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7568365 Method and apparatus for micromachining bulk transparent materials using localized heating by nonlinearly absorbed laser radiation, and devices fabricated thereby  
Thermal 3-D microstructuring of photonic structures is provided by depositing laser energy by non-linear absorption into a focal volume about each point of a substrate to be micromachined at a rate...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
6739154 Method for manufacturing optical gratings  
A method for manufacturing an optical grating on a length of optical fiber having input and output ends. Guided light is conducted into the input end of the fiber and light reflected back from the...
6729161 Method of selectively reforming an inner part of an inorganic body  
An inorganic body containing rare earth and/or transition metal ions that has been irradiated with a pulsed laser beam in the manner such that a focal point of the pulsed laser beam is adjusted to...
6724963 Method and apparatus for manufacturing partially diffusing optical fibers  
The present invention provides for an apparatus and method to manufacture optical fiber in a way that produces controlled and patterned diffusion of optical radiation along its length. The novelty...
6706154 Method for fabricating integrated optical components using ultraviolet laser techniques  
A process for forming an integrated optical device in a substrate, comprising the steps of: providing a substrate having a base index of refraction; providing a UV light beam; focusing the beam on...
6705125 Reduction of damage initiation density in fused silica optics via UV laser conditioning  
The present invention provides 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...
6603903 Fabrication of photosensitive strong grating couplers  
Systems devices and methods in accordance with the invention impart high strength index of refraction patterns to photosensitive optical devices, such as Bragg gratings written in optical fibers. A...
6601411 Method for annealing an optical waveguide having a bragg grating to accelerate ageing  
The present invention provides a method for annealing an optical waveguide, including an optical fiber or large-diameter waveguide structure, having along some length an induced refractive index...
6600856 Lensed optical fibers and unique micropipettes with subwavelength apertures  
A method for producing subwavelength near-field optical apertures includes directing a laser beam at the top of a tapered optical fiber to melt the fiber tip. The melting forms a lens at the tip,...
6568220 Method of fabricating optical fiber gratings maximizing residual mechanical stress in the optical fibers  
An optical fiber for maximizing residual mechanical stress and an optical fiber grating fabricating method using the optical fiber are provided. The optical fiber includes a core formed of silica,...
6568216 Method for manufacturing a discharge tube  
A method for manufacturing a discharge tube, including heating a quartz tube by irradiation and closing it shut, is presented, in which variation of the heating temperature of the quartz tube can...
6564585 Method for producing a second-order nonlinear glass material  
There is disclosed second-order nonlinear glass material wherein a part having second-order nonlinearity contains Ge, H and OH and has second-order nonlinear optical constant d of 1 pm/V or more,...
6543254 Method for determining laser-induced compaction in fused silica  
The invention relates to fused silica having low compaction under high energy irradiation, particularly adaptable for use in photolithography applications.
6534741 Method of making an optical fiber  
A laser beam is used to ablate the outer cladding of an extended portion of an optical fiber. The laser beam is focused at a tangential point on the outer cladding. The laser can be rotated around...
6519388 Tube-encased fiber grating  
A tube-encased fiber grating includes an optical fiber 10 having at least one Bragg grating 12 impressed therein which is embedded within a glass capillary tube 20 . Light 14 is incident on...
6470712 Method of changing the surface of a glass substrate containing silver, by using a laser beam  
A laser processing method for removing glass by melting, evaporation or ablation from sheet-like glass substrate for forming microscopic concavities and convexities. Diffraction grating and planar...
6463872 Laser photocuring system  
A system and a method for curing a coating applied to an optical fiber or optical fiber ribbon using a laser curing device which emits a plurality of laser beams, having a predetermined wavelength...
6440776 Securing an optical component onto a micro bench  
A method of attaching a component onto a microbench includes laying the component in a groove in the substrate, and locally deforming a portion of the groove, to thereby hold the component in the...
6398778 Optical fiber diffuser  
Optical fiber diffusers for emitting light cylindrically along a length of the fiber diffuser with preselected light intensity distributions along the length of the diffuser. The diffuser portion...
6385370 Device and method for forming anti-symmetric long period optical fiber gratings by microbending  
There is provided a device and method for forming optical fiber anti-symmetric long period gratings by microbending. In the optical fiber grating forming device, a laser system emits a CO 2 laser...
6339033 Silica glass having superior durability against excimer laser beams and method for manufacturing the same  
A silica glass is provided for use in an optical system processing an excimer laser beam. The silica glass has a molecular hydrogen concentration of about 5×10 18 molecules/cm 3 or less and is...
6291797 Laser machining method for glass substrate, diffraction type optical device fabricated by the machining method, and method of manufacturing optical device  
In a laser processing method for accurately forming a convexo-concave structure on the surface of a glass substrate, a periodic optical intensity distribution of a laser beam is obtained by an...
6284685 Light-induced refractive index changes in low temperature glasses  
Devices are made comprising a tin-phosphorous oxyfluoride glass, which has been exposed to light, preferably shorter in wavelength than the absorption edge of the glass, to change the refractive...
6272886 Incremental method of producing multiple UV-induced gratings on a single optical fiber  
The present invention is a process for manufacturing an optical fiber Bragg grating, which in a preferred embodiment includes the steps of: (a) removing at least a portion of a removable coating on...
6246814 Tunable chirped fiber grating device and method for forming chirped fiber grating  
A tunable chirped grating device for an optical fiber, wherein the grating has equal spacings between index perturbations. A piezoelectric element is bonded to the optical fiber for changing the...
6209356 Method of making polarization-maintaining optical fibers  
To manufacture polarization-maintaining optical fibers, a fiber is directly and continuously irradiated with at least one beam of UV radiation during drawing and before application of external...
6192712 Optical waveguide fabrication method  
A method for fabricating an optical waveguide, comprising the following steps. That is, forming an optical waveguide on surface of a substrate via an atmospheric pressure chemical vapor deposition...
6154593 Optical device and formation of optical waveguide using light-induced effect on refractive index  
A glass 1 is irradiated with a focused pulsed laser beam 2 having a peak power density of 10 5 W/cm 2 or more and a repetition rate of 10 KHz or more. The glass 1 irradiated with the laser beam 2...
6128927 Method of making ferrule connectors for optical fibers  
A method for controlling a bore diameter of an optical fiber ferrule is disclosed. The diameter of the bore is controlled by collapsing the ferrule around a rod inserted in an over-sized bore...
6098429 Method of drawing fiber continuously by butt welding optical fiber preforms  
In the method of drawing fiber continuously from preforms for manufacturing an optical fiber, a first preform is displaced along a fiber-drawing axis and is drawn into an optical fiber through a...
6094941 Process for manufacturing optical member for excimer laser  
An excellent quartz glass optical member having stable laser beam resistance, can be obtained by preparing quartz glass in a process having: a first step of subjecting a starting material...
Matches 1 - 50 out of 118 1 2 3 >