Abstract: A system of digitally controlling light output by producing separate control signals for different colors of light. The light is contained in an optical waveguide, either prior to shaping or after shaping. Each of the control signals is coupled to a digitally controlled device which controls the shape of the light output. The digital controlling device can be digital mirror devices, for example.

Abstract: Apparatus and methods for verifying an acceptable splice termination include propagating light energy into the stub optical fiber of a fiber optic connector, detecting and collecting the amount of optical power emanating from the stub optical fiber at a termination area of the connector, converting the optical power to an electrical signal proportional to the amount of collected optical power, and displaying the electrical signal on a feedback monitor, such as an optical power meter, an LCD bar graph, or an LED. An initial (i.e., reference) value is obtained with the field optical fiber not in physical contact with the stub optical fiber. A final (i.e., terminated) value is obtained with the field optical fiber in physical contact with the stub optical fiber and terminated to the connector. The final value is compared to the initial value to determine whether the change (i.e., difference) is sufficient. Alternatively, the final value is compared to a predetermined limit or threshold.

Abstract: A MEMS-based display device is described, wherein an array of interferometric modulators are configured to reflect light through a transparent substrate. The transparent substrate is sealed to a backplate and the backplate may contain electronic circuitry fabricated on the backplane. The electronic circuitry is placed in electrical communication with the array of interferometric modulators and is configured to control the state of the array of interferometric modulators.

Abstract: A fluid conduit comprises an inner conduit configured for conducting a fluid, and an outer conduit circumferentially enclosing the inner conduit. The outer conduit's inner diameter is larger than the inner conduit's outer diameter, with an interspace being formed between the inner conduit's outer surface and the outer conduit's inner surface. The interspace between the inner conduit's outer surface and the outer conduit's inner surface contains an interspace liquid. The inner conduit is configured for guiding light coupled into the inner conduit, and dependent on the light's angle of incidence, total reflection occurs at a boundary between the inner conduit's outer surface and the interspace between the inner conduit and the outer conduit.

Abstract: A device includes a resonator capable of supporting a plasmon mode, a gain structure arranged to couple energy into the resonator, and a memristive layer arranged to provide an interaction with the plasmon mode. An electric signal applied to the memristive layer can change the interaction and change a resonant frequency of the plasmon mode.

Abstract: The method for producing and processing a preform comprises a preliminary process phase, in which silica grain is supplied into the interior space of a silica tube having an open upper end and a closed lower end, in order to obtain an unprocessed preform, and includes a final process phase, in which the interior space of the silica tube is closed, a condition of reduced pressure is generated, the unprocessed preform is heated with a final process temperature in order to fuse the silica tube and the silica grain. According to the invention the silica grain entering the interior space is thermally treated during the preliminary process phase with an intermediate process temperature that lies under the melting point of the silica grain.

Abstract: A process for fabricating a fiber composite underbody panel for a vehicle begins by laying-up a first fiber composite sheet on a suitable form or tool. Current carrying wiring that is normally carried by the floor is laid in place on the first sheet, with the ends of the wires extending beyond the edges of the sheet. The wires are shielded to prevent the radiation of fields therefrom into the interior of the vehicle. Fiber optic cable is used to carry signals. A second fiber composite sheet is then laid-up on the first sheet. The two sheets with the embedded wires are placed in a heated mold to form the sheets into the desired finished shape and configuration. The ends of the copper wires and the fiber optic cables are then terminated by connectors so that they may be later coupled to the circuitry of the vehicle.

Abstract: The invention relates to an adapter (1) for sleeves (20) with elastomer cable seals (28), comprising at least one tubular element (3) and a support element (2), the support element (2) comprising means for fastening the support element (2) to a lower housing part (21) of a sleeve (20) and to a method for introducing a fiber-optic cable into a sleeve (20) using an adapter (1).

Abstract: This invention discloses highly scalable and modular automated optical cross connect switch devices which exhibit low loss and scalability to high port counts. In particular, a device for the programmable interconnection of large numbers of optical fibers (100's-1000's) is provided, whereby a two-dimensional array of fiber optic connections is mapped in an ordered and rule-based fashion into a one-dimensional array with tensioned fiber optic circuit elements tracing substantially straight lines there between. Fiber optic elements are terminated in a stacked arrangement of flexible fiber optic circuit elements with a capacity to retain excess fiber lengths while maintaining an adequate bend radius. The combination of these elements partitions the switch volume into multiple independent, non-interfering zones, which retain their independence for arbitrary and unlimited numbers of reconfigurations.

Abstract: An RF signal processing device which includes a countermeasure set connected to the processing device. The RF signal processing device shifts an incoming RF signal by ninety degrees and combines the phase shifted RF signal with RF jamming signals from a jammer. The processing device next transmits the RF signal including the RF jamming signals from the jammer.

Abstract: A decohered laser light production system is provided. The decohered laser light system comprises a laser source. The system further comprises a multi-mode fiber having an input face, an output face and a body for propagating light from the input face to the output face, the input face arranged to accept laser light from the laser source, the body comprising a length such that laser light is generally decohered when exiting the output face.

Abstract: A re-terminable, no-crimp ST-type optical connector assembly includes a spring-loaded ferrule holder assembly and a reusable activation system for termination of the assembly. The optical connector can be terminated by a suitable cam activation tool. The connector includes a housing, such as a bayonet, matable to a mating adapter, a backbone retained within a rear of the housing, a ferrule holder provided within the backbone, and a cam provided between the ferrule holder and the backbone. The ferrule holder includes an alignment key exposed to mate with a cam activation tool to lock rotation of the ferrule holder relative to other connector components. The cam includes a cam activation cutout at a front face thereof that mates with a cam activation tool interface to enable rotation of the cam between de-activated and activated positions, the cam activation cutout also receiving the alignment key of the ferrule holder therethrough.

Abstract: A package structure and method of packaging for an interferometric modulator. A thin film material is deposited over an interferometric modulator and transparent substrate to encapsulate the interferometric modulator. A gap or cavity between the interferometric modulator and the thin film provides a space in which mechanical parts of the interferometric modulator may move. The gap is created by removal of a sacrificial layer that is deposited over the interferometric modulator.

Abstract: A device and a method for creating a spatial dose distribution in a medium volume (22) are described. A laser system produces laser pulses (12) with a pulse length shorter than 200 fs (femtoseconds) and is capable to be focused to peak intensities greater than 10^18 W/cm^2 (watts per centimeter squared). An electron source (18) is capable of releasing a high-energy electron pulse (20), in particular the electrons having an energy greater than 100 MeV, upon irradiation with said laser pulses (12) propagating into the medium volume (22). The light paths (52, 56,58) of at least some of the laser pulses (12) are adjustable in such a way that high-energy electron pulses (20) are emitted from the irradiated at least one electron source on different trajectories (20,28,60,62) through the medium volume (22) thereby depositing their dose in the medium volume (22) according to a provided pattern.

Abstract: The present invention relates to a transmission optical fiber. The optical fiber includes, from its center to its periphery a central core, an intermediate cladding, and a depressed cladding. The optical fiber has an effective area (Seff) of at least about 120 ?m2 at a wavelength of 1550 nm and an effective cutoff wavelength (?Ceff) of less than 1600 nm. The optical fiber has an effective area of more than 120 ?m2 with a cutoff wavelength limited to less than about 1600 nm without degradation of other optical parameters (e.g., attenuation losses and dispersion).

Abstract: A dust cap and a dust plug for installation with optical fiber connectors and optical fiber adapters respectively. The dust cap and the dust plug have features that protect an optical interface on the optical fiber connector and the optical fiber adapter from contamination. At least an exterior portion of the dust cap and the dust plug illuminate when installed on the optical fiber connector and the optical fiber adapter terminating an optical fiber transmitting visible light. The dust cap and the dust plug have features that reduce the intensity of a high power optical signal emitted from the optical fiber terminated by the optical fiber connector and optical fiber adapter. A first embodiment diffracts the optical signal, thereby reducing its intensity. A second embodiment disburses the optical signal, thereby reducing its intensity. A third embodiment absorbs high power frequencies of the optical signal and transmits certain visible frequencies.

Abstract: A loop back connector and methods for testing lines in a fiber optic network are disclosed. The loop back connector includes a ferrule having an interface side constructed for optical connection to a multifiber optical cable. The loop back connector also includes first and second optical loop back paths, each having first and second terminal ends positioned at the interface side. The terminal ends of each loop back path are adapted to be aligned to fibers in the multifiber optical cable. The method includes injecting a signal on a first optical path at a first location, looping back the signal at a second location onto a second optical path, and receiving the signal on the second optical path at the first location.

Abstract: A field-installable multi-fiber ferrule has two portions and one portion has optical fibers already secured therein. The second portion receives optical fibers to mate with the secured optical fibers. A tool is provided to assist in inserting the optical fibers into the multi-fiber ferrule by aligning and holding the optical fibers while they are secured in the multi-fiber ferrule.

Abstract: A method for imaging a structure disposed in a borehole penetrating the earth, the method including: selecting a splice housing having a first port configured to seal the housing to a first fiber optic cable and a second port configured to seal the housing to a fiber optic sensor configured to image the structure, wherein the housing includes a sealed interior volume sufficient to contain a splice of optical fibers for protection and to enable a functional bend of at least ninety degrees for at least one spliced optical fiber; disposing a splice between an optical fiber of the first fiber optic cable and an optical fiber of the fiber optic sensor in the splice housing; disposing the splice housing containing the splice in the borehole; attaching the fiber optic sensor to the structure; and disposing the structure in the borehole after the splice housing is disposed in the borehole.

Abstract: A drawer slide having first and second rails interconnected by a center rail. The center rail includes a spool configured to provide half-speed travel of the center rail relative to the travel of the first rail. The drawer slide is configured for use with a drawer assembly having a drawer and a chassis. The drawer assembly further includes a radius limiter secured to the center rail. The radius limiter travels at half-speed relative to the drawer. The radius limiter also automatically rotates relative to the travel of the drawer. The chassis includes sides including threaded backing plates, and mounting brackets. The mounting brackets include tri-lobed holes for receipt of a reciprocally shaped washer and a fastener for mounting the brackets to the chassis sides.

Abstract: A fiber tip fluid output device is provided for holding a fiber tip in an electromagnetic energy cutting apparatus and for directing water particles over a radiation delivery end of the fiber tip. The fiber tip fluid output device includes a generally cylindrical body having an outer surface, a proximal end, a distal end, and a lumen extending between the proximal end and the distal end. The lumen is sized and shaped to accommodate a fiber tip therethrough so that the fiber tip extends through the lumen from the proximal end to the distal end of the generally cylindrical body. The fiber tip fluid output device further includes a plurality of apertures extending around the generally cylindrical body, with each of the apertures of the plurality of apertures fluidly connecting the outer surface to the lumen. Fluid is mixed around the cylindrical body, before entering the lumen through the plurality of apertures for additional mixing.

Abstract: An optical waveguide film includes: an optical waveguide film main body including an optical waveguide core through which light travels and a cladding portion that encloses the optical waveguide core and has a lower refractive index than that of the optical waveguide core; and a marking member that is disposed at least at a portion of a principal surface of the optical waveguide film main body so as to protrude from the principal surface and that includes, at a surface thereof, a groove-shaped mark for positioning.

Abstract: A strain relief for distributing strain along an outer surface of an optical fiber cable is disclosed. The strain relief is shaped to surround and tangentially grip the cable via friction between the outer surface of the cable and an inner surface of the strain relief. The strain relief also includes a pulling eye to protect the cable (and a connector) from pulling force (i.e. strain), water and dust. The strain relief is relatively small, low cost and easy to use.

Abstract: Methods of forming a layered heater are provided that comprise at least one resistive layer comprising a resistive circuit pattern, the resistive circuit pattern defining a length, a thickness, and a spacing, wherein the thickness varies along the length of the trace of the resistive circuit pattern for a variable watt density. The methods include achieving the variable thickness by varying a dispensing rate of a conductive ink used to form the resistive circuit pattern, varying the feed rate of a target surface relative to the dispensing of the ink, and overwriting a volume of conductive ink on top of a previously formed trace of the resistive circuit pattern.

Abstract: An optical sight is provided and may include a housing, at least one optic supported by the housing, and an illumination device associated with the at least one optic that selectively supplies the at least one optic with light. The illumination device may include a first fiber associated with a first light source and a second fiber associated with a second light source. A coupler may join the first fiber and the second fiber and may supply the at least one optic with light from at least one of the first light source and the second light source.

Abstract: Optical interconnection methods for high-speed data-rate optical transport systems are disclosed that optically interconnect active assemblies to a fiber optic cable in a polarization-preserving manner. The methods include defining active-assembly-wise connector ports that connect to active assembly transmit and receive ports, and defining or establishing a pairings method between the active-assembly-wise connector ports. In a first optical interconnection assembly, an active-assembly-wise port is optically connected to a cable-wise port. In the second optical interconnection assembly, the cable-wise port that corresponds to the connected cable-wise port in the first optical interconnection assembly is optically connected to a select active-assembly-wise port as defined by the pairings method. The optical connection process is then repeated from the second to the first optical interconnection assembly. The optical interconnection acts are repeated until all of the active-assembly-wise ports are connected.

Abstract: A bioreactor and bioreactor system are suitable for the growth of materials from algae. More specifically, the system preferred embodiments use concentrated sunlight in a solo- or co-generation system to produce algae and products therefrom as well as solar thermal energy.

Abstract: An optical module including a cylindrical holder in an optical receptacle for optically connecting an optical fiber and an optical device, a ferrule that holds a tip end section of the optical fiber; and a holder that holds a base end section of the ferrule. The tip end section of the optical fiber and the ferrule are inserted into the cylindrical holder and held there within and a ring shaped spacer is provided that fills a gap between the cylindrical holder and the holder in a state in which the tip end section of the optical fiber and the ferrule are inserted into the cylindrical holder.

Abstract: A fiber optic cable connection assembly includes an enclosure housing and a fiber optic cable. The enclosure housing defines a chamber and a fiber handling region disposed in the chamber. The fiber optic cable has a lengthwise cable axis and including a plurality of cable optical fibers, a jacket surrounding the cable optical fibers and a strength member extending through the jacket. The cable includes an arcuately bent cable segment disposed in the chamber. The bent cable segment defines a cable plane and an interior region within the arc of the bent cable segment. At least one of the cable optical fibers extends fully through the enclosure housing uncut. The strength member extends fully through the enclosure housing uncut. The fiber handling region is disposed in the interior region.

Abstract: An optical package is provided comprising a laser diode, coupling optics, a wavelength conversion device, and a multi-component mounting frame. The coupling optics comprises a first lens component that creates a virtual magnified image V of the waveguide of one of the opposing facets with a magnification factor M1 and a second lens component that creates a focused image of V at the remaining opposing facet with a magnification factor M2. The virtual magnified image V is outside of the interfacial waveguide-to-waveguide optical path of the package and the multi-component mounting frame comprises first and second frame components that independently fix the relative alignment of the first and second lens components. The first and second frame components are secured to each other such that angular misalignment between the first and second frame components originates along a fixation interface H that is outside of the interfacial waveguide-to-waveguide optical path.

Abstract: A light-diffusing safety cap for use with a light cable that couples an endoscope to a high intensity light source. The light-diffusing safety cap can be detachably or releasably coupled, in lieu of the endoscope, to the light cable, such that when the high intensity light source emits a high intensity light and the endoscope is not connected to the light cable, the light-diffusing safety cap reduces the intensity of the high intensity light emitted to the environment and provides an indication that the high intensity light source is activated when the endoscope is not connected to the light cable.

Abstract: A method is provided for visual inspection of an array of interferometric modulators in various driven states. This method may include driving multiple columns or rows of interferometric modulators via a single test pad or test lead, such as test pad, and then observing the array for discrepancies between the expected optical output and the actual optical output of the array. This method may particularly include, for example, driving a set of non-adjacent rows or columns to a state different from the intervening rows or columns and then observing the optical output of the array.

Abstract: A fiber-based electric apparatus includes an elongate, flexible fiber core. The apparatus also includes an electric device layered on the fiber core.

Abstract: An electro-optical device includes: an electro-optical panel; a light-transmissive member that overlaps the electro-optical panel and has a protruding part that protrudes so as to be positioned outside an edge of the electro-optical panel, the light-transmissive member having a first area and a second area that is located outside the first area; a coloration layer that is formed on a surface of the light-transmissive member at the second area; an adhesive material that is provided between a part of the coloration layer and a corresponding part of the electro-optical panel as well as between the part of the light-transmissive member and a corresponding part of the electro-optical panel; and a first light-shielding layer formed over one surface of the light-transmissive member, and the first light-shielding layer being formed at an area where the coloration layer does not overlap the adhesive material in a plan view.

Abstract: A liquid core waveguide assembly includes: a waveguide-forming body formed with a waveguide channel and first and second fiber channels, transparent first and second partition walls, and a liquid inlet in fluid communication with the waveguide channel, the waveguide channel having a first end spaced apart from the first fiber channel by the first partition wall, and a second end spaced apart from the second fiber channel by the second partition wall; and at least one first optical fiber and at least one second optical fiber extending into the first and second fiber channels, respectively. A detecting system including the liquid core waveguide assembly is also disclosed.

Abstract: Certain embodiments of the invention may include systems and methods for coating an optical fiber. The method includes coating an optical fiber with a primary coating, preparing a secondary coating by selectively mixing a concentrate with an ultraviolet (UV) curable diluent coating, wherein the concentrate comprises predetermined amounts of a color agent and a release agent, and applying the secondary coating to the optical fiber and primary coating.

Abstract: A system is provided for amplification of laser light, the system having: a plurality of non-silica optical fibers, each the non-silica optical fiber disposed within a sheath; each the non-silica optical fiber being doped with a dopant such that the non-silica fiber has a low non-linear effect; a light source, directing a light beam into a first the non-silica optical fiber; heat dissipating components disposed about the plurality of non-silica optical fibers forming a package; and the package being not greater than 100 cm3.

Abstract: A light guiding structure for electric connector includes an insertion base being provided at two opposite lateral sides with a recessed portion each; at least two light-guiding units being separately connected to the two lateral sides of the insertion base, and respectively having an end formed into two engaging sections for fitting in the recessed portions; and an enclosure for enclosing the insertion base and the light-guiding units therein. The light guiding structure for electric connector can be easily and firmly assembled through engagement of the engaging sections of the light-guiding units with the recessed portions on the insertion base, and the light-guiding units are prevented from light leakage.

Abstract: A release latch for a pre-terminated cassette is described. The pre-terminated cassette includes a release latch to allow removal of the pre-terminated cassette from a patch panel, where the patch panel includes a retaining feature for retaining the pre-terminated cassette. The release latch includes a cantilever beam located on the sidewall of the pre-terminated cassette. The cantilever beam has a hinge point that allows the beam to deflect with respect to the sidewall. The release latch further includes a depressing tab provided at the distal end of the cantilever beam and a latch tab protruding from the surface of the cantilever beam between the hinge point and the depressing tab. The latch tab is capable of engagement with the retaining feature of the patch panel when the cassette is installed in the patch panel.

Abstract: A system for fiber optic packaging includes a first substrate and a first deformable pad coupled to the first substrate. The first deformable pad is characterized by a thermal conductivity greater than 1 W/mK. The system also includes a fiber coil having at least a portion embedded in the first deformable pad to provide physical contact between the at least a portion of the fiber coil and the first deformable pad. The system further includes a second substrate coupled to the fiber coil and at least a portion of the first deformable pad.

Abstract: An apparatus comprising a carrier comprising at least one heat-generating component and a thermoelectric cooler (TEC) coupled to a surface of the carrier, wherein the cross-sectional area of the TEC is less than the cross-sectional area of the carrier, and wherein the TEC is aligned with the heat-generating component. Included is an apparatus comprising a carrier comprising a plurality of optical transmitters and an active component, at least one TEC coupled to the surface of the carrier, and a support post coupled to the surface of the carrier, wherein the support post has a higher thermal resistivity than the TEC, wherein the cross-sectional area of the TEC is less than the cross-sectional area of the carrier, and wherein the TEC is aligned with the optical transmitters, the active component, or both.

Abstract: An optical fiber of which one end is optically coupled to a laser light source propagating, from the one end to other end, a laser light emitted from the laser light source. A light-guiding plate includes a light-guiding section in which a plurality of right prisms of the same shape for extracting the laser light by contacting the optical fiber are arranged parallel to each other in the same direction at equal intervals. A planar section diffuses the laser light extracted from the light-guiding section and emits the diffused laser light from one main surface. The optical fiber is bent more than twice to form a plurality of straight line portions arranged parallel to each other at unequal intervals, and the optical fiber and the light-guiding plate are positioned such that the laser light is extracted at equal intervals from each of the plurality of straight line portions.

Abstract: A holder capable of protecting an optical connector ferrule from an external shock, or the like and executing a fusion-splice of a short optical fiber not to take out the optical connector ferrule from the holder is obtained. A holder for holding a connector plug equipped with an optical connector ferrule to which a short optical fiber is fitted and a plug frame for covering an outer periphery of the optical connector ferrule therein, wherein, when the short optical fiber together with the holder is fitted to a fusion splicing apparatus that fusion-splices the short optical fiber and other coated optical fiber, the short optical fiber extended from the plug frame is positioned in a fusion position.

Abstract: A MEMS-based display device is described, wherein an array of interferometric modulators are configured to reflect light through a transparent substrate. The transparent substrate is sealed to a backplate and the backplate may contain electronic circuitry fabricated on the backplane. The electronic circuitry is placed in electrical communication with the array of interferometric modulators and is configured to control the state of the array of interferometric modulators.

Abstract: Provided is a signal identifying apparatus for an optical fiber that includes a detecting portion capable of detecting a signal originating from a first end of the optical fiber and a signal originating from a second end of the optical fiber. Additionally, the signal identifying apparatus includes an identifying portion that identifies a desired signal by separating the signal originating from the first end of the optical fiber from the signal originating from the second end of the optical fiber.

Abstract: A manufacturing method of an opto-electric hybrid module which is capable of suppressing losses in cost, and an opto-electric hybrid module obtained thereby. An optical waveguide portion W1 including protrusions 4 for the positioning of an electric circuit portion E1, and the electric circuit portion E1 including through holes 8 for fitting engagement with the protrusions 4 are produced individually. An optical element 11 is mounted on the electric circuit portion E1. Thereafter, an inspection is performed to verify the mounting state of the optical element 11. When the appropriate mounting is verified, the through holes 8 in the electric circuit portion E1 are brought into fitting engagement with the protrusions 4 for the positioning of the electric circuit portion E1, whereby the electric circuit portion E1 with the optical element 11 mounted thereon and the optical waveguide portion W1 are integrated with each.

Abstract: A system for writing an optical code within or on a fiber substrate. The system includes a holding device that has a plurality of supports spaced apart from each other. The fiber substrate is wound about the supports such that the fiber substrate forms at least one flat section extending between adjacent supports. The system also includes at least one light source that is configured to write an optical code within or on the flat section of the fiber substrate.

Abstract: An optical antenna collects, modifies and emits energy at light wavelengths. Linear conductors sized to correspond to the light wavelengths are used. Nonlinear junctions of small dimension are used to rectify an alternating waveform induced upon the conductors by the lightwave electromagnetic energy. The optical antenna and junctions are effective to produce harmonic energy at light wavelengths. The linear conductors may be comprised of carbon nanotubes that are attached to a substrate material, which may then be connected to an electrical port.

Abstract: The invention provides a method of making an electro-optical printed circuit board, the method comprising: providing a support layer having thereon surface mounted electric components within a region of the support layer; forming one or more surface mounted optical components on the surface of the electro-optical printed circuit board; and during formation of the one or more surface mounted optical components shielding the region of the electro-optical printed circuit board where the surface mounted electric components are formed.

Abstract: A fiber optic enclosure assembly includes a housing having an interior region and a bearing mount disposed in the interior region of the housing. A cable spool is connectedly engaged with the bearing mount such that the cable spool selectively rotates within the housing. A termination module disposed on the cable spool so that the termination module rotates in unison with the cable spool. A method of paying out a fiber optic cable from a fiber optic enclosure includes rotating a cable spool, which has a subscriber cable coiled around a spooling portion of the cable spool, about an axis of a housing of the fiber optic enclosure until a desired length of subscriber cable is paid out. A termination module is disposed on the cable spool.