Matches 551 - 600 out of 1908 < 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 >
Match Document Document Title
6944383 Cable management panel with sliding drawer and methods  
A cable management panel for telecommunications cables. A chassis holds a slideable drawer. The drawer includes cable terminations or splices. The drawer further includes a radius limiter which...
6944381 Optical fiber and evaluation method thereof  
An optical fiber characterized by a cutoff wavelength of 1310 nm or less, a transmission loss of 0.40 dB/km or less at the wavelength of 1385 nm before hydrogen ageing, a transmission loss of 0.40...
6944380 Optical fiber for transmitting ultraviolet ray, optical fiber probe, and method of manufacturing the optical fiber probe  
It is an object of the present invention to provide an optical fiber for transmitting ultraviolet ray which has an improve transmittance and is prevented from deterioration by ultraviolet ray with...
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...
6937805 Dispersion compensating fiber and dispersion compensating fiber module  
A dispersion compensating fiber, which has a negative dispersion slope with a large absolute value while maintaining the absolute value of the chromatic dispersion, and which has sufficient...
6937788 Adjustable dispersion compensator with few mode fibers and switchable mode converters  
The specification describes dispersion compensators that are adjustable based on selection of mode propagation properties of two or more modes. The fundamental device structure comprises two or...
6934454 Distributed optical amplifying apparatus, optical communication station, optical communication system, and optical fiber cable  
An optical fiber transmission line including first, second and third optical fibers connected together so that light travels through the transmission line from the first optical fiber, then through...
6931185 Optical fiber, slanted optical fiber grating, band rejection optical filter, gain equalizing optical filter for optical amplifier, and optical amplifier module  
Photosensitivity of an inner core which is disposed in a central portion of a core is low. Photosensitivity of an outer core which is disposed close to a cladding is high. In the cladding,...
6931186 Chromatic dispersion compensation module  
The field of the invention is that of chromatic dispersion compensation modules and of methods of designing chromatic dispersion compensation modules. The design method includes an optimization...
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...
6928222 Dispersion managed optical fiber  
The dispersion managed optical fiber ( 1 ) far use in wavelength division multiplex transmission networks includes longitudinally alternating positive and negative chromatic dispersion optical...
6928220 Sol-gel-derived optical fiber preform and method of manufacture  
A method forms an optical fiber preform. The method includes forming a sol-gel-derived rod having a first diameter. Forming the sol-gel-derived rod includes preparing a sol-gel solution including...
6925238 Method and apparatus for on-wafer testing of an individual optical chip  
A method for testing an optical chip, while the optical chip is still on a wafer, utilizing an optical probe, includes the steps of creating an access point on the wafer adjacent the optical chip....
6925237 High figure of merit dispersion compensating fiber for standard single mode fiber and transmission system utilizing same  
A dispersion compensating optical fiber that includes a segmented core having a central core segment, a moat segment, and a ring segment wherein the ring segment is preferably offset from the moat...
6925239 High performance dispersion compensating optical fibers and manufacturing method for the same  
A high performance dispersion compensating optical fiber is provided. In one embodiment, the optical fiber includes a core layer and a cladding layer surrounding the core layer. The core layer...
6924348 Polyamide acid and polyimide, and optical material  
A polyimide excelling in heat resistance, chemical resistance, water repellency, dielectric characteristics, electrical characteristics, and optical characteristics and a polyamide acid useful as...
6922495 Optical fiber cladding with low polarization-dependent coupling  
This invention relates to a method of making optical fiber having low polarization dependence. Light propagating through a cladding thereof has a mode group having a first eigenmode propagating at...
6922514 Optical fiber having low non-linearity for WDM transmission  
An optical transmission fiber has a refractive index profile with an area of increased index of refraction at the inner core of the fiber, an annular region positioned radially outward from the...
6922503 Optical system module  
An optical module comprises a multiplexer for combining a signal and a pump radiation and having an output coupled to an optical fiber and a signal over the optical fiber with the pump lightwave...
6920270 Optical fibre with reduced polarization mode dispersion and method for obtaining an optical fibre with reduced polarization mode dispersion  
A method for determining at least one parameter of a periodic spin function α(z) with period p, to be applied to an optical fiber along its length z during a drawing process. At least one...
6920271 Reduced polarization mode dispersion fiber  
Disclosed is an optical waveguide fiber having a reduced PMD and a method of making the optical waveguide fiber. The optical waveguide fiber in accord with the invention has a particular spin...
6917740 Optical fiber having reduced viscosity mismatch  
An optical fiber is disclosed in which the core region of the optical fiber is doped with Cl and F in order to reduce the viscosity mismatch between the core region and the adjacent cladding...
6917741 Methods for manufacturing microstructured optical fibers with arbitrary core size  
The present invention provides methods for manufacturing microstructured optical fibers having an arbitrary core size and shape. According to one embodiment of the invention, a method of...
6917743 Optical fiber, optical transmission line, and optical communications system  
An optical fiber capable of compensating in the L-band both the chromatic dispersion and dispersion slope of a positive-dispersion optical fiber, an optical transmission line incorporating the...
6915045 Optical waveguide type grating element, production method thereof, multiplexer/demultiplexer module, and optical transmission system  
The present invention relates to an optical waveguide type grating element and others in structure for decreasing absolute values of chromatic dispersion occurring in selective reflection of each...
6915053 Microstructured optical fiber and optical module  
A microstructured optical fiber is structured with a core region and a plurality of cladding regions surrounding the core region. Chromatic dispersion is relatively flat over a broad wavelength...
6915043 Method of re-cladding an optical fiber and product thus obtained  
The invention concerns a method for re-cladding an optical fiber ( 10 ) at least partly stripped over part of its length ( 16 ). The invention is characterised in that it comprises steps which...
6915028 Apparatus for and methods of sensing evanescent events in a fluid field  
An evanescent filed based sensor uses a detector for sensing variations in properties of a fluid flowing in a boundary layer adjacent to the detector. The detector comprises an optical waveguide in...
6911659 Method and apparatus for fabricating and trimming optical fiber bragg grating devices  
A method and system for the controlled irradiation of optical fibers in a process for fabricating optical fiber components such as Bragg grating devices. A beam of ultraviolet light is passed...
6911344 Composite waveguide for solid phase binding assays  
A step-gradient composite waveguide for evanescent sensing in fluorescent binding assays comprises a thick substrate layer having one or more thin film waveguide channels deposited thereon. In one...
6912348 Dispersion-compensating fiber using a higher-order mode  
The invention relates to a dispersion-compensating optical fiber for use in wavelength division multiplex transmission systems, said fiber including successively, from the center toward the...
6907171 Optical fiber composite and optical fiber cable and production method thereof  
An optical fiber composite that can easily have a desired mean transmission property as a whole even after a length of optical fiber is cut off from one end or both ends, a cable comprising the...
6907173 Optical path changing device  
Cores are embedded in a cladding, each core constituting a continuous optical path in which a first core end surface is exposed at a first end surface, and a second core end surface is exposed at a...
6907174 Optical fiber  
An optical fiber that contains a core of polycarbonate and a coating is disclosed. The coating is a polymer that contains structural units conforming to specified formulae. Also disclosed is a...
6907170 Hydrogen diffusion delay barrier for fiber optic cables used in hostile environments  
A fiber optic cable for use in a hostile environment includes a fiber in metal core. The fiber in metal core includes one or more optical fibers that are disposed inwardly from an inner axial tube....
6904213 Step index optical fiber with doped cladding and core, a preform, and a method of fabricating such a fiber  
The invention provides a step index optical fiber which presents cladding having an index lower than the index of silica and a core with an index higher than the index of silica. The fiber is...
6904212 System and method for coloring an optical fiber  
An optical fiber is colored to provide a striped pattern while maintaining a substantially uniform diameter of the fiber. In one embodiment, a coating of a first curable material having a base...
6904218 Super-large-effective-area (SLA) optical fiber and communication system incorporating the same  
A super-large-effective-area (SLA) optical fiber that is suitable for communicating over a wide wavelength range and that, because of its large effective area, suppresses nonlinear effects that...
6904214 Method of providing an optical fiber having a minimum temperature sensitivity at a selected temperature  
An optical fiber for use in making components of an optical communication system has cladding and core materials the constituents of which cause a component made from the fiber to have a rate of...
6901193 Dispersion compensating optical fiber ribbon and optical transmission system using the same  
A dispersion compensating optical fiber ribbon comprising a plurality of coated optical fibers arranged in a parallel planar array, wherein each of the optical fibers exhibits at a wavelength of...
6899470 Systems and methods for fabricating low-loss, high-strength optical fiber transmission lines  
Systems and techniques are described for fabricating a low-loss, high-strength optical transmission line. In one described technique, a first fiber is spliced to a second fiber at a splice point....
6901196 Optical fiber having a lower bending loss  
An optical fiber includes a first core having a relative refractive index difference of larger than 0.36%, and a cladding. The optical fiber has fiber cut-off wavelength λc of more than 1350 nm,...
6901195 Optical fiber and an optical transmission system using the optical fiber  
An optical fiber suitable for the WDM transmission in the wavelength bands of 1.31 μm and 1.55 μm is provided. An optical fiber is characterized by a zero dispersion wavelength of longer than...
6898359 High index-contrast fiber waveguides and applications  
High index-contrast fiber waveguides, materials for forming high index-contrast fiber waveguides, and applications of high index-contrast fiber waveguides are disclosed.
6898364 Buffer layer promotion of decrease of one or more strain gradients in optical fiber winding  
An apparatus in one example comprises a buffer layer located on a face that serves as a primary support for an optical fiber winding along a first general direction. The face is coupled with a body...
6898360 Sectionally photosensitive optical waveguides  
An optical waveguide, such as an optical fiber, including a length of waveguide and at least one discrete longitudinal section having increased photosensitivity with respect to other portions of...
6898361 Dispersion-compensating optical fiber and optical transmission line  
There is disclosed a dispersion-compensating optical fiber exhibiting, at a wavelength of 1500 nm, a chromatic dispersion of −30 ps/nm/km or less, a ratio (S/D) of −0.08/nm to +0.05/nm between...
6898357 Method of fabricating an optical fiber preform using MCVD and nonlinear optical fiber fabricated using the method  
A method of fabricating an optical fiber preform using a modified chemical vapor deposition method and a nonlinear optical fiber fabricated using the method. The method comprises the steps of:...
6895153 Optical fiber for wavelength division multiplex transmission networks  
An optical fiber has three or four core slices including one or more buried slices and a raised central slice. The buried slice or each of the buried slices is very deeply buried. The fiber has a...
6895152 Guided-mode laser apparatus with improved cladding structure and a method of fabricating thereof  
A solid state waveguided structure a core fabricated of a lasing medium, diffusion-bonded to a cladding fabricated of a laser-inactive material. The medium of the core comprises a...
Matches 551 - 600 out of 1908 < 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 >