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7406243 |
Optical fiber array substrate and method for producing the same
An optical fiber array substrate 11 has, in one surface thereof, eight V-grooves 12 for securing eight optical fibers 14 aligned in parallel to each other, and V-shaped side grooves 13 ...
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7377700 |
Ferrule assembly
A process for preparing terminated fibers comprising: (a) positioning at least one fiber in a ferrule such that a portion of the fiber extends beyond the mating face of the ferrule; (b) affixing...
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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...
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7021083 |
Manufacture of high purity glass tubes
A glass tube for use in an optical fiber preform is produced by applying a first soot on an end face of a starting member to form an elongated, porous cylindrical soot core having a first density,...
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7013678 |
Method of fabricating graded-index optical fiber lenses
A GRIN fiber lens is fabricated by the steps of providing a graded index glass preform, thinning the graded index preform to remove a sufficient thickness of the graded glass to establish a desired...
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6978641 |
Method for cutting glass rod and cutting device for use therein
To provide a method and apparatus for parting a glass rod without causing a crack or rupture at a grasped root portion of the glass rod in parting the glass rod for producing a glass preform. The...
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6921452 |
Light redirective display panel and a method of making a light redirective display panel
An optical display panel which provides improved light intensity at a viewing angle by redirecting light emitting from the viewing screen, and a method of making a light redirective display panel,...
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6779363 |
Method for pregobbing an optical fiber preform and system producing optical fiber therefrom
A method for the pregobbing of an optical fiber preform to provide pre-optimized tip taper and system for drawing optical fiber therefrom. The downtime of an optical fiber drawing apparatus can be...
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6735984 |
Making an optical fiber preform including reducing the length of a deposition layer
The method is designed to be implemented in an installation provided with means enabling a preform held between two points by supporting end-pieces to be rotated and to be moved in translation....
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6644069 |
Method of heating and processing an end of an optical fiber preform and apparatus for heating and processing an end of an optical fiber preform
An end heating and processing method of an optical fiber preform. In this method, an optical fiber preform is processed by heating and melting an end of a vitrified optical fiber preform including...
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6553789 |
Quartz glass plates with high refractive index homogeneity
A method produces homogenous quartz glass plates without streaks. The method is applied to starting quartz glass body which has an X—X geometrical axis and good refractive index homogeneity in...
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6532776 |
Method and apparatus for fusing an optical fiber preform
A method for fusing an optical fiber preform comprises fusing the preform while blowing an oxidative gas against the preform to be fused from upper and lower directions of a fusing burner unit. An...
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6427491 |
Method for making fibers having cores with non-circular cross-sections
An optical fiber with a non-circular cross-section is realized by creating a void having the desired cross-section in a housing and filling the void with an optical material. This structure is then...
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6341503 |
Method and apparatus for making fiber optic couplers
The present invention relates to a method for terminating the end of an optical fiber. In particular the present invention relates to a method for forming a low reflectance termination on an end of...
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6322888 |
Method for producing sized glass fibers and resulting products
A process for producing sized glass yarns, which entails: a) drawing streams of molten glass from orifices located at a bottom of one or more dies, in a form of one or more fans of continuous...
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6305195 |
Process for fabricating silica article involving joining of discrete bodies
An improved process for fabricating a refractory dielectric article, in particular silica optical fiber, is provided. The fabrication process involves joining of two elongated bodies--typically...
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6249631 |
Method and apparatus for cutting solid core fiber optic cable
A method for preparing a fiber optic cable for a splice wherein a radial compressive strain is applied to the fiber optic cable and the fiber optic cable is cut adjacent to the applied radial...
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6170297 |
Jig for manufacturing long period grating filter and apparatus and method for manufacturing long period grating filter using the same
An apparatus and method used in manufacturing a long period grating filter are provided. The apparatus used in manufacturing a long period grating filter includes an upper body including a...
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6131414 |
Method for making a preform for optical fibers by drawing a mother ingot
A method for drawing a mother ingot into a preform for optical fibers comprises providing a mother ingot, subjecting the mother ingot to measurement of a distribution of refractive index along...
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6073465 |
Method including making grooves in a fiber preform which is drawn to create fiber with improved mode coupling due to a resultant wandering of the core
A method of making a fiber having a single mode absorptive core whose position relative to the cross sectional plane of the inner multimode cladding varies along the length of the fiber. A groove...
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5979189 |
Method of separating and glazing an optical fiber preform
The method of manufacturing a preform having a supporting core by effecting successive passes with a plasma torch while material is being supplied, and by effecting at least one glazing step with...
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5970750 |
Method of making a fiber preform including a surface treatment to consolidate condensed material on the preform
The invention relates to a method of performing surface treatment on a preform manufactured in an installation for manufacturing or building up preforms having supporting cores, the installation...
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5839635 |
Curved-angle cleaving of optical fibers
A method and apparatus for curved-angle cleaving of optical fibers. The method requires the introduction of a flaw in an optical fiber to be cleaved, and the application of predetermined stress and...
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5837334 |
Large sized quartz glass tube, large scale quartz glass preform, process for manufacturing the same and quartz glass optical fiber
A quartz glass tube, produced by mechanically processing a natural/synthetic quartz glass mother material, having 50-300 mmφ in outer diameter, from. 1 to 7 in outer to inner diameter ratio, 10 mm...
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5674306 |
Method and apparatus for drawing glass preform for optical fiber
A glass preform for an optical fiber is effectively drawn by connecting dummy rods to both ends of the glass preform and connecting the dummy rods to fitting members.
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5649040 |
Splicing aged optical fibers
For improving mechanical characteristics of an aged optical glass fiber, the segment is retained between clamps, e.g. in a conventional splicing machine. Then the segment is heated to a high...
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5551968 |
Method of forming a microlens at the tip of a fiber by jerking apart two fused fibers
A low-cost, high performance 1×N fiber optic coupler where N>16 is presented. The coupler has a GRIN lens having an first optic fiber aligned with the optical axis of the lens at one end of the...
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5411566 |
Optical fiber spatial mode converter using periodic core deformation
Efficient conversion between the LP 01 and the LP 11 modes in a two-mode optical fiber is realized in a fiber grating fabricated by forming a series of longitudinally-spaced cuts in the fiber...
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5382276 |
Method and apparatuses for cutting a ribbon of an optical fibers obliquely
A method of cutting an optical fiber ribbon obliquely, the ribbon being constituted by a plurality of optical fibers that are all parallel to a "longitudinal" axis of the ribbon, the fibers all...
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5312468 |
Optical fiber cleavage method
The invention relates to optical fiber cleavage method making it possible to obtain an oblique optical fiber end face, consisting in holding a segment of optical fiber between two separated...
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5176728 |
Method of making a mirror having extremely small aperture holes at other than normal angles to the surfaces of the mirror
A process for manufacturing mirrors comprising notching the backside of a plate and etching it from one or both sides. The front side is plated and polished to a flat mirror-like-like surface. The...
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4893892 |
Method and apparatus for connecting multiple fiber optic conductors
There is disclosed a method and apparatus for fixing a predetermined spacial orientation of exposed end portions of plurality of optical fibers included within a conductor unit; extending such...
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4886537 |
Method of making wide angle and graded acuity intensifier tubes
New fiber optic elements and a new microchannel plate forming method for ximity focussed image intensifier tubes and a method for making them are provided. Higher resolution is provided at the...
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4849000 |
Method of making fiber optic plates for wide angle and graded acuity intensifier tubes
New fiber optic elements and a new microchannel plate for proximity focus image intensifier tubes and a method for making them are provided. Higher resolution is provided at the center of the field...
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4832722 |
Method of manufacturing flexible optical fiber bundles
Flexible coherent optical glass fiber bundles are manufactured from rigid coherent optical glass fiber bundles by selecting the fiber bonding agent to be an acid-leachable glass having a silica...
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4820321 |
Method and apparatus for fabricating an expanded beam cylindrically terminated optical fiber taper
An apparatus and method are disclosed for fabricating an expanded beam cylindrical terminated optical fiber taper from a reduced diameter preform rod. The present invention comprises uniformly...
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4662710 |
Method and apparatus for breaking an optical fiber
A method of breaking an optical fiber comprises the steps of surrounding the fiber with elastomeric material in the region of the desired break location and then compressing the elastomeric...
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4622055 |
Method for producing a bare fiber taper at a metallized fiber
A method for producing a bare fiber taper at a metallized fiber is disclosed and comprises the steps of softening and drawing in an arc of the fiber metallized by sputtering or vapor deposition....
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4589897 |
Method for the manufacturing of a fiber with a tapered end having a refractive lens
A method for manufacturing a fiber taper with a refractive lens, said method comprising the steps of placing a fiber in an axial tension of a given amount; locally heating a portion of the fiber...
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4432807 |
Method of exfoliating coating of coated optical fiber
A method of exfoliating the coating of a coated optical fiber is described. A crack in the coating layer of the optical fiber is produced by bending means, cleaving the coating into a plurality of...
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4274854 |
Polarization-preserving optical fiber
A method of making a polarization-preserving optical fiber is disclosed having a first step of fabricating a substrate tube to have a wall of nonuniform thickness, the nonuniformity in thickness...
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4243398 |
Method of producing dielectric diffraction gratings or dielectric multilayer interference filters
There is disclosed a method of producing dielectric diffraction gratings. This method comprises (a) preparing a preform by forming one upon another layers of two or more glasses having different...
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4216004 |
Method of breaking optical fibers
A method of breaking optical fibers, a fiber being scored over the entire circumference in a plane perpendicular to the fiber axis. By subsequently applying a predetermined axial tensile force to...
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4195980 |
Method of manufacturing a continuous optical preform
A method of manufacturing a continuous preform for an optical fibre of the type produced from glass or silica tubes or rods, the method including arranging the tubes or rods end to end in a...
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4146374 |
Method of breaking glass fibers
A method of breaking glass fibers in which the fiber is locally heated by means of a heating wire and kinked through a predetermined angle. As a result, an impression of the heating wire is formed...
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4127398 |
Multiple-channel tubular devices
1. A process for forming a multiple-channel micro-tubular device comprising the following steps: Assembling a plurality of individual tubes of heat deformable material into a closely packed...
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4039309 |
Method and apparatus for breaking optical fibers
The present invention relates to a method and apparatus for breaking optical fibers. The present method comprises the steps of: clamping an optical fiber at two spaced-apart peripheral areas on...
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3990875 |
Method for making fused fiber energy-conducting devices
Method of making fused bundles of glass fibers permanently vacuum tight with the application of a high compressive force upon the bundles by heating the bundles while under the compressive force...
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3819442 |
ALIGNMENT TECHNIQUES FOR FIBER BUNDLES
An alignment technique for fiber bundles using a multiple square orifice which involves threading plastic or glass fibers from multiple spools through a convergent multiple orifice made of...
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3486868 |
METHOD FOR PRODUCING MINIATURIZED PERFORATED PATTERNS
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