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| Number | Title | Issue Date |
| 8082759 | Producing method for drawn glass member, producing method for spacer, and producing method for image display apparatus A method for producing a drawn glass member includes a step of thermally softening and drawing a first end of a first glass base material, and a step of thermally bonding together a second end of the first glass base material, having the first end thermally softened... | 12/27/2011 |
| 8015846 | Elongation method for producing an optical component of quartz glass and preliminary product suited for performing the method This method for drawing a quartz glass optical component shortens the pulling process and minimizes loss of material. An end face of a quartz glass hollow cylinder forms a tapered end portion to an attachment piece of quartz glass having a bore. The inner bore of th... | 09/13/2011 |
| 7403686 | Fiber optic cable splicing technique The invention is a staggered splice and method for making the same. The staggered splice is used to join two multi-fiber optic cables. Each opposing pair of optic fibers is cleaved such that they all have substantially the same combined length and provide fully oper... | 07/22/2008 |
| 7371020 | Method of aligning optical-fibers, optical-fiber alignment device, and optical-fiber fusion splicer A method of aligning optical-fibers, including: holding a sheath of an optical-fiber ribbon cord using an optical-fiber holder so that distal ends of optical fibers extending from the sheath are located above grooves of a groove stage; arranging an optical-fiber gui... | 05/13/2008 |
| 7357005 | Fiber optic collimator system, fiber optic collimator array, and manufacturing method of the fiber optic collimator system and fiber optic collimator array system A fiber optic collimator system, a fiber optic collimator array, and a fiber optic collimator array system, which can reduce difficulty in an alignment process, minimize a coupling loss, and prevent the optical characteristics from deteriorating. An optical fiber is... | 04/15/2008 |
| 7327917 | Directional light beam generators Directional light beam generators are implemented in waveguides with tilted core structures. The waveguides have cores, cladding and jacket layers. A directional light beam with small divergent beam angle is generated after propagating through the waveguides. Diverg... | 02/05/2008 |
| 7255498 | Low profile system for joining optical fiber waveguides A compact, low profile splicing system for joining optical fibers produces durable, low transmission loss fusion splices. The system employs active optical techniques such as profile alignment or local injection and detection to achieve optimized alignment of the fi... | 08/14/2007 |
| 7248763 | Optical resonators with reduced OH-content This application describes optical resonators substantially free of hydrogen and hydroxyl radicals and related fabrication techniques. ... | 07/24/2007 |
| 7236671 | Fiber bundles and methods of making fiber bundles The present invention relates to fiber bundles and methods for making fiber bundles. According to one embodiment of the invention, a fused fiber bundle has a terminal section ending with an endface, and includes a plurality of optical fibers, each of the optical fib... | 06/26/2007 |
| 7223029 | Optical fiber fusion splicer The optical fiber fusion-splice device comprises a pair of electric discharge electrodes provided opposed to each other along a predetermined axis, a conductor electrode disposed on one side with respect to a plane with the predetermined axis contained therein, and ... | 05/29/2007 |
| 7221448 | Test cell for a noble gas polarizer The invention relates to a sample cell with a glass body comprising a gas inlet and a gas outlet and at least one orifice, a plane glass window is fused into the orifice, the shape and size of the window corresponds to the shape and size of the orifice, the orifice ... | 05/22/2007 |
| 7177505 | MEMS-based actuator devices using electrets Electrets are used in a variety of MEMS-based actuator devices. The electret is able to store electrical charge for a long time with negligible charge leakage. Therefore, when an electret is incorporated into a MEMS device that requires actuation, the device can be ... | 02/13/2007 |
| 7143611 | Rod-In-Tube optical fiber preform assembly and method having reduced movement Embodiments of the invention include an optical fiber preform assembly and a method for making optical fiber using the preform assembly. The assembly includes a preform core rod, at least one overclad tube formed around the preform core rod, a handle attached to one... | 12/05/2006 |
| 7140786 | Method for fusion splicing optical fibers and fusion splicer A method and apparatus capable of fusion splicing optical fibers to have a low loss or a prescribed loss. The method includes (a) detecting fiber positions and core positions of optical fibers to be spliced at an abutting position and a fiber offset that is caused w... | 11/28/2006 |
| 7135266 | Preparation of azo colorants in microreactors and their use in electrophotographic toners and developers, powder coatings, ink jet inks and electronic medias The invention is directed to an electrophotographic toner or developer, powder coating, ink jet ink or an electronic media having an azo colorant prepared by conducting the diazotization of aromatic or hetaromatic amines or the azo coupling reaction or the diazotiza... | 11/14/2006 |
| 7128473 | Optical waveguide coupling The device (V) serves the optical coupling of a light-beam (L) arriving from any optical component with a further-transmitting light-guiding fiber (F). It contains in each case an input-side and output-side coupling body (1,2) with in each case a centric lead... | 10/31/2006 |
| 7130512 | Supercontinuum emitting device A supercontinuum light emitting device comprises an effectively CW light source producing light of wavelength λ1 within a specified bandwidth and a nonlinear fiber optically coupled to the light source. The nonlinear fiber has a plurality of fiber segmen... | 10/31/2006 |
| 7127173 | Method of adjusting power for a wavelength-division multiplexed optical transmission system Adjusting power for a WDM optical transmission system comprising emitter means, an optical transmission line, and receiver means, the method being characterized in that for each wavelength channel, the power emitted for said channel by the emitter means is adjusted ... | 10/24/2006 |
| 7077579 | Low profile splicing stage for optical fiber waveguides A splicing stage for fusion joining two optical fibers comprises an electric arc welding system, a clamping and fiber position adjustment system, and an optional imaging optical system. The stage is preferably incorporated in a compact, low profile, modular fusion s... | 07/18/2006 |
| 7076172 | Waveguide fiber for noise suppression An optical waveguide system exhibiting reduced noise includes a varying dispersion optical waveguide fiber and a high frequency electrical filter. The varying dispersion fiber shifts the frequency spectrum of the noise relative to that of the signal so that the nois... | 07/11/2006 |
| 7070342 | Low profile system for joining optical fiber waveguides A compact, low profile splicing system for joining optical fibers produces durable, low transmission loss fusion splices. The system employs active optical techniques such as profile alignment or local injection and detection to achieve optimized alignment of the fi... | 07/04/2006 |
| 7068870 | Variable width waveguide for mode-matching and method for making A variable width waveguide useful for mode matching between dissimilar optical waveguides and optical fibers and a method for making the same is described. In one embodiment, a tapered waveguide is etched in a substrate, a cladding material is laid over the upper su... | 06/27/2006 |
| 7056031 | Method and device for manufacturing an optical fiber end A method of manufacturing an optical fiber end, provided with a face transparent to light waves, for attaching a ferrule, is described, in which the face is formed by cutting through the optical fiber and mechanical machining and the optical fiber is freed of its ou... | 06/06/2006 |
| 7058267 | Method for manufacturing of an optical fiber with a decoupling interface for scattered light, use of an optical fiber and device for monitoring of the light power guided through an optical fiber Method for manufacturing of an optical fiber with a decoupling interface for scattered light to monitor the power of light guided through the optical fiber, where the optical fiber has a core having a first refractive index and a cladding surrounding the core, the c... | 06/06/2006 |
| 7054011 | Optical fiber pressure and acceleration sensor fabricated on a fiber endface A fiber optic sensor has a hollow tube bonded to the endface of an optical fiber, and a diaphragm bonded to the hollow tube. The fiber endface and diaphragm comprise an etalon cavity. The length of the etalon cavity changes when applied pressure or acceleration flex... | 05/30/2006 |
| 7043127 | Microstructured optical fiber An optical fiber suitable for use in a single fiber or multifiber optical connector or array is structured with a core region and a cladding region surrounding the core region, and exhibits a bending loss of a fundamental mode of the fiber at a wavelength λ is lowe... | 05/09/2006 |
| 7043133 | Silicon-oxycarbide high index contrast, low-loss optical waveguides and integrated thermo-optic devices Silicon-oxycarbide optical waveguides and thermooptic devices include a substrate and a first cladding layer having a first refractive index positioned over a substrate. A first core layer comprising silicon, oxygen, and carbon and having a core refractive index is ... | 05/09/2006 |
| 7037004 | Optical fiber component for spot size transition and method of making the same A large-diameter core optical fiber and a small-diameter core high optical fiber are fusion-spliced, and the spliced portion is heated to expand the core diameter of a core of the high optical fiber and form a spot size transition portion, whereby spot sizes of the ... | 05/02/2006 |
| 7003985 | Method and apparatus for removing polymeric coatings from optical fiber in a non-oxidizing environment In accordance with the invention, the polymeric coating is removed from a coated optical fiber by disposing the fiber within a non-oxidizing environment and applying sufficient heat to volatilize at least a portion of the polymeric coating. The result is that the co... | 02/28/2006 |
| 6993938 | Systems and devices for fusing and fracturing fiber optic cables Systems, devices and methods for compiling and fracturing optical fibers are disclosed. In one aspect, a device is disclosed for coupling and for fracturing optical fibers, comprising a housing for receiving a first end of a first optical fiber and a second end of a... | 02/07/2006 |
| 6963678 | Electro-optical transducer with multi-reflector beam-expanding and collimating input/output device A system of reflectors is used to form beam-expanding and collimating electro-optic transducer devices, including radiation sources and/or detectors. Preferably, the reflector system is of the Cassegrainian or Ritchey-Chretien type. Radiation such as light signals c... | 11/08/2005 |
| 6959131 | Achromatic fiber-optic power splitter and related methods An achromatic power splitter is formed from multiple optical fibers. The achromatic power splitter operates single mode, which permits the power splitter to operate substantially insensitive to changes in wavelength of the input light, to changes in the polarization... | 10/25/2005 |
| 6950235 | Optical isolators and methods of manufacture Optical isolators and methods of manufacturing optical isolators are disclosed. The optical isolators are manufactured by directly bonding the parts of the isolators without the use of adhesive or mechanical devices to hold the individual parts together. ... | 09/27/2005 |
| 6948341 | Cylindrical microlens with an internally reflecting surface and a method of fabrication A fast (high numerical aperture) cylindrical microlens, which includes an internally reflective surface, that functions to deviate the direction of the light that enters the lens from its original propagation direction is employed in optically conditioning laser dio... | 09/27/2005 |
| 6938442 | Method for elongating a cylinder of silica glass According to a prior art method for producing a cylindrical component comprised of silica glass, a cylinder comprised of a softened silica glass mass is drawn in a predetermined drawing direction along a drawing axis by means of a drawing device which acts upon said... | 09/06/2005 |
| 6925840 | Method of making a photonic crystal preform Disclosed is a method of making a photonic crystal optical fiber preform by stacking and bonding individual glass disks. In one embodiment, each glass disk has a pattern of voids formed therethrough, and the pattern for each disk is the same. In another embodiment, ... | 08/09/2005 |
| 6921216 | Method of fusion splicing thermally dissimilar glass fibers Thermally dissimilar glass fibers are fusion spliced by pretreating the cleaved end surface of the high-temperature fiber to provide a smooth surface for making good contact with the low-temperature fiber. The fibers are heated to a temperature that is high enough t... | 07/26/2005 |
| 6918269 | Optical fiber aligning method A method and device for aligning and connecting an optical fiber (or device) with another optical device, are disclosed. The method rotates the optical fiber about three axes that intersect at the end surface of the fiber core so that rotation of the fiber does not ... | 07/19/2005 |
| 6860119 | Optical fiber splicing method An optical fiber splicing method is provided for largely reducing an optical loss in a splice and eliminating a varying outer diameter and bending deformation. This splicing method splices opposing end faces of two optical fibers by fusion, and heats a formed fusion... | 03/01/2005 |
| 6854293 | Method for fusion splicing of optical fibers A method of fusion-splicing optical fibers having different mode field diameters or small mode field diameters is provided, which method is advantageous in that the splicing loss is smaller. The method comprises a fusion splicing process in which fusion splicing is ... | 02/15/2005 |
