lead and probe portions. Techniques for improving the mechanical alignment of a multi-optical fiber catheter include using a stop or a guide.

Abstract: An optical fiber curing oven is used in the termination process of optical fiber cable assemblies to bond an optical fiber to a ferrule. The optical fiber curing oven includes an oven housing and a processor housing. A mounting plate is mounted inside the oven housing and is used to hold a fiber-mounting block. The mounting plate is connected to a fulcrum which allows the mounting plate to be tilted. Angling the mounting plate is useful in some curing applications. The fiber-mounting block attaches to the mounting plate and is used to secure optical fibers during the curing process. A heating element is embedded into the mounting plate and is used to heat the mounting block and cure epoxy that has been applied to an optical fiber. A control unit is included within the processor housing and is used to regulate the curing process.

Abstract: An apparatus (10) for use subsea including a container having an aperture, a lid (12) securable to the container to cover the aperture, a printed circuit board, at least one fibre-optic (18) connecting the printed circuit board to the lid (12) and a substantially rigid support (14) locatable in the container. The lid (12) is suitable to isolate the inside of the container from the outside of the container when fluid pressure outside the container is at least 1000 kPa. The support (14) has at least one upstanding member around which one or more fibre-optics (18) are locatable such that the smallest radius of a bend in the fibre-optic(s) (18) is greater than the minimum bend radius thereof.

Abstract: The present disclosure includes devices and systems for optical fiber management. One embodiment includes a device comprising an integrated separation surface separating an upper level of storage and a lower level of storage and an integrated adapter plate comprising a number of optical connectors and arranged at a first angle with respect to a floor of the device.

Abstract: Couplers for a cable trough system including a terminal end sized to receive a terminal end of a trough member along a longitudinal direction of the body. A spring may be coupled to the body for securing the terminal end of the trough member to the coupler, the spring including first and second spring arms extending generally in opposition to one another in a plane generally parallel to the longitudinal direction. The spring may be received in a slot formed by the trough member. Also included may be a spring release mechanism coupled to the body, the spring release mechanism sliding in the longitudinal direction between a locked position, such that the first and second spring arms engage the terminal end of the trough, and an unlocked position, such that the first and second fingers release the first and second arms of the spring.

Abstract: An optical network includes an optical cable arrangement including optical fibers that define optical lines; an indexing terminal disposed at an intermediate location along the optical cable arrangement; a splitter terminal disposed external of the indexing terminal; and an output cable. The optical lines are indexed at the indexing terminal so that at least one of the optical lines drops off at the indexing terminal. The output cable optically couples the optical line that drops off at the indexing terminal to an input of an optical splitter at the splitter terminal.

Abstract: Clamp and Bending Strain Relief (BSR) system and method are disclosed. One example of a system can include a clamp coupled to a cable. The clamp is configured to couple an apparatus to the cable while allowing the cable to pass continuously through the clamp. A BSR apparatus is coupled to the clamp and the cable by a housing.

Abstract: A method of installing a bundle of optical fibers associated with a fiber network through hallways or corridors in a multi-dwelling unit (MDU) to service a number of premises in the MDU. The bundle is adhered along a wall or other supporting surface in a hall or corridor leading to the premises, by dispensing or activating an adhesive material or component over one or both of the bundle and a desired installation path along the supporting surface, and applying the bundle to the supporting surface over the installation path. A cover layer surrounding the fiber bundle is opened at locations along the length of the bundle corresponding to each premises for which a bundle fiber is designated. At each location, the designated fiber is cut and removed from the bundle, and retained to connect to a drop fiber originating from the premises. Installation tools are also disclosed.

Abstract: The present invention provides an imaging device in which focus movement due to a temperature variation is suppressed and the infiltration of foreign matter such as liquid or dust is prevented. An imaging device 10 is provided with an imaging lens 11, an imaging element 12, and an intermediate member 15. The imaging lens 11 is held by a lens-barrel 13 and forms an image of a photographic subject. The imaging element 12 captures the image of the photographic subject which is formed by the imaging lens 11. The intermediate member 15 has, on the inner-peripheral-surface of one end thereof, a flange portion 15a which comes into contact with the lens-barrel 13, and holds the lens-barrel 13 by joining the front surface 26 of a flange portion 13b of the lens-barrel 13 and the surface 27 on the imaging element 12 side of the flange portion 15a to each other.

Abstract: To achieve a compact construction shape with a long service life, a focus adjustment apparatus for an image detection system is provided which comprises an objective having at least one lens and which comprises a motor device for the positional adjustment of the objective, wherein the lens is provided on a movable lens holder, wherein the movable lens holder is connected to a threaded unit of the motor device via a support unit provided in the movable lens holder such that the support unit can be rolled with the lens holder along a main axis of the threaded unit in accordance with a rotation of the threaded unit and such that an axis of rotation of the support unit is directed perpendicular to the main axis of the threaded unit.

Abstract: A method for configuring an alignment of a plurality of optical segments in a sparse aperture configuration of an optical device includes providing at least one beam of light from at least one light source located on the sparse aperture optical device, directing the at least one beam of light toward at least one segment of the plurality of optical segments, detecting a reflection or transmission of the at least one beam of light off of the at least one segment of the plurality of optical segments, determining a characteristic of the reflected or transmitted light, and based on the characteristic of the reflected or transmitted light, determining an alignment of the at least one segment of the plurality of optical segments.

Abstract: An optical imaging lens includes an aperture stop and an optical assembly, the optical assembly includes, in order from the object side to the image side: a first lens element with a refractive power; a second lens element with a negative refractive power; a third lens element with a positive refractive power; a fourth lens element with a negative refractive power; a fifth lens element with a refractive power; wherein a focal length of the optical imaging lens is f, focal lengths of the first, second, third, fourth and fifth lens elements are f1, f2, f3, f4, f5, respectively, a radius of curvature of an image-side surface of the first lens element is R2, satisfying: |f3|?|fn|, wherein n=1, 2, 4 and 5; ?1<R2/f<0.

Abstract: An optical image capturing system, from an object side to an image side, comprises a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, and a sixth lens element. The first lens element has a positive refractive power and may have a convex object-side surface. The second through fifth lens elements has a refractive power and the object-side and image-side surfaces of these lens elements are aspheric. The sixth lens element has a negative refractive power and may have a concave image-side surface. The object-side surface and the image-side surface of the sixth lens element are aspheric, and at least one of the two surfaces has inflection points. When specific conditions are satisfied, the optical image capturing system may has a large aperture value and a better optical path adjusting ability to acquire better imaging quality.

Abstract: A five-piece optical lens for capturing image and a five-piece optical module for capturing image, along the optical axis in order from an object side to an image side, include a first lens with positive refractive power having a convex object-side surface; a second lens with refractive power; a third lens with refractive power; a fourth lens with refractive power; and a fifth lens with negative refractive power; and at least one of the image-side surface and object-side surface of each of the five lens elements are aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

Abstract: A five-piece optical lens for capturing image and a five-piece optical module for capturing image, along the optical axis in order from an object side to an image side, include a first lens with positive refractive power having a convex object-side surface; a second lens with refractive power; a third lens with refractive power; a fourth lens with refractive power; and a fifth lens with negative refractive power. An image-side surface of the fifth lens can be concave, and both surfaces thereof are both aspheric, wherein at least one surface thereof has an inflection point. The first to the fifth lenses of the five-piece optical lens have refractive power. The optical lens can increase aperture value and improve the imaging quality for use in compact cameras.

Abstract: A zoom lens is provided. The zoom lens includes a first lens group, a second lens group, a third lens group and an aperture stop. The second lens group is disposed between the first lens group and the third lens group. The aperture stop is disposed between the first lens group and the second lens group. When the zoom lens zooms, the aperture stop is fixed without moving and the first lens group correspondingly moves.

Abstract: The maximum amount of movement DF1 of a first focus lens section during focusing, the maximum amount of movement DF2 of a second focus lens section during focusing, the focal length fLP of a lens section LP, the focal length fF2 of the second focus lens section, the focal length fLRw of a rear unit at the wide angle end, and the focal length fw of the entire system at the wide angle end are appropriately configured.

Abstract: In an inner layer measurement method, first irradiation light and second irradiation light having a peak wavelength longer than that of the first irradiation light are formed by changing at least one of a position where light emitted from a lamp is transmitted through a short pass filter and a position where light emitted from a lamp is transmitted through a long pass filter. Then, a first XY sectional surface of a semitransparent body is measured by irradiating the first XY sectional surface with the first irradiation light. A second XY sectional surface positioned on a layer deeper than the first XY sectional surface is measured by irradiating the second XY sectional surface with the second irradiation light. Each of the short pass filter and the long pass filter can transmit the light and has properties of changing a cutoff wavelength according to the position where the light is transmitted.

Abstract: A microscope (10) includes an objective system (30) and a zoom system (32). The microscope (10) furthermore has a manually rotatable rotary wheel (108) for adjusting the magnification of the zoom system (32), the rotary wheel (108) being rotatable within a predetermined maximum rotation range. The rotary wheel (108) includes a first engagement element (162, 164). In addition, at least one second engagement element (130 to 136) is movably mounted on a housing (100) of the microscope (10). This second engagement element (130 to 136) is movable between a deactivated and an activated position, being in engagement with the first engagement element (162, 164) in an activated position. The position of the second engagement element (130 to 136) is determined by the respective objective (44, 52) currently received in the beam path.

Abstract: A digital microscope has a stationary stand body (12) and a pivot unit (14) pivotably mounted on the stand body (12). The pivot unit (14) includes an image sensing unit for acquiring images of objects. The microscope has a brake unit (22) for braking and/or immobilizing the pivot unit (14), and an actuation element (44) for releasing the brake unit (22). The pivot unit (14) includes a first connecting element (60) and the stand body (12) has a second connecting element (62). The first and second connecting elements (60, 62) are coupled to one another when the pivot unit (14) is in a predetermined zero position and the actuation element (44) is in an unactuated default position. The connecting elements (60, 62) are moreover coupled to one another when the pivot unit (14) is in the zero position and the actuation element (44) is actuated within a predetermined actuation range.