Matches 1 - 50 out of 125 1 2 3 >


Match Document Document Title
US20130343699 WAVELENGTH DIVISION MULTIPLEXER/DEMULTIPLEXER WITH REDUCED PHYSICAL DIMENSION  
A wavelength division multiplexer/demultiplexer includes an optical block having a plurality of protrusions positioned at a first side, wherein at least one of the protrusions has a first inclined...
US20120243826 LOW POWER COMPACT OPTICAL SWITCH  
The invention relates to optical waveguide switches wherein input light propagating in an input waveguide may be switched between two output waveguides by means of a carrier-induced total internal...
US20150093072 OPTICAL DEVICE WITH HIGH DAMAGE THRESHOLD  
Provided is an optical device having a high damage threshold, the optical device including a coating layer applied to cover a substrate and an optical switch formed of a carbon material and...
US20140072258 Illumination Techniques for Optically Activated Solid State Switch  
Techniques are presented for illuminating an optically activated switch. The switch is illuminated from one side with a high reflector on the opposing side. An anti-reflective coating can also be...
US20140072259 Use of Light Pipes for Illuminations of Optically Activated Solid State Switches  
Techniques are presented for illuminating an optically activated switch. The switch is illuminated from one side with a high reflector on the opposing side. An anti-reflective coating can also be...
US20070041682 Micro mirror unit and its manufacturing process, and optical switch with the micro mirror unit employed therein  
The micro mirror unit includes a substrate, on which are provided a micro mirror reflecting light, a torsion bar supporting the micro mirror, a frame rotatably supporting the torsion bar, and a...
US20120263414 CIRCUIT SWITCHED OPTICAL INTERCONNECTION FABRIC  
A circuit switched optical interconnection fabric includes a first hollow metal waveguide and a second hollow metal waveguide which intersects the first hollow metal waveguide to form an...
US20080101748 MEMS DEVICE LEVER  
A MEMS device and method include a mechanical plate that is raised or lowered by pivoting a lever coupled to the mechanical plate by a flexible beam.
US20120195548 BACKPLANES INCLUDING OPTICAL BYPASS SWITCHES, AND RELATED CIRCUIT BOARDS, COMPUTING SYSTEMS, BYPASS SWITCHES, AND METHODS  
A backplane for a computing system may include a connector configured to provide a detachable mechanical coupling with a circuit board, and an optical signal path configured to carry optical...
US20060088242 Optical switches with uniaxial mirrors  
Described are various optical, opto-electrical and electrical components and subsystems. Micro-Electro-Mechanical Systems (MEMS) actuators that employ electrostatic combs adjust uniaxial,...
US20070014512 Torsional hinged MEMS device  
A MEMS scanning system having a MEMS micro-mirror, the device having at least torsional hinge augmented by an applied elastomer element for the damping of excess ringing, and a method of making...
US20060133724 Piezoelectric optical micro-switch structure  
A piezoelectric optical micro-switch structure includes a base unit, a first cantilevered arm base, a first piezoelectric controller, a second cantilevered arm base, a second piezoelectric...
US20140307998 Optical Path-Changing Device Having Curved Waveguide  
In accordance with the present invention, there is provided an optical path-changing device having one or more curved waveguides, which not only can change an optical path at a large angle close...
US20110150389 WSS WITH HITLESS SWITCHING  
A wavelength selective switch (WSS) with hitless switching. The WSS includes the fiber collimator array, the focusing lens, collimating lens, diffraction grating, focusing lens, and attenuation...
US20060093257 Mirror, mirror unit, and optical switch  
The MEMS mirror, which has a reflective surface whose angle is variably changed, is provided with a portion whose reflectance is lowered than that of a center portion. The portion is provided in...
US20120257853 MxN WAVELENGTH SELECTIVE SWITCH  
A wavelength selective switch (WSS) based on an array of MEMS mirrors tiltable in 1-dimension about only one axis exhibits “hitting” or unwanted port connections during switching. Two WSS's can be...
US20060115209 Optical switch and optical switch unit  
An optical switch has plural incident side optical fibers 4a; plural main emitting side optical fibers 7a respectively arranged so as to be opposed to the respective incident side optical fibers...
US20060171628 Mems element and method of producing the same, and diffraction type mems element  
The present invention provides a MEMS device in which a warp that is deformation of a beam is reduced and which aims to improve the characteristic thereof, a method for manufacturing the MEMS...
US20070147731 Analogue navigation device  
An analogue navigation device comprising a transmitter for generating a light signal, a receiver for receiving the light signal, a light guide having a surface for internally reflecting the light...
US20070031086 Optical multiplexer / de-multiplexer with regions of altered refractive index  
A method of making an optical device to wavelength multiplex/de-multiplex light signals by altering the refractive index of regions within a material is disclosed. A substrate is formed from a...
US20130223793 TOTAL REFLECTION TYPE OPTICAL SWITCH USING POLYMER INSERTION TYPE SILICA OPTICAL WAVEGUIDE AND MANUFACTURING METHOD THEREOF  
The present invention relates to a total reflection type optical switch using polymer insertion type silica optical waveguides and a manufacturing method thereof. The total reflection type optical...
US20090237375 APPARATUS USING WAVEGUIDE, OPTICAL TOUCH PANEL, AND METHOD OF FABRICATING WAVEGUIDE  
An apparatus, an optical touch panel, a waveguide, and a process for producing a double layered waveguide structure are provided. The apparatus includes a waveguide having a plurality of...
US20060215954 Optical routing device comprising hollow waveguides and mems reflective elements  
An optical routing device is described that comprises a semiconductor substrate (52) having at least one optical input (4), a plurality of optical outputs (6,8) and an array of MEMS moveable...
US20140348465 OPTICAL ARCHITECTURES, OPTICAL DISTRIBUTION MATRICES, AND METHODS OF MANUFACTURING OPTICAL STRUCTURES  
Methods and apparatus for optical architectures are disclosed. An optical architecture includes first and second riser cards and first and second components carried by the first and second riser...
US20050129264 System module  
The system module includes first and second film members stacked to oppose each other with a predetermined gap therebetween, an actuator or a part of an actuator is formed in the predetermined...
US20100172612 MEMS DEVICE AND A MEMS DEVICE ARRAY  
A two-axis tiltable linear array of MEMS micromirrors is described. The individual micromirrors of the array are flexibly suspended over a common substrate by using two pairs of serpentine hinges...
US20140254983 SEALING COMPONENT, OPTICAL DEVICE SEALING STRUCTURE, METHOD FOR PRODUCING SEALING COMPONENT, AND METHOD FOR PRODUCING OPTICAL DEVICE SEALING STRUCTURE  
The sealing component 1 of the invention is provided with a metallic housing 19 that comprises a base part 19a, a side wall 19b connected to the base part 19a and an opening portion 19c facing to...
US20070223861 Multiport switch for optical performance monitor  
The present invention provides a switch assembly for use with a single-port OPM to realize a multi-port OPM having improved reliability. In one embodiment, an N×1 optical switch assembly, wherein...
US20130051726 ASYMMETRIC LENSLET ARRAY  
An optical launch arrangement includes a fiber assembly for securing an array of optical fibers. The optical launch arrangement also includes an asymmetric lenslet array having a first surface...
US20070140614 Pneumatic MEMS switch and method of fabricating the same  
A pneumatic micro electro mechanical system switch includes a substrate, a pneumatic actuating unit disposed on the substrate; the pneumatic actuating unit having a plurality of variable air...
US20070177287 Method of manufacturing a mirror and a mirror device  
A method of manufacturing a mirror having high verticality and less surface roughness, comprising forming a mask material to the surface of a silicon substrate, applying anisotropic dry etching...
US20050002602 Photonic switching apparatus for optical communication network  
A photonic switch for an optical communication network includes a matrix of actuator-mirror assemblies and a corresponding matrix of optical ports. A first one of the actuator-mirror assemblies...
US20090252453 OPTICAL SELECTOR SWITCH AND SIGNAL-PROCESSING APPARATUS  
An optical selector switch contains an optical waveguide that includes a first optical waveguide portion having a first light-transmissivity, a second optical waveguide portion having a second...
US20070086697 Optical switch  
To decrease an insertion loss by shortening an optical path length between an input side optical fiber and an output side optical fiber, and to decrease a stroke of a drive component. Input side...
US20150086155 DYNAMIC COMMUNICATION SPLITTER  
Methods and systems for splitting an initiated signal are disclosed. An exemplary system may include a transmitter configured to selectively transmit an initiated signal, and a signal splitter in...
US20050129353 Optical deflector  
An optical deflector is fixed in a box-shaped member and the box-shaped member has a through-hole and a light-transmissive portion for cutting off air inflow formed on a light reflection side of...
US20060153494 Optical switch for routing multiple optical signals  
An apparatus for routing a plurality of optical input signals to a plurality of optical output connections. In one embodiment, a switch includes an optical bench receiving and securing a plurality...
US20050244099 Cantilevered micro-electromechanical switch array  
A flexible micro-electromechanical switch having a cantilevered platform for forming an electrical circuit. A latching mechanism maintains the platform in a biased position after the biasing...
US20080170822 OPTICAL WAVEGUIDE  
An optical waveguide and method of providing that enhances high-speed communication includes a waveguide medium having at least one groove, in which a side wall exposed by the groove is formed...
US20090028502 Segmented prism element and associated methods for manifold fiberoptic switches  
A fiber optic switch utilizing a segmented prism element, comprising a fiber optic switch used in multi-channel optical communications networks and having one or more arrays of micro...
US20050123235 Optical switch allowing multi-channelization in which plural optical path changing elements are arranged with ease and high-accuracy, and facilitating heating of optical path changing elements  
In an optical switch according to the present invention, a galvo plate is caused to abut against a base plate on its mount portions at the both ends, and in addition, abutting sections formed at...
US20130108214 SILICON OPTICAL LINE MULTIPLEXER DEVICES  
Embodiments relate to silicon optical line multiplexers. In an embodiment, an optical line multiplexer includes at least one microprism etched from a silicon substrate. Another embodiment includes...
US20090028503 FLEX SPECTRUM WSS  
Switching optical signals containing a plurality of spectral channels characterized by a predetermined channel spacing is described. A selected beam deflector array may be selected from among a...
US20100040325 Low-cost multimode optical fiber switch  
A low cost, multimode optical fiber switch in which a MEMS mirror is used to serially reflect input light from a plurality of input optical fibers into a single output fiber or from a single...
US20050031255 Method and system for maintaining active alignment in an optical switch using dedicated representative directing elements  
An input optical fiber, an output optical fiber, a pair of directing elements, and a detector form an alignment channel in an optical switch. The optical switch includes one or more alignment...
US20090190882 Optical device, optical communication apparatus, and method of controlling optical device  
An optical device includes an I/O port group and a movable mirror reflecting light input through an input port of the I/O group, aligning the light reflected with an output port of the I/O port...
US20050025412 Optical switch  
The optical switch comprises a platform, and an optical fiber is held in a V groove for securing optical fiber of this platform. A switch element is placed on the platform. The switch element has...
US20060093258 Optical switch  
The optical switch includes: an input port from which beam is input; a dispersing unit that disperses the beam input; a condensing unit that condenses the beam dispersed; a mirror that reflects...
US20070009202 MEMS switching device protection  
A micro-machined switching system for equalizing an electrical property, such as charge due to parasitic capacitance formed at an input and an output of a micro-machined switching device. The...
US20060193592 Variable optical attenuator  
A variable optical attenuator (VOA) device (20; 40; 50; 90) is described that comprises a first optical waveguide (24; 52; 80; 94; 120; 140) and a second optical waveguide (26; 42; 54; 82; 96;...

Matches 1 - 50 out of 125 1 2 3 >