Abstract: A system for surveying a subsurface formation includes one or more electromagnetic sensors located at or above the surface of the Earth. The sensors are configured to detect passive-source source signals and return signals that are based on seismoelectric or electroseismic conversion of the source signal in the subsurface formation. The system includes a processor communicatively coupled to the one more electromagnetic sensors. The at least one processor is configured to align and stack the passive-source source signals and the return signals and determine a property of the subsurface formation based, at least in part, on the aligned and stacked passive-source source signals and the return signals.

Abstract: Systems and methods for delivering seismic data acquisition units to an ocean bottom are provided. A system includes an underwater vehicle including with sensors to determine environmental information. A control unit obtains, based on the environmental information and a policy, an indication to perform a fly-by deployment. The control unit sets an angle of a ramp with respect to a base of the underwater vehicle. The control unit identifies a launch event for a seismic data acquisition unit of a plurality of seismic data acquisition units stored in the underwater vehicle, and deploys the seismic data acquisition unit from the ramp towards the ocean bottom based on the identification of the launch event and the environmental information.

Abstract: The present disclosure is directed to systems, methods, and apparatus for delivering seismic data acquisition units to, and retrieving from, an underwater vehicle. A sensor storage container can be tethered to a surface vessel, which can move on the surface with a non-zero velocity. The underwater vehicle can include a storage compartment to store seismic data acquisition units and a propulsion system to aid the movement of the underwater vehicle. The underwater vehicle also can include passive and active protrusions for coupling with corresponding receptacles on the sensor storage container. The sensor storage container also can include a propulsion system to aid movement of the sensor storage container. The propulsion systems of both the underwater vehicle and the sensor storage container can be controlled to allow the underwater vehicle and the sensor storage container to couple and allow transfer of seismic data acquisition units.

Abstract: The present disclosure is directed to delivering nodes to an ocean bottom. A system can include a tether management system (TMS) towed by a vessel that moves on the surface of the ocean in a first direction. An underwater vehicle (UV) can be connected to the TMS and can move in a second direction that is different from the first direction. A thruster can be coupled to the TMS can cause the TMS to move in a third direction that is different from the first direction. A control unit can control the thruster to move the TMS in the third direction based on a cross-line location policy, and cause the UV to deploy nodes to target locations on the ocean bottom.

Abstract: Systems and methods for retrieving seismic data acquisition units from an underwater seismic survey are provided. The system includes an underwater vehicle with a base and an underwater vehicle interlocking mechanism. The underwater vehicle receives environmental information and identifies a seismic data acquisition unit located on an ocean bottom. The underwater vehicle obtains an indication to perform a non-landing retrieval operation. The underwater vehicle sets a position of the underwater vehicle interlocking mechanism to extend away from the base of the underwater vehicle. The underwater vehicle retrieves the seismic data acquisition unit by coupling the underwater vehicle interlocking mechanism with a seismic data acquisition unit interlocking mechanism. The underwater vehicle stores the seismic data acquisition unit and then sets the underwater vehicle interlocking mechanism in a second position to perform the non-landing retrieval operation for a second seismic data acquisition unit.

Abstract: The present invention features a unique system of interdependent methods to greatly improve data acquired via the Differential Target Antenna Coupling (“DTAC”) method, which transmits electromagnetic (“EM”) fields and measures the primary EM field and the secondary EM fields generated in subsurface targets. These new data correction techniques provide improvements, in orders of magnitude, to the measured DTAC response accuracy. This improvement allows for greater depth of investigation, improved target location, and enhanced target characteristics.

Abstract: Methods are provided for determining values for a set of parameters for multiple locations in a formation by inversion of formation data obtained from a plurality of different logging tools. The inversion of the formation data is constrained by certain formation data that characterizes each particular location in the formation as obtained from at least one of the plurality of different logging tools. In one embodiment, the set of parameters for each particular location in the formation includes an apparent cementation factor mn and a formation water saturation Sw, which can be derived by inverting dielectric data that characterizes the particular location in the formation as obtained from a dielectric logging tool. The methods can also be adapted to characterize a porous medium such as reservoir rock, particular with regard to laboratory analysis of porous media samples.

Abstract: Techniques for analyzing a sample include preparing a sample; circulating a gel solution through the sample to saturate the sample; scanning the saturated sample with a nuclear magnetic resonance (NMR) system to determine two or more NMR values of the saturated sample; determining a permeability of the saturated sample based, at least in part, on the two or more NMR values of the saturated sample; aging the saturated sample; scanning the aged sample with the NMR system to determine two or more NMR values of the aged sample; determining a permeability of the aged sample based, at least in part, on the two or more NMR values of the aged sample; comparing the determined permeability of the saturated sample against the determined permeability of the aged sample; and based on the compared permeabilities, determining a gel solution syneresis rate.

Abstract: Methods of acoustically and optically probing an elongate region and hydrocarbon conveyance systems that utilize the methods. The methods include actively initiating an acoustic signal within an acoustic waveguide that extends along an elongate region. The methods also include optically detecting propagation of the acoustic signal along a length of the acoustic waveguide with a distributed acoustic sensor. The distributed acoustic sensor includes an optical fiber that extends along the length of the acoustic waveguide and defines a plurality of distributed sensing locations. The hydrocarbon conveyance systems include a tube that defines a tubular conduit configured to convey a hydrocarbon, a distributed acoustic sensor, an acoustic waveguide, and a controller. The tube, the distributed acoustic sensor, and the acoustic waveguide extend within an elongate region. The controller is programmed to perform the methods.

Abstract: Devices and methods for determining item-specific information for single or multiple items on one or multiple substrates are described. The method includes generating multiple sensor multiple dimensions array (MSMDA) data from multiple sensors, where each of the multiple sensors capture sensor data for one or more items in relation to a substrate. For each item, the method includes determining relationships between the multiple sensors based on characteristics of the MSMDA data, determining a location of the item on the substrate based on at least the determined relationships between the multiple sensors, determining an angular orientation of the item on the substrate based on at least the determined relationships between the multiple sensors, and determining a body position of the subject on the substrate based at least the determined relationships between the multiple sensors, the location of the subject, and the angular orientation of the item.

Abstract: The present disclosure describes methods and systems, including computer-implemented methods, computer program products, and computer systems, for models the accumulation and migration of hydrocarbons. One computer-implemented method includes: identifying one of grid cells neighboring an accumulation as a recent back-filled grid cell; setting an oil phase potential of identified grid cell as an accumulation potential of the accumulation; comparing oil phase potentials of grid cells neighboring the recent back-filled grid cell with the accumulation potential of the accumulation, where the oil phase potential of each of the grid cells neighboring the recent back-filled grid cell is stored as a key in the node corresponding to the respective grid cell; selecting one of the grid cells neighboring the accumulation as a next back-filled grid cell; and updating the accumulation potential of the accumulation based on the oil phase potential of the selected grid cell.

Abstract: A decision-making support method is presented for issuing warnings and selecting mitigation actions parameterized by the turn of weather and/or climate information into a single decision index. A decision-making support method was developed from the Global Weather Decision Index (WDI) or Climate Decision Index (CDI), which is based on user preferences in relation to three characteristics of weather-climate information: a) value of the weather-climate variable; b) probability of occurrence; and c) lead-time of weather-climate information. The presented embodiments were initially developed having as the field of application the area of aerospace meteorology, as motivation the rockets launch operations in space centers. However, the decision-making process under weather uncertainty is relevant in other applications where weather or climate conditions may cause some kind of impact on activities.

Abstract: An anti-glare film is attached on a surface of a display, and includes an anti-glare layer. The anti-glare layer is set to have a sparkle value of 10 or less, which is defined based on a value of a standard deviation of luminance distribution of the display under a state in which the anti-glare film is attached on the surface of the display, a value of specular gloss of 40% or less, which is measured with 60-degree specular gloss, and a value of transmission image clarity of 40% or less, which has an optical comb of 0.5 mm. Consequently, satisfactory anti-glare property can be provided while appropriately suppressing sparkle on the display.

Abstract: A head-mounted display includes an optical component. The optical component includes a plurality of micro lenses and a central lens. The micro lenses are connected to each other. The central lens is connected among and surrounded by the micro lenses. The central lens and the micro lenses are substantially arranged along a plane.

Abstract: Control systems for liquid lenses can use feedback control using one or more measured parameters indicative of a position of the fluid interface in the liquid lens. Capacitance between a fluid and an electrode in the liquid lens can vary depending on the position of the fluid interface. Current mirrors can be used for making measurements indicative of the capacitance and/or the fluid interface position. The liquid lens can be calibrated using the measurements indicative of capacitance and/or fluid interface position as the voltage is driven across an operational range. A control system can use pulse width modulation (PWM) for driving a liquid lens, and a carrier frequency for the PWM signals can be varied to control power consumption in the liquid lens. The slew rate can be adjustable to control power consumption in the liquid lens.

Abstract: A display substrate includes: a display region having an irregular edge portion; and a light-shielding area located around the display region; wherein: a pixel array is disposed in the display region; the pixel array includes outermost edge pixels of the irregular edge portion, and central pixel; each of the edge pixels includes at least one edge sub-pixel; each of the edge sub-pixels includes a light-shielding sub-region and a light-emitting sub-region arranged along a row direction; and the light-shielding sub-region is located at a side of each of the edge sub-pixels proximal to the light-shielding region.

Abstract: A two-piece optical prism includes a prism having a groove and prism having arc faces, where the prism having a groove has at least one first arc face and groove having at least one second arc face, and the prism having arc faces is placed in the groove of the prism having a groove and has at least one third arc face. The present invention can be used in the surface plasmon resonance optical system for the angle, range adjustment and control of incident light (e.g. laser light), capable of constituting an optical wide-angle, multi-angle incident system to carry out the wide-angle, multi-angle scanning detection of surface plasmon resonance, increasing the system dynamic detection range and sensitivity; and further reducing a detection chip.

Abstract: An object of the present invention is to provide a method for producing a reflective layer having an excellent diffuse reflectivity and a wide reflection wavelength range. Another object of the present invention is to provide a reflective layer having an excellent diffuse reflectivity and a wide reflection wavelength range.

Abstract: A support for optical elements is described. The support includes a base substrate with high specific stiffness and a finishing layer. The base substrate is a non-oxide ceramic material, preferably a carbide, such as boron carbide or silicon carbide. The finishing layer is preferably Ge or an alloy of Al and Si. The finishing layer is or is capable of being processed to provide a surface with low finish. Low finish is achieved by diamond turning or polishing the finishing material. The finishing layer has a coefficient of thermal expansion similar to the coefficient of thermal expansion of the base substrate. The optical element optionally includes a reflective stack on the finishing layer.

Abstract: A grating structure for a diffractive optic includes grating lines, each of which is approximated by successive segments. Longitudinal axes of the segments each have an angle relative to a first coordinate axis of a reference coordinate system. A first section of a first one of the grating lines is approximated by a first group of the segments, and a second section adjacent to the first section of the first grating line is approximated by a second group of segments. The longitudinal axes of a major portion of the segments of the first group have a first predetermined angle relative to the first coordinate axis of the reference coordinate system, and the longitudinal axes of a major portion of the segments of the second group have a second predetermined angle different from the first predetermined angle relative to the first coordinate axis of the reference coordinate system.

Abstract: The invention concerns a method of manufacturing a modulated optically diffractive grating and a corresponding grating. The method comprises providing a substrate and manufacturing a plurality of temporary elements onto the substrate, the temporary elements being arranged in a periodic pattern comprising at least two periods having different element characteristics. Next, a first deposition layer is deposited so as to at least partially cover the temporary elements with the first deposition layer and the temporary elements are removed from the substrate in order to form onto the substrate a modulated diffractive grating of first grating elements made of the first deposition layer, the pattern comprising within each period a plurality of first grating elements and one more gaps between the first grating elements. The invention allows for producing high-quality gratings with locally varying diffraction efficiency.

Abstract: The invention relates to a method of fabricating a master plate for producing diffractive structures and a master plate obtainable therewith. The method comprises providing a substrate having a periodic surface profile, filling the surface profile uniformly at least partly with filling material, and partially removing the filling material in order to produce a master plate having a periodic height-modulated surface profile formed by said substrate and said filling material. The invention allows for producing master plates capable of further producing gratings with variable diffraction efficiency.

Abstract: A method of making an optical filter film with varying optical properties includes the step of drawing a multilayer polymeric preform into an optical filter and varying at least one environmental condition being a member of the group including of heat, pressure, tension, and a drawing speed, the at least one environmental condition being varied over time or over a distance, or both, and causing a variation in layer thickness within the optical filter. The preform may be drawn through a furnace subjecting the preform to a heating power that varies across a width of the furnace or over time or both across the width and over time. The preform may also be drawn through the furnace while the drawing speed varies across a width of the furnace or over time or both across the width and over time.

Abstract: The present disclosure generally relates to hyperspectral spectroscopy, and in particular, to systems, methods and devices enabling a single-sensor hyperspectral imaging device. Hyperspectral (also known as “multispectral”) spectroscopy is an imaging technique that integrates multiples images of an object resolved at different narrow spectral bands (i.e., narrow ranges of wavelengths) into a single data structure, referred to as a three-dimensional hyperspectral data cube. Data provided by hyperspectral spectroscopy allow for the identification of individual components of a complex composition through the recognition of spectral signatures of individual components within the three-dimensional hyperspectral data cube.

Abstract: Methods of forming optical articles from lyotropic liquid crystal solutions are disclosed. A lyotropic liquid crystal solution is shear-coated on a temporary substrate to form a birefringent coating layer of 4 micrometers or less in thickness. A permanent substrate is adhered to the birefringent coating layer and the temporary substrate is removed. Optical articles formed by such methods are also disclosed.

Abstract: A fiber optic light panel assembly including an optical fiber layer including a plurality of optical fibers arranged in a predetermined form such that the optical fiber layer has a light emitting side configured to emit light, and a mounting side opposing the light emitting side. An adhesive layer is provided having a first side in direct contact with the mounting side of the optical fiber layer, and a second side opposing the first side and configured to directly contact a surface of a supporting structure such that the adhesive later mechanically connects the optical fiber layer to the support structure. Also included is a fiber bundle including portions of the plurality of optical fibers that are not in direct contact with the adhesive layer, and abrasions provided along a length of each of the plurality of optical fibers such that light can be emitted from the respective fiber, the abrasion being provided in the optical fiber layer and in at least part of the fiber bundle.

Abstract: Specific management of configuration of overlap of facets reduces non-uniformity in an image outcoupled toward a nominal point of observation. A waveguide including at least two parallel surfaces, first, middle, and last partially reflecting facets are configured such that in a geometrical projection of the facets onto one of the surfaces the facets overlap, preferably with adjacent facets overlapping and non-adjacent facets starts and ends coinciding along at least a portion of the waveguide.

Abstract: An input device includes: a light source that emits light; a first sheet including a design portion; a second sheet having a conductive pattern on which the light source is mounted and in which a touch sensor electrode is disposed in a position different from the light source; a body that is sandwiched between the first sheet and the second sheet to be integral therewith, and transmits the light emitted by the light source; and a guide disposed in a light path from the light source to the design portion, the guide guiding light transmitting through an inside of the body toward the design portion and being distinguished from the body. The light source and the light guide are disposed along a surface of the second sheet on a side facing the body. The body is integral with the light source and the light guide and encapsulates them.

Abstract: A luminance equalization region is formed on one surface of an optical sheet incorporated into a liquid crystal display device to equalize luminance of a visible region of the liquid crystal display device. The luminance equalization region is in at least the visible region in a state in which the optical sheet is incorporated into the liquid crystal display device. The luminance equalization region in the visible region has a colored portion and a light-transmitting portion that surrounds the colored portion. The distance from an end of a display surface of the liquid crystal display device to an end of the visible region is 10 mm or less.

Abstract: A display device may include: a backlight unit and liquid crystal panels, the backlight unit being between the liquid crystal panels. The backlight may include: at least one light source to generate light; light guide plates, the at least one light source being disposed at one side of the light guide plates, the light guide plates being to provide a path for the light from the light source; a color conversion layer disposed between the light guide plates, the color conversion layer being to generate transmitted light by converting a color of the light from the light source; and light emission layers, the light guide plates being between the light emission layers, the light emission layers being to reflect the light from the light source toward the color conversion layer, the light emission layers being to allow the transmitted light to pass through the light emission layers.

Abstract: A display device for a portable object wherein the portable object includes a dial and at least one movable hand, at least one movable hand includes a light source or is coupled to a light source, the dial includes at least one secondary light waveguide, the light source and the secondary waveguide being arranged such that the light source is coupled to the proximal end of the secondary waveguide when the movable hand moves into a predetermined sector of the dial, and the distal end of the secondary waveguide being coupled to a display element of the dial.

Abstract: A display device includes a light source, a light guide plate through which light from the light source travels, an optical sheet providing an optical effect to light that exits the light guide plate, a display panel displaying an image upon receiving the light from the optical sheet, a frame in which the light guide plate and the optical sheet are arranged, and a fixing tape with which a peripheral edge of the optical sheet and a peripheral edge of the display panel or a peripheral edge of the frame and the peripheral edge of the display panel are bonded to each other. The fixing tape has a notched portion through which an inner peripheral edge and an outer peripheral edge of the fixing tape are communicated with each other.

Abstract: A few-mode optical fiber including a core's refractive-index profile ?n(r) of trapezoid-like shape. The optical core having a center part of radius R1 and a transition part ranges from the radius R1 to a radius R2, such that R2>R1 with R2 between 6.8 and 11.5 ?m, said refractive-index profile being defined by a surface integral of the core index profile of between 180×10?3 and 270×10?3 ?m; a transition slope S of between 1.7×10?3 and 12×10?3 ?m?1; with ?n1 and ?n2 the refractive-index difference respectively of the center part of the optical core and of the cladding part adjacent to the optical core, with respect to the outer optical cladding.

Abstract: Embodiments of the invention include a hybrid or electro-optical cable. The cable includes an optical fiber having a core region and a cladding region formed around the core region, and at least one coating region formed around the optical fiber cladding region. The coating region includes at least one first electrically conductive carbon structure, at least one second electrically conductive carbon structure, and an electrically insulating material coupled between the first electrically conductive carbon structure and the second electrically conductive carbon structure. The cable provides optical energy transmission via the optical fiber. The cable also provides electrical energy transmission via the at least one first and second electrically conductive carbon structures.

Abstract: An optical beam transformer includes a taper structure where the structure width is varied, an integrated aspherical semi-lens structure having a straight proximal end formed adjacent to a distal end of the taper structure to be in direct contact therewith, and a convex semi-lens section having a curved proximal end in direct contact with a curved distal end of the integrated aspherical semi-lens structure.

Abstract: An optical dispersion compensator integrated with a silicon photonics system including a first phase-shifter coupled to a second phase-shifter in parallel on the silicon substrate characterized in an athermal condition. The dispersion compensator further includes a third phase-shifter on the silicon substrate to the first phase-shifter and the second phase-shifter through two 2×2 splitters to form an optical loop. A second entry port of a first 2×2 splitter is for coupling with an input fiber and a second exit port of a second 2×2 splitter is for coupling with an output fiber. The optical loop is characterized by a total phase delay tunable via each of the first phase-shifter, the second phase-shifter, and the third phase-shifter such that a normal dispersion (>0) at a certain wavelength in the input fiber is substantially compensated and independent of temperature.

Abstract: [Object] To propose an optical communication connector, an optical communication cable, and an electronic device being novel and improved that have excellent maintenance properties and can prevent parallel light (collimated light) from being directly emitted to the outside of an optical connector during non-optical coupling. [Solution] There is provided an optical communication connector device including: a collimating lens configured to collimate light from an optical transmission path; a refracting section arranged on a leading end side with respect to the collimating lens, and configured to refract and eject light from the optical transmission path ejected from the collimating lens; and a scattering section configured to scatter at least a part of the light ejected from the refracting section.

Abstract: In a device for transmitting optical signals between a first subassembly and a second subassembly, which rotatable about an axis relative to the first subassembly. The first subassembly includes a first optical waveguide, and the second subassembly includes a second optical waveguide. The device includes a first sleeve enclosing the first optical waveguide, a first bushing enclosing the first sleeve, a housing, a second sleeve enclosing the second optical waveguide, a second bushing enclosing the second sleeve. Furthermore, the device includes a bearing arrangement, including at least one first ring and rolling elements, rollingly supported on a conical surface. The housing encloses the first bushing, the second bushing, and the bearing arrangement, the bearing arrangement is axially displaceable relative to the housing, and the second bushing is axially preloaded with respect to the first bushing via the bearing arrangement.

Abstract: In order to bond an opto-electronic device with fiber pigtails to a larger PCB, the fibers need to be secured in place so that they don't become entangled in the bonding elements resulting in misalignment of the electronic connectors and of the optics. Accordingly, there is a need for packaged parts, which enables customers to use their own surface mount technology (SMT) bonding process without the fiber pigtails interfering with the process. Ideally, the fiber holder device is disposable and provides a spool and a fiber track to guide the fibers from the package to the spool. Ideally, an opening is provided through the spool to enable the components on the opto-electronic device to be accessed.

Abstract: A stackable adapter having opposing ports configured to accept differing fiber optic connectors along a longitudinal axis. The stackable adapter is formed from opposing partially open sidewalls having a recess and a protrusion opposite one another near a top edge and bottom edge. Mating two stackable adapters forms a stackable adapter assembly with stackable outer sidewalls for reducing the width of an array of two stackable adapters by at least one-third over placing two standard adapter side-by-side in the panel.

Abstract: An optical ferrule includes a substrate formed of a diced wafer and a molded structure formed on the substrate. The molded structure may be formed of a curable material. The molded structure may include a plurality of grooves for positioning a plurality of optical fibers therealong, respectively, a plurality of reflective surfaces formed to reflect optical signals from ends of the plurality of optical fibers, respectively, or reflect incident optical signals towards the ends of the plurality of optical fibers, respectively, and an alignment structure disposed to be aligned to a corresponding alignment structure of a socket to which the optical ferrule is coupled.

Abstract: Systems and methods are provided for universal-blindmate sleeve comprising mounting mechanisms for mounting the universal sleeve to a midplane. The universal-blindmate sleeve comprising a sleeve housing, having a first opening for receiving a first blindmate connector. The first opening is arranged at an end of the sleeve housing and facing a first side of the midplane. The sleeve housing further having a second opening for receiving a second blindmate connector, wherein the second opening is arranged at an opposing end of the sleeve housing and facing an opposing side of the midplane. A body of the sleeve housing is configured for blindmating the first blindmate connector to the second blindmate connector through the midplane.

Abstract: The present disclosure provides an optical fiber connector, comprising an integrated ferrule assembly and an integrated outer housing assembly, the ferrule assembly being adapted to be fitted into the housing assembly. The ferrule assembly at least comprises an inner housing, a spring, a multi-hole ferrule, a multi-fiber optical cable, a sleeve and a thermal shrinkable tube. The housing assembly at least comprises an outer housing, an outer tail tube and an outer protection cap.

Abstract: A LC type connector assembly with a push/pull cable boot integrally formed with a protrusion that accepts an adapter release for releasing a fiber optic connector from an adapter port.

Abstract: Devices having at least one connector port associated with a rotating securing features are disclosed. A device for making optical connections comprising a shell, at least one connection port, and at least one rotating securing feature is disclosed. In one embodiment, the at least one connection port is disposed on a device with at the least one connection port comprising an optical connector opening extending from an outer surface of the device into a cavity of the device and defining a connection port passageway. The at least one rotating securing feature is associated with the connection port passageway, and the at least one rotating securing feature is secured to the device along a rotational axis that is not aligned with a longitudinal axis of the at least one connection port.

Abstract: The present disclosure relates to a planar optical waveguide and an optical module. A planar optical waveguide according to the present disclosure includes a core and dads provided at an upper portion and a lower portion of the core, respectively, and an end of an upper clad facing a light source is polished to form a first refractive surface inclined at a first angle to refract a light emitted to the upper portion of the core and guide the light to the core. The refractive surfaces are formed at the upper clad and the lower clad of the planar optical waveguide in consideration of beam characteristics of the light source to reduce optical coupling loss without a separate optical waveguide lens.

Abstract: An optical module including: a plurality of light emitting elements disposed on a same plane; a plurality of mirrors that reflect each light emitted from each of the plurality of light emitting elements; and a condenser lens into which each of the lights reflected by the plurality of mirrors enters. The plurality of mirrors reflects each of the lights emitted from each of the plurality of light emitting elements in a direction inclined with respect to a plane and aligns the light in a fast axis direction. Each of the lights emitted from the plurality of light emitting elements is reflected by the plurality of mirrors away from one another in the fast axis direction and is condensed at one point to reduce an aberration of light compared to a case where each of the lights enters into the condenser lens while propagating parallel to one another.

Abstract: Apparatus for monitoring the output of an optical system. The apparatus comprises first and second fibre optic sections, a reflective coating, and a detector. The first fibre optic section has a first cladding and a first core, and is configured to receive light from the optical system at one end and has at the other end a first angled, polished face. The second fibre optic section has a second cladding and a second core, and has at one end a second angled, polished face. The first and second fibre optic sections are arranged such that the first and second angled, polished faces are substantially parallel and adjacent and the first and second cores are substantially aligned. The reflective coating is applied to the first or second angled, polished face, and is configured to reflect a portion of light transmitted through the first core. The detector is arranged to receive the reflected light.

Abstract: Systems and methods described herein relate to the manufacture of optical elements and optical systems. An example method includes providing a first substrate that has a plurality of light-emitter devices disposed on a first surface. The method includes providing a second substrate that has a mounting surface defining a reference plane. The method includes forming a structure and an optical spacer on the mounting surface of the second substrate. The method additionally includes coupling the first and second substrates together such that the first surface of the first substrate faces the mounting surface of the second substrate at an angle with respect to the reference plane.

Abstract: A wall box includes an enclosure having a base and a cover connected to the base. The base and the cover enclose an interior region. The wall box further includes a plurality of fiber optic adapters mounted to the enclosure. The fiber optic adapters include an inner port positioned inside the interior region and an outer port positioned at an outer surface of the enclosure. A tray stack is mounted within the interior region. The tray stack includes a tray mount pivotally connected to the enclosure. The tray mount includes a top surface and an oppositely disposed bottom surface. A first splice tray mounting area is disposed on the top surface and a second splice tray mounting area is disposed on the bottom surface. A plurality of trays is disposed in the first splice tray mounting area. A tray is disposed in the second splice tray mounting area.