Quotables
"There is no reason anyone would want a computer in their home."
Ken Olsen, chairman and founder of Digital Equipment Corporation ; 1977
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8146389 | Fiber used in wideband amplified spontaneous emission light source and the method of making the same The present invention relates to a fiber having a core of crystal fiber doped with chromium and a glass cladding. The fiber has a gain bandwidth of more than 300 nm including 1.3 mm to 1.6 mm in optical communication, and can be used as light source, optical amplifi... | 04/03/2012 |
| 7430881 | Method of making an optical fiber attachment device Low-loss large diameter optical waveguide attachment devices (i.e., pigtails) and methods and systems of making the same are provided. The optical waveguide attachment devices may include an optical fiber (or other type waveguide) embedded in a larger diameter carri... | 10/07/2008 |
| 7411151 | Method and device for processing inside of transparent material A shape with a substantially perfect circle is obtained as a processed shape such as a modified shape or a worked shape at a light focus point in a cross-section in a direction parallel to an advance direction of a femtosecond laser light beam. A section in a direct... | 08/12/2008 |
| 7406244 | Method of using an ultrathin optical element The present invention provides an ultra-thin high-precision glass optic and method of manufacturing the same. The optic has an axial thickness that is less than 1,000 microns. A pattern and/or coating is disposed on a surface of the optic to provide attenuation of l... | 07/29/2008 |
| 7369730 | Random refractive index modulated optical fibers An optical fiber containing one or more random modulations capable of reflecting one or more random wavelengths of light passing through the optical fiber is provided. Each modulation is a section of the optical fiber in which the refractive index has been modified ... | 05/06/2008 |
| 7341686 | Device for arresting the propagation of a buckle in a double-walled pipe Device for arresting the propagation of a buckle in a double walled pipe. The device comprising an outer pipe wall having a defined external diameter and placed around an inner pipe wall, defining an annular space between the said outer and inner walls; provi... | 03/11/2008 |
| 7336872 | Localized annealing of UV induced index grating in optical waveguides A method for producing a Bragg grating in an optical waveguide device such as an optical fiber. The optical fiber is exposed to a UV source through a phase mask and this produces a Bragg grating on the fiber. The grating on the fiber is overexposed such that the gra... | 02/26/2008 |
| 7324250 | Image forming apparatus Disclosed is an image forming apparatus capable of keeping an oscillation angle of an oscillating mirror at a constant value based on control of a drive frequency. In this image forming apparatus, a semiconductor laser emits a light beam, and an oscillating mirror r... | 01/29/2008 |
| 7295731 | Microstructuring optical wave guide devices with femtosecond optical pulses The present invention is directed to the creation of optical waveguiding devices from standard optical fibers by the creation of zones of permanently altered refractive index characteristics therein. A high intensity femtosecond laser beam is focused at a predetermi... | 11/13/2007 |
| 7284914 | Structures for small form factor LiNbO3 optical modulator Small form factor package structures are disclosed for LiNbO3 optical modulator by reducing the package dimension for minimize the unused free space inside a modulator package. If a first aspect of the invention, the structure of the small form factor package for Li... | 10/23/2007 |
| 7241039 | LED lighting system with helical fiber filament A lighting system includes a helical light-transmitting fiber and an LED. The helical light-transmitting fiber is doped with a first wavelength converting material and defines a helical axis. The LED has a light-emitting portion for emitting light of a first color. ... | 07/10/2007 |
| 7224866 | Apparatus and method for forming an optical microresonator An apparatus and method forms an optical microresonator and includes spaced high precision ferrules through which an optical fiber passes. A ferrule can be rotatable and movable longitudinally in an axial direction. A clamp engages a ferrule and is operable to secur... | 05/29/2007 |
| 7216512 | Method of making an optical fiber by laser cleaving A field-installable connector includes a connector housing and a ferrule having front and rear opposed faces and at least one fiber bore defined longitudinally therethrough. A laser processed stub optical fiber is disposed within the one fiber bore of the ferrule an... | 05/15/2007 |
| 7200343 | Drive control apparatus and drive control method for optical modulator The present invention aims at providing a drive control apparatus and a drive control method with a simple configuration, which can also reliably compensate for operating point fluctuations of an optical modulator driven in accordance with a drive signal correspondi... | 04/03/2007 |
| 7184625 | Optical waveguide grating coupler incorporating reflective optical elements and anti-reflection elements An optical wavelength grating coupler incorporating one or more distributed Bragg reflectors (DBR) or other reflective elements to enhance the coupling efficiency thereof. The grating coupler has a grating comprising a plurality of scattering elements adapted to sca... | 02/27/2007 |
| 7152434 | Method for producing planar lens and planar lens array A glass substrate is irradiated with a converged laser beam to thereby form a spherical or nearly spherical convex portion on a surface of the glass substrate. More preferably, there may be used a method including the steps of: sticking a glass substrate to a flat m... | 12/26/2006 |
| 7139454 | 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 pro... | 11/21/2006 |
| 7123337 | Liquid-crystal display device and method of fabricating the same A LCD device is provided. On the input side, the collimated-light generator generates collimated light from incident light and then, the first polarizer plate of the first polarized-light controller generates first polarized light from the collimated light. The firs... | 10/17/2006 |
| 7113673 | High-index contrast distributed Bragg reflector A distributed Bragg reflector has a sectioned waveguide with a high index of refraction. The waveguide is disposed within a medium having a relatively low index of refraction. Each of the sections of the waveguide are coupled with a thin waveguide having a high inde... | 09/26/2006 |
| 7095931 | Microstructuring optical wave guide devices with femtosecond optical pulses The present invention is directed to the creation of optical waveguiding devices from standard optical fibers by the creation of zones of permanently altered refractive index characteristics therein. A high intensity femtosecond laser beam is focused at a predetermi... | 08/22/2006 |
| 7085450 | Fabrication of structures in an optical substrate A system and method for fabricating structures in an optical substrate. An optical element produces first and second write beams that intersect at a first intersection location at the optical substrate. The first intersection location includes a fringe pattern produ... | 08/01/2006 |
| 7062941 | Manufacturing method of optical fiber preform A method for manufacturing an optical fiber preform that can produce an optical fiber having desired characteristics over the longer length thereof. A crude preform provided with a core region and a cladding region is prepared (Step S1), and at a plurality of... | 06/20/2006 |
| 7062125 | Prismatic reflection optical waveguide device A prismatic reflection optical waveguide device having an input and an output optical waveguide segments and a reflection interface provided therebetween apt to convey a light beam from one direction to another, wherein the light beam is conveyed by a single reflect... | 06/13/2006 |
| 7046886 | Hydrogen concentration relocation in optical fiber A system and method in accordance with the present invention applies short bursts of a high temperature fluid to a hydrogen-loaded fiber to relocate the hydrogen within the fiber in the proximity of the fiber's core—to achieve a fiber having significantly improved... | 05/16/2006 |
| 7039253 | Image display device, image display method, program, and projection system A data processing apparatus includes a central control section, an image analysis section, a RAM (Random Access Memory), an external memory section and a user operation input section. The central control section is connected to the image analysis section, the RAM an... | 05/02/2006 |
| 7022382 | UV-cure of coatings for an optical fiber with a laser An apparatus and method efficiently focuses laser light to a target fiber to rapidly and evenly cure a coating on the fiber and to increase a draw rate for the fiber. The laser light is expanded and refocused to a strip of light having a diameter that is a multiple ... | 04/04/2006 |
| 7016589 | Thermally-assisted photo-lithographic process using sol-gel derived glass and products made thereby A photosensitive sol-gel film containing an organometallic photosensitizer is deposited on the oxide containing surface layer of a silicon substrate. A pattern of white or ultra violet light incident to the photosensitive sol-gel film results in the unbinding of the... | 03/21/2006 |
| 6963432 | Fabrication of true apodized fiber Bragg grating using a new two-beam interferometer with polarization control The present invention provides a two-beam interference exposure system that can be simply adjusted by rotating only one mirror. By placing a half-wave plate in one of the interference arms and precisely scanning the relative fiber position, the present invention can... | 11/08/2005 |
| 6951120 | Machining of lithium niobate by laser ablation Machining of crystalline lithium niobate is carried out utilizing a laser having a beam with a wavelength near the absorption edge of lithium niobate. The laser beam is provided in pulses of short duration and at a repetition rate selected to ablate the surface of t... | 10/04/2005 |
| 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 |
| 6941052 | Sensitized optical fiber method and article A refractive index grating comprising an optical fiber having at least one radiation-sensitized portion, in a longitudinal section of the optical fiber, containing a periodic variation of refractive index. The refractive index grating has an initial magnitude that c... | 09/06/2005 |
| 6920765 | Combined advanced finishing and UV laser conditioning process for producing damage resistant optics A method for reducing the density of sites on the surface of fused silica optics that are prone to the initiation of laser-induced damage, resulting in optics which have far fewer catastrophic defects, and are better capable of resisting optical deterioration upon e... | 07/26/2005 |
| 6919528 | Welding machine and welding method for energy welding of cylinder members In a welding machine and welding method, for welding cylinder members together about an outside diameter, which prevents the cylinder members from being deformed and corrects the deformation of a portion to be welded, a laser beam, generated by a laser generator, is... | 07/19/2005 |
| 6868208 | Apodization method for a bragg grating The invention provides a method of photoinducing a Bragg grating in an optical fiber (300) or a waveguide, in which a selected zone of the fiber (300) or waveguide is subjected to a step of being exposed with a source beam (120) using a mirror (... | 03/15/2005 |
| 6865304 | Laser written waveguide polarization swapper Optical integrated circuits are disclosed in which a polarization swapping portion is formed in a portion of a waveguide using polarized light from a laser. Also disclosed are methods for fabricating optical integrated circuits and for mitigating polarization depend... | 03/08/2005 |
| 6843076 | Single step laydown method of making dry fiber with complex fluorine doped profile A method of making an optical waveguide preform includes forming a preform including a first portion and a second radial portion, wherein the second portion includes a dopant, and wherein the first portion exhibits a density greater than the second portion. The meth... | 01/18/2005 |
| 6829911 | Making a glass optical fiber with a grating thereon A method for manufacturing optical fiber with enhanced photosensitivity comprising the step of: forming a molten layer of glass and drawing a fiber from the molten layer of glass at a temperature of between about 1900° C. and 1995° C. Draw tension can be adjusted ... | 12/14/2004 |
| 6820445 | Attachment of optical elements The invention features a method for attaching a surface of a first optical element to a surface of a second optical element. The method includes: providing a bonding glass on at least one of the surfaces, wherein the bonding glass is selected to match the refractive... | 11/23/2004 |
| 6796148 | Deep UV laser internally induced densification in silica glasses A method of writing a light guiding structure in a bulk glass substrate including selecting a bulk glass substrate made from a soft silica-based material; and focusing an excimer laser beam at a focus within said substrate while translating the focus relative to the... | 09/28/2004 |
| 6756104 | Surface finishes on laser rods and slabs for laser peening systems A laser gain medium and a method of manufacturing a laser medium, such as a laser rod, or slab for use in high-powered laser peening systems. A laser medium and method reduces stress risers along the surface of the amplifier medium by grit blasting, polishing, etchi... | 06/29/2004 |
