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7420147 |
Microchannel plate and method of manufacturing microchannel plate
A method of fabricating a multichannel plate is provided. The method includes providing a N layers, each layer having an array of wells formed therein. The N layers are aligned and stacked. The...
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7272956 |
Method for manufacturing a multimode fiber pump power combiner
A multimode to low-mode optical fiber is constructed by forming a plurality of multimode optical fibers into a fiber bundle. The bundle is then selectively heated and drawn to form a bi-tapered...
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7221837 |
Device and method for reducing glass flow during the manufacture of microchannel plates
The present invention provides a glass packing tube for use in fabricating a microchannel plate. The glass tube has a plurality of flat inner surfaces and is used to form a boule including a...
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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...
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6711918 |
Method of bundling rods so as to form an optical fiber preform
The present invention provides a simple method for fabricating fiber-optic glass preforms having complex refractive index configurations and/or dopant distributions in a radial direction with a...
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6676307 |
Method and system for controlling splice attenuation
A method of controlling an optical fiber splicing machine utilizes a power control mode to control the amount of power delivered to fuse the fibers. In the power control mode, the attenuation is...
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6665473 |
Compact fiber coupler and method of manufacturing the same
A method of manufacturing a compact fiber coupler. On a semiconductor substrate, a V-groove with a radius curvature R is formed. Then, a glue is positioned at both sides of the V-groove, and the...
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6543256 |
Optical fiber coupler making apparatus made from zirconia and method
In an optical fiber coupler making apparatus which makes an optical fiber coupler by thermally fusing a plurality of optical fibers together by use of a heater and then elongating thus thermally...
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6397636 |
Method of applying a precursor to an assembled fiber bundle and fusing the bundle together
Optical fiber bundles having high optical throughput can be produced with relatively high yield if gaps between fibers are eliminated by application of a particle-containing glass precursor...
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6349572 |
Method of compression bundling of optical fiber
The method of making an optical fiber bundle ( 1 ) from individual optical fibers with good optical properties and a wider applicability includes temporarily mechanically holding individual optical...
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6089044 |
Process for making preforms for multicore optical fibers
Process for making preforms for multicore optical fibers. According to this process, several elementary preforms are made, a first machining is performed on them such that a chosen geometric model...
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5938812 |
Method for constructing a coherent imaging bundle
A method for constructing a glass fiber imaging bundle includes drawing a continuous glass fiber from a dispenser. The dispenser is mounted for movement parallel to a drum having first, second, and...
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5935288 |
Method for producing fused fiber bundles
A method for making a fused fiber bundle by providing a bundle of optical fibers, heating the fibers by a flame extending axially along the bundle, and translating the flame axially along the...
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5891210 |
Method of connecting optical fibers
The present invention provides a connecting member for facilitating connecting of optical fibers, and a connecting method in which the loss due to connecting is small. An optical fiber connecting...
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5879425 |
Method for fabrication of microchannel multiplier plates
A rod of etchable core glass material is inserted within a lead glass sleeve and heated in a furnace to drawing temperature and drawn from the furnace into a fiber. The lower end of the glass...
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5809189 |
Controlled dopant diffusion for fiber optic coupler
Uniformity of optical coupling of optical elements such as couplers and splitters is improved by heat treatment which causes dopants in the core of an optical fiber to diffuse into material from...
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5764830 |
1×N and N×N fiber optic couplers
The present invention provides fiber optic couplers for use with at least three optic fibers. The optic fibers arranged in a linear array, that is, the optic fibers are coupled side by side. The...
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5553179 |
Varied insertion loss fiber optic coupling and method of making same
A varied ratio coupler, and a method of forming the same, constructed and arranged, in a unitary structure, to cause optical power in an input optical fiber to couple asymmetrically to at least two...
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5522003 |
Glass preform with deep radial gradient layer and method of manufacturing same
A glass preform structure, preferably of an optical glass, constructed with a central core of a first material, a surrounding tube of a second material, and a deeply placed bonded layer integrally...
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5472471 |
Process for the production of an optical fiber bundle for heat resistance and vacuum resistance by bonding fiber ends with a bonding glass
An optical fiber bundle for heat resistance and vacuum resistance which can be used even at a very high temperature or high vacuum is provided in economical manner. This is accomplished by a...
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5430821 |
Protective structure for an optical fiber coupler and method for protecting the same
The present relates to the protective structure for an optical fiber coupler made from bare fiber parts of a plurality of optical fibers therein, the bare fiber parts being formed by removing the...
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5373578 |
Strippable coating for optical fiber
A coating system for individual glass fibers of a lightwave communications system has improved strippability, particularly in situations where a group of such fibers are arrayed together in what is...
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5372625 |
Method of manufacturing a multiferrule for optical fibers
The method of manufacturing a multiferrule for optical fibers, the method consisting in fiber drawing a preform of silica that includes a plurality of mutually parallel channels, the method being...
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5360464 |
Method for splicing and reinforcing carbon coated optical fibers
The present invention relates to a method for the fusion splicing of carbon coated optical fibers and to a method for providing reinforced performance of the spliced points. Concretely, carbon...
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5340371 |
Optical fiber splicing chuck
A fiber holding chuck comprising a silica glass rod having a fiber groove or fiber chuck for an optical fiber. The optical fiber lies in the fiber groove, and a clamping mechanism holds the optical...
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5268014 |
Method of making robust fiber optic coupler
After a plurality of optical fibers are fused to make a fiber optic coupler, the ends thereof are glued to a substrate to provide the outwardly extending fibers with adequate pull strength. The...
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5216741 |
Method of positioning and fixing optical fibres in a row of optical fibres and a coupling device provided with such a row of fibres
A planar row of optical fibres (9) is obtained by placing the fibres in a mutually parallel position situated contiguously alongside one another. For this purpose, the fibres (9) are placed...
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5173097 |
Process for the manufacture of objects with small complex cross-sections
A need often arises for micro-optical components, such as optical fibres and couplers, and micromechanical components with complex cross-sections which are different at opposite ends or, for...
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5139550 |
Method of making fluoride glass optical coupler
A fused coupler is formed from two twisted optic fibers (2, 3) of fluoride glass by heating them in the slot (18) of a temperature-controlled heater (15) in a shroud (14) containing an oxygen-free...
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5104434 |
Method of making fiber optic couplers
A fiber optic coupler is formed by providing a glass tube having a longitudinal aperture extending therethrough. Protective coating is removed from a region of a first optical fiber intermediate...
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5098459 |
Method of manufacturing optical branching and coupling device
A method of fabricating an optical branching and coupling device includes the steps of preparing at least a pair of coated optical fibers; partly stripping the coating of the optical fibers; and...
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5045100 |
Method of forming a fibre optic terminal assembly
A method of forming a fibre optic terminal assembly (17) comprising the steps of inserting fibres (8) into a duct (3) defined by a housing (1) comprising a sleeve portion (21) having an open end...
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5030265 |
Optical fiber coupler manufacturing device
A optical fiber coupler manufacturing device is disclosed for the manufacture of fused-elongated type optical fiber couplers. The disclosed invention provides an optical fiber coupler manufacturing...
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5011252 |
Fabrication of fibre optic components
Apparatus for fabricating a fused biconical taper fibre optic coupler includes a hollow furnace (12) having a longitudinal slot (50). Clamp units (14, 16) are provided to hold at least two suitably...
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5000538 |
Splicing optical fibres
Method of splicing optical fibres having a glass core and at least one plastics cladding layer comprises: stripping the or each cladding layer from the fibre ends, fusion splicing the bare fibre...
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4997247 |
Fiber optic coupler and method for making same
A fiber optic coupler has at least two optical fibers each having a core with a cladding material disposed thereabout. The fibers, in a limited length coupling region, have the cladding material...
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4952022 |
Fiber optic line illuminator with deformed end fibers and method of making same
A fiber optic illuminating device is formed by assembling a plurality of large diameter fibers into a bundled array. An entrance face of the array is arranged in a circular configuration proximate...
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4932747 |
Fiber bundle homogenizer and method utilizing same
An apparatus and method are provided to homogenize the intensity profile of the beam emitted by an excimer laser. The excimer laser beam is collected by a closely packed ultraviolet-grade optical...
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4747862 |
Method of manufacturing a device for conducting quantized particles
A method is provided of manufacturing a device for conducting quantized particles such as photons and electrons. The method comprises the following steps: providing a layer of magnetizable...
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4682849 |
Optical fiber junction and method of making same
There are disclosed an optical fiber junction device and a method of making the same. The method comprises the steps of providing a central inner pipe or rod of glass, arranging a plurality of...
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4668264 |
Method for making self-aligning optical fiber with accessible guiding region
A method of making an optical fiber, comprising the steps of forming an optical preform having a core and a cladding with different refractive indices, the core being offset from the geometric...
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4612028 |
Polarization-preserving single mode fiber coupler
A polarization-preserving single mode fiber coupler, fabricated by a method which does not require mutually aligning the fiber polarization axes provided the actual misalignment angle is not close...
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4591372 |
Single mode fibre directional coupler manufacture
A method of making a single mode optical fibre directional coupler in which a pair of fibres (30,31) in side-by-side contact is subjected to a succession of drawing operations produced by...
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4589725 |
Optical-fiber directional coupler using boron oxide as interstitial material
An evanescent-field coupler for an optical fiber having a core and a cladding forming a guiding region located sufficiently close to the surface of the fiber along a selected length thereof to...
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4563614 |
Photocathode having fiber optic faceplate containing glass having a low annealing temperature
A photocathode arrangement comprises a body of semiconductor material, such as gallium arsenide which is bonded to a fiber optic face plate. A thin anti-reflection coating of silicon nitride is...
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4461841 |
Acid-soluble glass composition for making flexible fiber optic bundle
An acid-soluble glass used in manufacture of a flexible fiber optic bundle and a process for manufacturing a flexible fiber optic bundle using the glass. The glass has a composition expressed by...
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4460696 |
Acid-soluble glass for making flexible optical fiber bundle
An acid-soluble glass for use in making a flexible optical fiber bundle, which comprises the following composition: 20.0 mol %<SiO 2 <48.0 mol % 25.0 mol %<B 2 O 3 <50.0 mol % ...
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4444463 |
Glass fibers with transverse openings and methods of their production
A glass fiber for use as a light waveguide characterized by a one piece member having at least one transverse opening extending through the fiber to subdivide a section of the fiber into two...
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4439221 |
Method for making optical fiber couplers
An apparatus and method are described for making an optical fiber coupler. A pair of optical fibers are supported in predetermined orientation by positioning means. The latter are spaced apart...
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4426215 |
Method of fabricating a low loss fused biconical taper fiber optic coupler
A known low loss fused biconical taper fiber optic coupler is fabricating by heating and pulling a plurality of fused optical fibers which may be twisted to provide a minimum biconical taper...
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