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| Number | Title | Issue Date |
| 7369723 | High speed piezoelectric optical system with tunable focal length A varifocal optical system includes a substantially circular membrane deposited on a substrate, and a ring-shaped PZT thin film deposited on the outer portion of the circular membrane. The membrane may be a MEMS-micromachined membrane, made of thermal oxide, polysil... | 05/06/2008 |
| 7366380 | PLC for connecting optical fibers to optical or optoelectronic devices Planar lightwave circuit (PLC) connects optical fibers to the top of an optical or optoelectronic device or optical or optoelectronic integrated circuit. Light propagating through optical fibers is directed to optical waveguides disposed on optical devices. The opti... | 04/29/2008 |
| 7364371 | Optical module An optical module has plural optical units each having an optical communication device that performs conversion between an electrical signal and an optical signal, and a socket that the optical communication device is fitted in. The optical units are aligned and det... | 04/29/2008 |
| 7364336 | Plane light source device and display device provided with the same The present invention aims to provide a plane light source device having enhanced efficiency of use of light and high brightness uniformity. A plane light source device of the present invention is provided with a housing having an opening section, a scatterin... | 04/29/2008 |
| 7366368 | Optical add/drop interconnect bus for multiprocessor architecture An optical bus interconnects two or more processors in a multiprocessor system. One or more electrical-to-optical (“E-O”) transmitters are optically coupled to the optical bus using optical couplers. The E-O transmitters receive electrical signals from the proce... | 04/29/2008 |
| 7366379 | Optical component for free-space optical propagation between waveguides An optical component may comprise a horizontal member with two side walls and a substantially transparent end wall protruding from the horizontal member. The end wall, side walls and horizontal member may partially enclose an interior volume, and optical functionali... | 04/29/2008 |
| 7366363 | Low-voltage flexible optic polymer modulators An electro-optic modulator is formed from all flexible materials, to form a flexible electro-optic modulator. The formation process uses a photoresist which selectively adheres to one material more than it adheres to another material. This allows selective liftoff, ... | 04/29/2008 |
| 7364366 | Circuit board assembly having a guide insert A guide insert having a guide member having an arcuate portion for bending an optical fiber of a backplane, and a circuit board assembly comprising the backplane and a daughterboard wherein the daughterboard is operatively connected to the backplane via the guide in... | 04/29/2008 |
| 7366371 | Compact optical multiplexer and demultiplexer Spatially-efficient optical multiplexers and optical demultiplexers include elements interrelating along orthogonal axes. A transmission block of extreme thinness has highly reflective coatings on opposed parallel surfaces. Lasers of multiplexer are on one side of t... | 04/29/2008 |
| 7365369 | Nitride semiconductor device A nitride semiconductor device used chiefly as an LD and an LED element. In order to improve the output and to decrease Vf, the device is given either a three-layer structure in which a nitride semiconductor layer doped with n-type impurities serving as an n-type co... | 04/29/2008 |
| 7366374 | Multilayer optic device and an imaging system and method using same An optic device, system and method for imaging are described. The optic device includes a first solid phase layer having a first index of refraction with a first photon transmission property and a second solid phase layer having a second index of refraction with a s... | 04/29/2008 |
| 7366376 | System and method for optical coherence imaging Apparatus and method are provided for transmitting at least one electro-magnetic radiation is provided. In particular, at least one optical fiber having at least one end extending along a first axis may be provided. Further, a light transmissive optical arrangement ... | 04/29/2008 |
| 7365902 | Optical amplifier and optical communication system An optical amplifier includes a plurality of pump light sources, an intensity modulator that modulates intensity of a pump light to be output from any one of the pump light sources, at a predetermined frequency; a photoelectric converter that converts a part of the ... | 04/29/2008 |
| 7366421 | Single-to-multi mode converter and optical code division multiple access system using the same A single-to-multi mode converter and an optical code division multiple access system using the same. The mode converter includes first, second, and third optical waveguides. The first optical waveguide is formed of a single-mode optical fiber and outputs a single-mo... | 04/29/2008 |
| 7362938 | Optical fiber with quantum dots Holey optical fibers (e.g. photonic fibers, random-hole fibers) are fabricated with quantum dots disposed in the holes. The quantum dots can provide light amplification and sensing functions, for example. When used for sensing, the dots will experience altered optic... | 04/22/2008 |
| 7362935 | Dual wavelength semiconductor laser source for optical pickup The dual wavelength semiconductor laser source for an optical pickup includes: two semiconductor laser elements outputting laser beams having oscillating wavelengths different from each other; and a multiplexing waveguide, formed inside of a photonic crystal having ... | 04/22/2008 |
| 7362497 | Optical fibre This invention relates to optical fibres, fibre lasers, fibre laser arrays and sensor systems comprising fibre laser arrays. Conventional fibre laser sensor arrangements comprise a plurality of fibre lasers arranged in series along a length of optical fibre. A pump ... | 04/22/2008 |
| 7362930 | Reduction of MEMS mirror edge diffraction in a wavelength selective switch using servo-based rotation about multiple non-orthogonal axes Effects of diffraction of a spectral beam from an edge of the micromirrors are reduced in order to optimize the passband in a wavelength selective switch. The effects of diffraction on the pass band may be reduced by using rotation of the micromirror about both the ... | 04/22/2008 |
| 7359583 | Fiber optic pair with pigtail geometry Optical devices are disclosed, one example of which includes first and second polarization maintaining (“PM”) fibers. The first and second PM fibers in this example are disposed beside each other to form a grouping that includes a secondary axis defined by the f... | 04/15/2008 |
| 7359595 | Adaptive transmitter arrangement for optical fiber communications and related method An arrangement for optical fibre communications, for used, e.g., in millimetre (MM) fibre transmission systems includes: a source (1) of optical radiation defining an offset launch path of optical radiation (R) into an optic... | 04/15/2008 |
| 7359590 | Semiconductor device integrated with optoelectronic components A semiconductor device integrated with optoelectronic components includes a carrier board with at least two openings; a first and a second optoelectronic component disposed in the openings respectively, each of them having an active surface and an opposite non-activ... | 04/15/2008 |
| 7359589 | Coupling electromagnetic wave through microcircuit A device includes a waveguide layer formed on a substrate. An ultra-small resonant structure emits electromagnetic radiation (EMR) in the waveguide layer. One or more circuits are formed on the waveguide layer and each operatively connected thereto to receive the EM... | 04/15/2008 |
| 7359608 | Constructing well structures for hybrid optical waveguides A well may be formed for access to an optical waveguide core by a process that results in an L-shaped well. The L-shaped well may then be filled with a polymer. By controlling the size of each portion of well, the occurrence of bubbles within the well and cuts to th... | 04/15/2008 |
| 7359598 | Surface plasmon optic devices and radiating surface plasmon sources for photolithography Disclosed is a surface plasmon optic device that has a periodic array of apertures in a dielectric substrate and a metal film formed on the dielectric substrate and emits light from metal-air interface. The surface plasmon optic device includes a surface plasmon gen... | 04/15/2008 |
| 7356225 | Fiber optic probe tip The invention described here is an improved fiber optic probe. The tip of the probe is made from a transparent fill material that is connected to the end of a conventional optical fiber. The optical fiber is tapered, the fill material is connected thereto, and typic... | 04/08/2008 |
| 7356224 | Method and apparatus for detecting multiple optical wave lengths Optical gratings that perform a number of functions at various wavelengths are formed by various methods that preserve spectral information within a wavelength band, the functions including: coupling radiation from one waveguide to another, controllable gratings tha... | 04/08/2008 |
| 7356240 | Processing method of polymer crystal, processing system of polymer crystal, and observation system of polymer crystal The ultraviolet short-pulse laser light emitted from the ultraviolet short-pulse laser light source 1 is focused on and caused to irradiate a macromolecular crystal 8 contained in a sample container 6 via a shutter 2, intensity adjusting ... | 04/08/2008 |
| 7356206 | Integrated optics polarization beam splitter using form birefringence A method for separating the orthogonal polarization components of an incident optical signal into two spatially separated output ports is described. The method comprises a Mach-Zehnder interferometer where one of the two branches has a section of waveguide that exhi... | 04/08/2008 |
| 7356222 | Wavelength selective optical device and method of tuning a wavelength characteristic of the same The invention provides a wavelength selective optical device in which a light emitted from an end surface of a first optical fiber that propagates optical signals with a plurality of multiplexed wavelengths is incident on a first end surface of a first graded index ... | 04/08/2008 |
| 7355657 | Laser illuminated projection displays A projection video display includes a light source including an OPS-laser delivering laser radiation in multiple transverse modes (a multiple-transverse-mode OPS-laser). The display includes a spatial light modulator for spatially modulating the radiation from the m... | 04/08/2008 |
| 7356223 | Optical filter element and wavelength division multiplexing optical coupler An optical filter element having high isolation and reduction in reflection loss for input light beams. The optical filter element is used with a transparent substrate having a surface that includes a first area and a second area. The optical filter element has a ta... | 04/08/2008 |
| 7350972 | Distributed temperature sensor using optical reflectometry A temperature sensing method in which pulses of optical radiation are launched by a laser diode (11) into an optical fibre (14) and optical radiation backscattered from the fibre is detected, the method comprising passing the backscattered radiation th... | 04/01/2008 |
| 7352933 | Dielectric microcavity sensors The use of bulge-like microcavities in microcavity sensors provides advantages in alignment and reproducibility in manufacturing. Arrays of bulge-like microcavities may be used with multiple waveguides. In addition, the bulge-like microcavity may be formed with at l... | 04/01/2008 |
| 7352930 | Shared light pipe for a message indicator and light sensor A shared light pipe is set forth for transmitting light generated by a message waiting LED in a mobile communication device, in one direction, and transmitting ambient or surrounding light, in an opposite direction, to a light sensor for controlling a display backli... | 04/01/2008 |
| 7352384 | Method for printing a near field photoinduced stable structure, and optical fibre tip for implementing same The invention generally concerns a method involving emitting polarization light waves through an aperture with a dimension of maximum size lower than or equal to 100 nm, wherein the aperture is circumferentially bound by an opaque area that prevents the light waves ... | 04/01/2008 |
| 7352925 | Photoelectronic device and production method of the same A photoelectronic device capable of maintaining the degree of freedom in designing for dealing with design changes and responding to producing a variety of kinds in a small amount, and the production method are provided: wherein a light emitting element for emitting... | 04/01/2008 |
| 7352940 | Waveguide design incorporating reflective optics This invention relates to devices for coupling light between an optical waveguide and an optical element in a manner that is substantially independent of temperature, using reflective optics. Certain embodiments of the invention concern improved designs for the tran... | 04/01/2008 |
| 7352927 | Optical add-drop multiplexer architecture with reduced effect of mirror edge diffraction Effects of diffraction of a spectral beam from an edge of the micromirrors are reduced in order to optimize the passband in a wavelength selective switch. The effects of diffraction on the pass band may be reduced by appropriate modification of the edges of the micr... | 04/01/2008 |
| 7347631 | Optical power monitor An optical power monitor having a reduced number of component parts, easy to assemble, capable of facilitating positioning for achieving improved optical coupling, and having a reduced size and a reduced manufacturing cost. A pigtail fiber in which the center axis o... | 03/25/2008 |
| 7348738 | OLED area illumination source The present invention relates to an area illumination light source comprising a plurality of individual OLED panels. The individual OLED panels are configured in a physically modular fashion. Each OLED panel comprising a plurality of OLED devices. Each OLED panel co... | 03/25/2008 |
