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Optical Waveguides > With Optical Coupler > Input/output Coupler Input/output CouplerInput/output Coupler patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.08/23/07 - 20070196045 - Method of coupling an electromagnetic signal between a signal source and a waveguide In a method for coupling an electromagnetic signal between an electromagnetic signal source and an electromagnetic waveguide, wherein, in use, there is relative movement between the source and the waveguide, at each side where the source is launched into the waveguide, the properties of the waveguide are modified to permit ... 08/16/07 - 20070189667 - Display element and display device using the same A display element is provided with a light source and a waveguide that propagates a light emitted from the light source, wherein the light propagated in the waveguide is extracted to outside from a waveguide lateral face, and wherein the light is extracted out of the waveguide from the waveguide ... 08/09/07 - 20070183715 - Method and apparatus for spatial domain multiplexing in optical fiber communications The subject invention pertains to a method and apparatus for multiplexing in optical fiber communications. The subject invention relates to a method and apparatus for spatial domain modulation in optical wavelengths. In a specific embodiment, the subject invention relates to a spatial domain multiplexer (SDM) for use with an optical ... 08/09/07 - 20070183714 - Light-guiding device and a method of guiding light A light-guiding device having a coupling-in surface (46) for coupling-in light radiation substantially in a first main direction (41) perpendicular to said coupling-in surface (26;46), and having a coupling-out surface (47,48,49) for coupling-out light radiation substantially in a second main direction (42) perpendicular to said coupling-out surface. The coupling-out surface ... 07/26/07 - 20070172171 - Optical microstructures for light extraction and control The application of microstructures which improve the quality of light available to the viewer of an optical display system, or any display which works on the concept of moving one surface into direct contact or close proximity of a light guide to extract light through frustrated total internal reflection. Optical ... 07/12/07 - 20070160324 - Photonic input/output port The present I/O ports comprise (1) a layered structure comprising (a) an unpatterned superstrate having at least one layer, (b) an unpatterned substrate having at least one layer, and (c) at least one intermediate layer sandwiched between the unpatterned superstrate and the unpatterned substrate, (2) a coupling region that is ... 07/05/07 - 20070154140 - Apparatus for mounting for multiple lasers, and microscope An apparatus for mounting for multiple lasers (16a, 16b, 16c) is disclosed. The multiple lasers (16a, 16b, 16c) generate light that is guided via a light-guiding fiber to an optical system (10). Provided for that purpose on the mounting plate (15) is a combining unit (18) that comprises multiple input ... 06/21/07 - 20070140615 - Waveguide and optical cable module A waveguide includes a core part, clad layer surrounding the core part about an optical axis of the core part, and an optical path conversion mirror formed at the end face of at least one of the core part or the clad layer. The optical path conversion mirror converts an ... 05/24/07 - 20070116408 - Optical imaging probe connector 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 ... 05/24/07 - 20070116407 - High speed comparator The invention relates to a comparator with a constant duty cycle for high frequency data signals. Such comparators are often part of an integrated circuit and particularly useful in the mobile phone technology. To achieve the desired constant duty cycle for high frequency data signals, the comparator according to the ... 05/10/07 - 20070104420 - Techniques for use of nanocavities to enhance quantum processing with photons and the zeno effect Techniques are provided for placing atoms inside an appropriate nanocavity for enhancing two-photon absorption and quantum information processing based on the Zeno effect. Techniques for fabricating suitable nanocavities include: 1) a short length of optical fiber polished on the ends with the ends coated to form suitable mirrors; 2) a ... 01/18/07 - 20070014516 - Optical isolator with tilted optical isolator element An optical isolator including: (a) a support body; (b) an optical fiber assembly disposed in the support body including a first single mode fiber, a first graded index fiber, a coreless fiber, a second graded index fiber, and a second single mode fiber; and (c) an optical isolator element disposed ... 12/21/06 - 20060285793 - Side-firing laser An apparatus for transmitting laser light and redirecting the light laterally relative to an axis of the apparatus includes an optical fiber having both a core and a cladding surrounding the core. The optical fiber terminates at a distal tip having a surface inclined relative to the axis of the ... 12/14/06 - 20060280404 - Optical fiber microscopy launch system and method A launch system and method for microscopy having an optical fiber positioned proximate a sample slide with an optical fiber mounting element so as to deliver an EMR from a terminal end of the optical fiber across a surface of the sample slide to an opposing side surface at a ... 11/09/06 - 20060251357 - Optical coupler A coupling element (3) and a waveguide structure (4) are deposited on a common substrate (2) of an optical component (1). The coupling element (3) serves for the optical coupling of the waveguide structures (4) to a further optical component. The coupling element (3) contains a reflecting, curved surface (31.1-31.8) ... 10/19/06 - 20060233489 - Light guide plate, surface light source having same, and related display device A light guide plate (100) includes a light incident surface (110), two opposite light emitting surfaces (120) each adjoining to the light incident surface, a plurality of first tapered structures (132), and a plurality of second tapered structure (134). The first and second tapered structures are provided on the light ... 10/12/06 - 20060228073 - Optical device and virtual image display device A virtual image display device is provided which displays a two-dimensional image for viewing a virtual image in a magnified form by a virtual optical system. The virtual image display device includes an optical waveguide (13) to guide, by internal total reflection, parallel pencil groups meeting a condition of internal ... 09/28/06 - 20060215958 - Enhanced electroluminescent sign An enhanced electroluminescent sign containing a volumetric, anisotropic scattering element to control the angular spread of light from the sign and the spatial luminance uniformity of the sign. The anisotropic scattering element contains one or more regions of asymmetrically-shaped light scattering particles. The angular spread of light leaving a sign ... 09/28/06 - 20060215957 - Optical coupler apparatus and method A planar lightwave circuit coupler including first and second waveguides with curved coupling portions having radii of curvature selected such that the coupler has a splitting ratio that is substantially wavelength and polarization insensitive. ... 09/14/06 - 20060204173 - Optical connector, optical coupling method and optical element An optical connector used for inputting light to an optical element from an external optical system or outputting light from an optical element to an external optical system includes a photonic crystal having a periodic refractive index structure, and an optical waveguide to be optically coupled to the optical element ... 08/17/06 - 20060182390 - Configurations and methods for manufacturing optical devices using an athermal platform The present invention discloses an improved optical device having at least a first and second optical components. The optical device further includes a first extending tube securely attached to the first and second optical components as a first building block wherein the first and second optical components are aligned and ... 08/17/06 - 20060182389 - Display device comprising a light transmitting first plate and light-absorbing means The display device (1) comprises a light transmitting first plate (2), a second plate (4) facing the first plate (2), a movable element (3) between the first plate (2) and the second plate (4) able to decouple light out of the first plate (2). The first plate (2) has a ... 07/20/06 - 20060159393 - Light guide and image reader A light guide emits lights incident on an end face from an emitting face extending longitudinally of the guide, while having the lights reflected by its internal face. A sectional shape of the guide in a direction orthogonal to the longitudinal direction of this light guide has two opposite parabolas, ... 07/06/06 - 20060147151 - Lighting device comprising a plurality of semiconductor light sources A lighting device is disclosed comprising a plurality of semiconductor light sources disposed on a carrier, wherein the light from the light sources is coupled into assigned lightguides at a set angle to the surface normals of the carrier and the lightguides are provided with reflecting and light exit faces ... 06/15/06 - 20060127003 - Optical fiber illuminator, method of fabricating the optical fiber illuminator, and optical recording head and optical recording and reading apparatus having the optical fiber illuminator Provided is an optical fiber illuminator used for recording and reading high density optical information according to a near field recording (NFR) scheme, a method of fabricating the optical fiber illuminator, and an optical recording head and recording apparatus having the optical fiber illuminator. The optical fiber illuminator includes: an ... 06/15/06 - 20060127002 - Light transfer component The present invention provides a light transfer component formed from a material that is transparent for light of a predetermined range of wavelengths. The light transfer component comprises a first substantially flat portion, a second rounded portion, and an intermediate portion disposed between the first and the second portion. The ... 06/01/06 - 20060115214 - Methods for manipulating light extraction from a light guide In one embodiment, a method of defining an array of extractor elements configured to extract light from a light guide, and thereby produce a desired spatial light pattern ET quantifying optical output at a plurality of locations across the light guide is provided. The method comprises calculating a first spatial ... 06/01/06 - 20060115213 - Lighting device and liquid crystal display device A backlight (lighting device) is arranged on a backside of a liquid crystal panel, and comprises an LED, an optical waveguide, a reflective sheet, and a prism sheet. A diffractive optical element (DOE) constituted of a binary concave and convex pattern is formed in an end surface of the optical ... 05/25/06 - 20060110103 - Optoelectronic devices A locking mechanism suitable for a door or window comprises a barrel having a passage or keyway, a key insertable into the passage or keyway, one or more light sources for generating and transmitting an optical signal and one or more receivers for receiving the or each optical signal. A ... 05/04/06 - 20060093262 - Light waveguide and fluorescent sensor using the light waveguide A light waveguide includes: a light introducing portion for introducing light coming from a light source into a waveguide main body; a light radiating surface for radiating the light introduced through the light introducing portion to the hydrogel side; a light transmitting surface which is disposed opposite to and in ... 05/04/06 - 20060093261 - Method and apparatus for optically coupling an optical waveguide to an optical module A method for optical coupling an optical waveguide to an optical unit arranged in or on an optical module, a corresponding optical module, coupling element, and a kit of coupling elements is provided. The optical module has a reference geometry which defines a first axis of symmetry. Any offset between ... 05/04/06 - 20060093260 - Method and apparatus for mitigation of modal dispersion effects in multimode fiber A method for mitigating modal dispersion in a multimode optical fiber involves launching a diffractionless optical beam, such as a Bessel beam, into a multimode optical fiber. A fiber optical transmission system includes a multimode optical fiber transmission medium having an input end and an output end, an optical signal ... 05/04/06 - 20060093259 - Electro-optical module comprising flexible connection cable and method of making the same An electro-optical module comprising flexible connection cable and aligning capabilities is disclosed. Electro-optical devices may be soldered on a transparent substrate such as glass or a substrate comprising an optical waveguide wherein electrically conductive traces are designed, forming an electro-optical module. When such electro-optical module is inserted and aligned into ... 04/06/06 - 20060072876 - Optical signal receiver, optical signal receiving apparatus, and optical signal transmitting system The optical signal receiver of this invention is an optical signal receiver that receives and frequency-demodulates an optical signal, comprising: an optical branch device for splitting an input optical signal into two optical signals (13); an optical delay line for delaying one of the two branched optical signals (15); a ... 03/09/06 - 20060051019 - Electrooptic modulation element On one pair of opposed side faces (1a, 1b) of electro-optic crystal (1), grooves (3a, 3b) are formed so as to make bottom faces of the grooves approach each other and make a distance between the bottom faces shorter than a predetermined distance, and the pair of electrodes (5a, 5b) ... 03/09/06 - 20060051018 - Integrated optics component comprising a cladding and method for making same This invention relates to an integrated optics component including at least one optical guide core (11) and at least one optical cladding (9) in a substrate (7), the core and the cladding being independent of each other in the substrate, at least one portion of said cladding surrounding at least ... 03/02/06 - 20060045418 - Optical printed circuit board and optical interconnection block using optical fiber bundle Disclosed is an optical printed circuit board (PCB) having a multi-channel optical waveguide, which comprises: an optical waveguide having an optical path for transmitting light beams; a groove for penetrating the optical waveguide; and an optical interconnection block inserted in the groove and connected to the optical waveguide to transmit ... 03/02/06 - 20060045417 - Optical transmission circuit device A plurality of boards are arranged perpendicular to a base plate and parallel to each other. An optical transmission circuit connects the boards according to an optical transmission method. Each of the boards has a photoelectric conversion circuit that converts optical signals into electric signals and vice versa. The optical ... 02/23/06 - 20060039649 - Method for incidence of light into a photonic crystal optical waveguide and structure thereof Disclosed in a method and a device in which a wave number of light in the waveguide mode of a photonic crystal optical waveguide is matched with that of the incident light, or a intensity ratio of electric field to magnetic field of the light in the waveguide mode of ... 02/16/06 - 20060034567 - Optical beam combiner An optical beam combiner for combining a plurality of light beams comprises: a plurality of spherical mirrors; and a flat mirror, the plurality of spherical mirrors and the flat mirror configured to form at least one multiple pass light beam optical arrangement for receiving the plurality of light beams and ... 02/16/06 - 20060034566 - Display element and display using the same A display element is provided with a light source and a waveguide that propagates a light emitted from the light source, wherein the light propagated in the waveguide is extracted to outside from a waveguide lateral face, and wherein the light is extracted out of the waveguide from the waveguide ... 01/19/06 - 20060013533 - Method and apparatus for improving safety during exposure to a monochromatic light source A method and apparatus are disclosed for improving bodily safety during exposure to a monochromatic light source by diverging the monochromatic light, such as with a highly durable diffuser. At a first position of the distal end of the monochromatic light source the energy density of an exit beam from ... 01/19/06 - 20060013532 - Fiber delivery system with enhanced passive fiber protection and active monitoring In an optical fiber system for delivering laser, a laser beam is focused onto an optical fiber at an injection port of the system. The end portions of the fiber have cladding treatments to attenuate stray light and cladding mode light, so as to enhance the protection of the outer ... 01/12/06 - 20060008205 - High efficacy waveguide coupler An optical coupling apparatus for coupling a waveguide to a light source, when the light source emits light at a divergence angle that is larger than the critical angle of the waveguide. The optical coupler comprises a plurality of light-guides, preferably cut from the edge of the waveguide. The light-guides ... 01/05/06 - 20060002656 - Surface relief structure A stepped surface relief structure positioned on a substrate is configured to reflect narrow-band light wavelengths and is further configured such that the substrate can be incorporated into at least one of a thread, a fiber or a flake. ... 01/05/06 - 20060002655 - Apparatus and method for making flexible waveguide substrates for use with light based touch screens Flexible optical waveguide substrates that can be used with touch screen displays. The waveguide substrates include a flexible base material. A first optical layer having a first index of refraction value is formed on the flexible base material. A second optical layer is then formed on the first optical layer, ... 12/29/05 - 20050286831 - Polymeric optical waveguide film, polymeric optical waveguide module and method of manufacturing polymeric optical waveguide film A polymeric optical waveguide module has: a light-emitting element; a polymeric optical waveguide film having a lower clad, a core, an upper clad, an optical path changing mirror surface provided at one end of the polymeric optical waveguide film and a guided light leakage portion on at least one of ... 12/22/05 - 20050281507 - Coupling device for coupling light between a planar optical component and an optical assembly A multilayer planar optical component has a multiplicity of optical conductors. Each optical conductor is assigned a deflecting device that launches or couples out light at an angle to a longitudinal direction of the respective optical conductor, and the deflecting devices form a two-dimensional grid in the projection onto a ... 12/22/05 - 20050281506 - Laser apparatus, exposure head, exposure apparatus, and optical fiber connection method An optical fiber of a bundled fiber light source is an optical fiber whose core diameter is uniform but whose emission end cladding diameter is smaller than an incidence end cladding diameter thereof, and a light emission region thereof is made smaller. An angle of luminous flux from this higher ... 12/01/05 - 20050265655 - Laser apparatus, exposure head, exposure apparatus, and optical fiber connection method An optical fiber of a bundled fiber light source is an optical fiber whose core diameter is uniform but whose emission end cladding diameter is smaller than an incidence end cladding diameter thereof, and a light emission region thereof is made smaller. An angle of luminous flux from this higher ... 12/01/05 - 20050265654 - Stationery products incorporating fiber optics The inventive subject matter is directed toward a stationery item having bundles of fiber optics that extend through an outside surface of the stationery item in order that points at the terminating points of the fibers can be viewed. These points can be arranged to coincide with a printed object ... 11/24/05 - 20050259917 - Spatial phase filter for light beams, system and corresponding method a phase shifting zone support (320) limited in relation to the incident beam according to the dimension(s). The invention also relates to a system implementing several filters and a method for filter calculating. ... 11/24/05 - 20050259916 - Multimode fiber optical fiber transmission system with offset launch single mode long wavelength vertical cavity surface emitting laser transmitter A multimode fiber optical fiber transmission system includes an improved configuration for launching a single mode long wavelength transmission signal into existing multimode optical fiber networks. More specifically, the invention utilizes new single mode long wavelength VCSEL devices to realize a novel transmitter/transceiver for multimode fiber links where offset launch ... 10/06/05 - 20050220403 - Coupling high power optical sources to small diameter fibers The present invention relates to coupling high power optical sources into small diameter optical fibers. In a first embodiment, an optical source is provided to the side of a fiber. The fiber is a single mode fiber, which has a cladding and a core, with a Bragg grating written into ... 10/06/05 - 20050220402 - Display element, image observation system having display element, and image projection system Provided is a small size, high resolution display element with an extremely high utilization efficiency of light emitted by a light source unit and a high contrast. A display element of the present invention has a photonic crystal, a light source unit, and a control unit. The control unit changes ... 09/29/05 - 20050213881 - Device for automatic centering of a laser beam and method for making same This device comprises a volume scatterer (2) to scatter a laser beam and automatically centring it in a light guide (32), for example a monomode or multimode optical fibre. To manufacture the device, a tubular light guide (6) is manufactured and the volume scatterer is made from a material scattering ... 09/22/05 - 20050207698 - Signal transmission system In a signal transmission system (1), a signal source device (2) that is arranged to generate a transmission signal, and a signal sink device (4) that is arranged to process the transmission signal, the two having, provided between them, transmission means that are arranged for the transmission of a signal ... 09/15/05 - 20050201680 - Methods for signal transmission in optical fiber This disclosure concerns methods for transmitting a signal in an optical system. In one example, the method begins when an optical signal is generated. Then, the optical signal is manipulated such that the optical signal defines a substantially annular intensity profile, where power of the optical signal varies in the ... 09/15/05 - 20050201679 - System, method, and computer program product for structured waveguide including modified output regions An apparatus, method, and propagated signal for a transport. The transport including a waveguide having a guiding region and one or more bounding regions for enhancing containment of transmitted radiation within the guiding region, the waveguide including an input region and an output; and a plurality of constituents disposed in ... 09/15/05 - 20050201678 - Luminaire and dynamic road-marking unit A luminaire 1 comprising a light-directing element 3, e.g. a reflector, having a light emission window 5. Said reflector has a shape for directing light originating from an electric light source 7 into an optical fiber system 9 positioned in front of the light emission window. The optical fiber system ... 08/18/05 - 20050180688 - Optical transmission device that employs vertical cavity surface-emitting laser diode as light source The first and second light-emitting regions are provided on the light source. When the first optical fiber having the first core diameter is connected, the light emitted from the first light-emitting region enters the first core. When the second optical fiber having a greater core diameter than the first core ... 08/18/05 - 20050180687 - Light guide optical device There is provided an optical device including a light-transmitting substrate having at least two major surfaces and edges, optical means for coupling light into the substrate by total internal reflection and at least one partially reflecting surface located win the substrate. ... 08/11/05 - 20050175282 - Light-guide lights suitable for use in illuminated displays A light-guide light (1) suitable for use in illuminated displays and signs comprises a housing (3) defining an optical cavity having first and second generally parallel major faces (5, 6), and a light source (11) positioned to direct light into the optical cavity from one side. The first major face ... 08/04/05 - 20050169576 - System and method for packaging a monitor photodiode with a laser in an optical subassembly A system and method of monitoring a laser output power and laser extinction ratio includes an optical subassembly physically placed between a point light source and a optical fiber device. The optical subassembly creates a convergent light beam by reflecting a collimated light beam from the point light source off ... 08/04/05 - 20050169575 - Lightguides In a light delivery system comprising a lightguide coupled to an optical apparatus for delivering substantially uniform light to a predetermined plane within the apparatus, images of non-uniformities caused by imperfections at or near an outlet end of the lightguide are displaced away from the predetermined plane. The image displacement ... 07/14/05 - 20050152643 - Apparatus and methods for launching an optical signal into multimode optical fiber The launch conditions (injected beam size/shape, radial/angular offset from the multimode fiber axis) may be varied to preferentially excite certain transverse modes of multimode optical fiber. To reduce multimode dispersion in the fiber, modes are excited having smaller amplitudes near fiber index defects. Launch conditions may be controlled using a ... 06/30/05 - 20050141808 - Optical off-chip interconnects in multichannel planar waveguide devices The multichannel waveguide device includes an array of waveguides located in a plane. Each waveguide channel has a redirecting element for redirecting a guided wave out of said plane, or vice versa. The redirecting elements are staggered in the direction of the waveguides so as to transform a one-dimensional array ... 06/23/05 - 20050135741 - System and method for extending viewing angle of light emitted from light pipe Described is a system with a light pipe body having a first end and a second end, wherein a light source provides light beams at a first end of the light pipe body, the light beams traveling through the light pipe body. The system further includes a light-emitting surface coupled ... 06/16/05 - 20050129358 - Etendue-squeezing illumination optics In some embodiments, an apparatus for use generating illumination is provided that comprises a reflective base, a first light source positioned proximate the reflective base, and a reimaging reflector positioned partially about the first light source, where a percentage of light emitted from the first light source is reflected from ... 06/16/05 - 20050129357 - Light guide apparatus for enhancing light source utilization efficiency A light guide apparatus for enhancing light source utilization efficiency includes a light guide sheet, a light coupling structure and a light emerging structure. The light coupling structure is arranged on a surface of the light guide sheet and opposite to a light source. The light emerging structure is disposed ... ### FreshPatents.com Support |