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6963682 |
Beam altering fiber lens device and method of manufacture
A multi-lens apparatus for altering the mode field of an optical signal is disclosed. The apparatus includes an optical fiber having a core region defining an optical axis and a GRIN-fiber lens...
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6963678 |
Electro-optical transducer with multi-reflector beam-expanding and collimating input/output device
A system of reflectors is used to form beam-expanding and collimating electro-optic transducer devices, including radiation sources and/or detectors. Preferably, the reflector system is of the...
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6963224 |
Reflexive optical screen, and viewing system incorporating the same
The invention relates to a reflexive optical screen that can show bright images with efficiency, and a viewing system that incorporates the same, and provides a reflexive optical screen 10 ...
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6962448 |
Optical interlink between an optical transducer and optical data port
An optical interlink made from an optical transducer capable of optically exchanging information. Information to and from the optical transducer passes through a light pipe transducer end and an...
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6961496 |
Optical package with cascaded filtering
An optical package comprises an optical element (e.g., a filter), a reflective surface, an input optical fiber and an output optical fiber. A light signal travels through the input fiber and...
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6961489 |
High speed optical system
An optical system for high speed transmission of optical data. The system may condition light signals from a source for projection into an optical medium that is to convey the signals with high...
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6960035 |
Laser apparatus, exposure head, exposure apparatus, and optical fiber connection method
An optical fiber of a bundled fiber light source is an optical fiber whose core diameter is uniform but whose emission end cladding diameter is smaller than an incidence end cladding diameter...
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6958865 |
Microlicensing particles and applications
A microscopic lens, of size approximately 1 micron is used for its optical characteristics.
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6956995 |
Optical communication arrangement
An arrangement for optical communication comprises an optical coupler, an opto-electronic board, and an optical fiber. The optical fiber comprises a first refraction surface, a second refraction...
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6956998 |
Compact optical delay lines
The present invention provides an optical delay, for example, an optical delay line, having at least first and second waveguides, each waveguide having a first end at a first side of the device and...
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6954578 |
Substrate for mounting optical component and method of manufacturing the same
A substrate for mounting an optical component such that a cylindrical lens can be passively aligned in an exact position, and a method of manufacturing the same are provided. The substrate includes...
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6954580 |
Optical receiver with high dynamic range
An optical coupling assembly having an optical receiver that exhibits extended dynamic range, and, more particularly, an optical receiver that is integrated with a Variable Optical Attenuator (VOA)...
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6954565 |
Coupling configuration for optically coupling an optical conductor to an opto-receiver
A coupling configuration for connecting an optical conductor to an opto-receiver has a parabolic mirror or a spherical mirror that reflects light emerging from the optical conductor onto a...
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6952507 |
Multi-mode fiber coupler system
An optical coupler reduces differential mode delay in a fiber by reducing an amount of light incident on the fiber in a region in which the refractive index is not well controlled. This region of...
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6952506 |
Device for adding and dropping optical signals
Disclosed is the device for adding and dropping optical signals using a bulk dielectric optical thin film and four lens elements. To achieve this purpose, the bulk dielectric optical thin film and...
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6952513 |
Method and apparatus for effecting alignment in an optical apparatus
An optical apparatus ( 110 ) includes a base member ( 121 ) with a plurality of grooves ( 181-187, 191-197 ), and includes a respective lens ( 11-17 ) fixedly mounted in each groove. Optical...
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6950575 |
Optical module and a method for manufacturing an optical module
The invention is a method for manufacturing an optical module where on forms a groove in a substrate for positioning a component such as an optical component. The optical component is provided to...
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6950596 |
Variable optical attenuator
A variable optical attenuator comprises an incoming fiber for propagating an incoming light beam, a mirror for reflecting the incoming light beam as a reflected light beam and an outgoing fiber for...
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6950574 |
Angle tuning wavelength sensitive filters using a variable focal length lens
The invention relates to an approach to angle tuning a thin film, interference filter device in which light is delivered to the filter from a fiber lying off-axis relative to the filter, and to a...
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6948865 |
Optical module and method of manufacturing the same
An optical module for inputting and outputting light in a direction of a predetermined axis, and a method of manufacturing the optical module are provided. The optical module includes a stem having...
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6947615 |
Optical lens apparatus and associated method
An apparatus and associated method for controlling the propagation constant of a region of focusing propagation constant in an optical waveguide. The method comprising positioning an electrode of a...
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6945710 |
Optical sub-assembly module for suppressing optical back-reflection and effectively guiding light from light source to optical waveguide
An optical sub-assembly (OSA) module for suppressing optical back-reflection and effectively guiding light from a light source to an optical waveguide is disclosed. The module comprises a light...
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6944371 |
Lens-integrated optical fiber and production method thereof, optical module, and optical transmission apparatus
To provide a lens-integrated optical fiber with low cost and well controlled optical properties, and production method thereof a lens-integrated optical fiber includes an optical fiber and a lens...
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6941047 |
System and method for collimating and redirecting beams in a fiber optic system
A connector to an optical fiber comprises a prism, a ferrule and an aspheric lens. The prism includes a triangular wedge element having a first surface, a second surface and a base. The ferrule...
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6937791 |
Optical coupling apparatus and method
Apparatus and method for focusing light from an extended light source onto a secondary focal point (such as an input end of a light guide element). The apparatus includes a solid conic body formed...
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6932521 |
Optical assembly and method for fabrication thereof
An optical assembly includes a fiber optic pigtail, a sleeve in which the pigtail is housed, a collimating lens, a rod upon which is mounted an optical device and a lens sleeve in which the lens...
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6931177 |
Optical fiber array with lenses
An optical fiber array with lenses connected with a plurality of optical fibers is disclosed, enabling to be manufactured to meet the optical fiber end intervals to the terminal intervals of an...
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6931168 |
Optical switch and optical switch module
An optical switch is arranged to have so simple a structure that the switch may be reduced in size. The optical switch includes an input waveguide for accepting an optical signal inputted from the...
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6931181 |
Opto-mechanical assembly
A novel electro-opto-mechanical assembly is provided. The electro-opto-mechanical assembly comprising: a first wafer, the wafer having a top and bottom surface; at least one optical element...
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6925099 |
Control of VCSEL emission for better high-speed performance
A device includes a VCSEL, an optical fiber, and a lens. The VCSEL generates optical light signals having a spatial emission pattern based around an axis of emission. Light signals emitted from the...
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6922504 |
Optical power device protector and optical transmission system using it, and method for protecting optical power device
A patch cord into which a collimator pair has been intercalated is attached to the output end of a high-level light amplifier for transmitting high-level light through optical fibers from outside...
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6920258 |
Optical switch
An optical switch ( 10 ) in accordance with the present invention includes a first PBS ( 101 ), a second PBS ( 104 ), two reflective elements ( 102, 105 ) and two liquid crystal elements ( 103, 106...
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6917730 |
Arrangements for reducing wavelength sensitivity in prism-coupled SOI-based optical systems
An optical coupling system for use with multiple wavelength optical signals provides improved coupling efficiency between a free-space optical beam and a relatively thin, surface layer of an SOI...
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6915061 |
Variable optical attenuator with MEMS devices
A variable optical attenuator includes a first lens, a MEMS device, a second lens, and a wedge. The first lens is configured to collimate an input light received on a first port and focus an output...
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6912091 |
Method of designing collimator array device and collimator array device manufactured thereby
According to the present invention, there is provided a method of designing a collimator array device which enables reduction of the insertion loss because of the variation of the optical length....
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6909825 |
Method of packaging optical parts for optical communication
The present invention relates to a method of packaging optical parts for optical communication. According to the method of the present invention, there are advantages in that a packaging process...
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6907163 |
Multi-port optical coupling system
The invention provides an optical coupling system having a first collimator assembly having a first optical axis, a second collimator assembly having a second optical axis, an optical device, such...
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6907162 |
Optical module unit and optical module employing the optical module unit
An optical module 31 is provided in which a wavelength division element 32 such as an optical multi-layer film or diffraction grating is united between the sides of lens blocks 3 of optical...
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6904199 |
Optical catheter with double-clad fiber
A double-clad fiber extends along an axis of a catheter. The fiber has a core and an annular cladding surrounding the core. A lens assembly has a first sub-aperture in optical communication with...
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6904197 |
Beam bending apparatus and method of manufacture
An apparatus for altering the mode field of an optical signal is disclosed. The apparatus includes a GRIN-fiber lens and a reflective surface disposed at one end of the GRIN-fiber lens, the...
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6899469 |
Bidirectional optical transmission device
A bidirectional optical transmission device has a housing having a guide portion in which an end of a single optical fiber is to be inserted. A light-receiving device and a light-emitting device...
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6901185 |
Optical module capable of improving coupling efficiency and suppressing fluctuation of coupling loss and its manufacturing method
In an optical module, a package includes an array of first optical elements and at least one first positioning member. A microlens array plate including microlenses is fixed to the package, so that...
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6901186 |
Optical fiber collimator using gradient index rod lens
An optical fiber collimator using a gradient index rod lens for securing a required long opposing distance and easy handling. The collimator includes a single mode fiber and a gradient index rod...
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6900935 |
Optical arrangement and microscope
An optical arrangement, in particular a microscope, having a light source ( 1 ) for illuminating an object, and a glass fiber ( 3 ), arranged between the light source ( 1 ) and the object, for...
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6898347 |
Monitoring power in optical networks
An optical network may include a detector for detecting the power of each of a plurality of channels of a wavelength division multiplexed optical signal in one embodiment of the present invention....
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6895144 |
Structure and method for manufacturing compact optical power monitors of highly reliable performance
A new low-cost, highly reliable and compact optical power monitor is manufactured with simplified structure and improved configurations that require only lateral position adjustment for...
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6895137 |
Multi-channel optical coupler for spinning catheter
A system for identifying vulnerable plaque includes a catheter having a collection fiber and a delivery fiber extending therethrough. The catheter is engaged to a distal face of a housing...
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6891999 |
Method and apparatus for precision tuning an optical filter using a ball-end joint
Methods and apparatus for tuning an optical element include, in one aspect, an optical element having a specified response at a predetermined location and means for redirecting incident light to a...
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6888983 |
Dynamic gain and channel equalizers
A beam refraction apparatus includes an input fiber carrying an input beam. A wavelength dispersive element is coupled to the input fiber. The wavelength dispersive element spreads the input beam...
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6888980 |
Methods and techniques for achieving flattened and broadened pass band spectrum for free-space grating-based dense wavelength division multiplexers/demultiplexers
A device for expanding the wavelength band of an optical component is disclosed. The device has a beam splitter for splitting a wavelength division multiplexed beam into two beams at a desired...
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