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6671432 |
Plastic optical fiber with a lens portion, optical fiber connector, and connecting structures and methods between optical fibers and between optical fiber and light emitting/receiving device
A plastic optical fiber with a lens portion includes a plastic optical fiber with a concave portion formed on its end face, and a lens portion having a function of controlling light rays. The lens...
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6666590 |
High brightness laser diode coupling to multimode optical fibers
A system for coupling light emitted from a plurality of laser diodes to a single optical fiber provides increased pump light brightness to the optical fiber to provide increased power fiber...
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6668115 |
Method, apparatus, and system for compensation of amplifier gain slope and chromatic dispersion utilizing a virtually imaged phased array
The present invention provides an improved gain slope equalizer which provides variable optical attenuation. The gain slope equalizer includes a transmission diffraction grating with a first side...
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6668118 |
Cylindrical lens alignment method
A method for aligning an optical assembly, including the steps of emitting at least one beam from an emitter substantially along a first axis, disposing a cylindrical lens in said at least one beam...
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6668113 |
Compact optical assembly for optoelectronic transceivers
An optical assembly includes a first lens positioned along a first axis and configured to focus light from a light source along the first axis, and a second lens positioned along the first axis and...
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6668114 |
Automatic device for assembling fiber collimators
An automatic device for assembling a fiber collimator. The fiber collimator includes a tubular holder, an optical fiber disposed at an end of the tubular holder, and a GRIN lens disposed at the...
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6665464 |
Optical function module having removable optical function unit
An optical function module comprises a collimator block having a substrate, at least two collimators disposed on the substrate in confronting relation to one another for collimating a light flux...
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6661951 |
Optoelectric alignment apparatus
Optical alignment apparatus includes a first element mounting a first lens and a light source and a second element mounting a second lens and a light receiving structure. The first lens is placed a...
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6661587 |
Confocal optical design for optical coupling
In accordance with an exemplary embodiment of the present invention, an optical apparatus includes a first optical element, a second optical element, and a third optical element disposed between...
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6661944 |
Optical add/drop multiplexer
An optical add/drop multiplexer capable of extracting signals from within a specified waveband in a group of signals containing various wavelengths, and then adding back a new set of signals also...
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6658180 |
Method and apparatus for parallel optical processing for dual port devices
The present invention advantageously provides a method and apparatus for the parallel optical processing of a plurality of optical beams within a 2 port optical processing unit. The optical...
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6655850 |
Hybrid fiber expanded beam connector and methods for using and making the hybrid fiber expanded beam connector
A hybrid fiber expanded beam connector and methods for making and using the hybrid fiber expanded beam connector are described herein. Basically, the hybrid fiber expanded beam connector can be...
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6654517 |
Optical devices engaged to fibers with angle-polished facets
Techniques and devices for using fibers that are angle-polished to reduce the adverse effects of optical reflection. Each fiber is mounted so that the longitudinal direction of the fiber core forms...
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6647177 |
Compact add-drop multiplexer with low wavelength temperature sensitivity
A compact add-drop multiplexer with low wavelength temperature sensitivity. In the present invention, a plurality of spacer rings is disposed between the optical elements of the add-drop...
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6647178 |
Method for producing an optical device and the optical device produced thereby
An optical device in which a waveguide is mounted on an optical substrate in turn supported on a base substrate. The base substrate is provided with an optical fiber positioning groove into which...
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6643068 |
Collimators and collimator arrays employing ellipsoidal solid immersion lenses
An ellipsoidal solid immersion lens (ESIL) for use as a collimator for a waveguide. The ESIL has a refractive index n, an ellipsoidal surface portion defining a geometrical ellipsoid with...
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6643435 |
Integrated optics beam deflectors
An optical device having a multiplicity of optical fibers fixed in respective grooves in a first substrate in a predetermined arrangement in an optical fiber plane. A second substrate is fixed onto...
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6643428 |
Optical fiber collimator and method for fabricating the same
Disclosed is an optical fiber collimator including a single-mode fiber and a graded-index multi-mode fiber. The graded-index multi-mode fiber is spliced with the single-mode fiber and has a...
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6636654 |
Programmable optical switching add/drop multiplexer
A multi-channel optical switching system particularly usable as a programmable optical add/drop multiplexer (POADM) in a multi-wavelength communication system. The switching system uses a thin film...
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6636664 |
Single channel M x N optical fiber switch
A single channel M×N optic switch is provided in accordance with the present invention to steer light radiating from any one fiber in an input bundle into any selected fiber in an output bundle....
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6634810 |
Free-space multi-port wavelength router with broad wavelength passbands
A free space multiport wavelength router for directing channels of a received WDM optic signal to a plurality of output ports. The inventive router includes a lens which receives an incoming WDM...
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6636653 |
Integrated optical micro-electromechanical systems and methods of fabricating and operating the same
An apparatus and method of fabricating and operating a micro-electromechanical systems (MEMS) integrated optical structure is disclosed. Micro-optics is integrated with MEMS actuators to provide a...
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6633700 |
Double lens array for optical cross-connects
A method for aligning optical fibers with an optical component includes making a lens on an end of each optical fiber to form a microlensed fiber and arranging the microlensed fibers such that an...
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6625345 |
Optical switch using fixed and movable mirrors
An optical switch uses a fixed mirror cover to reflect optical signals to and from fiber collimators and movable mirrors that are formed on a common substrate.
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6625350 |
Fiber collimator array
An optical fiber collimator array includes an optical fiber array block and a microlens array substrate. The optical fiber array block includes an angled surface and is configured to receive and...
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6624938 |
Optical circulator
An optical circulator for transmitting light along a first optical path from a first optical port to a second optical port and along a second optical path from the second optical port to a third...
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6625352 |
Optical coupling system
An optical light coupling system is provided which includes an optical waveguide having a slanted end face, a lens for receiving a beam of light from the optical waveguide, wherein an optical axis...
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6625353 |
Optical module, alignment method of optical module, and alignment device of optical module
A light coupling means 4 is provided with a collimator lens 41 and a half mirror 42. After reference light is changed to parallel light by the collimator lens 41, the parallel light is...
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6625351 |
Ink-jet printing of collimating microlenses onto optical fibers
Collimating microlenses are “printed” from optical polymeric materials on the ends of optical fibers using ink-jet technology. In one embodiment the optical fibers are inserted into a collet, a...
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6621954 |
Precision optical filter with a ball-end joint
A portion of an optical device is disclosed. In one aspect of the present invention, the device comprises a cylinder formed about an axis having first and second ends, the second end being formed...
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6621953 |
Optical arrangement for transmitting short laser pulses in optical fibers
The invention relates to an optical arrangement for transmitting short laser pulses in optical fibers ( 2 ), especially for injection into a laser microscope, preferably for use in two-photon laser...
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6614958 |
Optical imaging system
An optical system for imaging an input beam from an input to an output beam at an output. The system includes a lens adapted for receiving the input beam from the input, and a reflecting device...
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6614957 |
Optical configuration for improved lens performance
Described herein is a system and method for extending the performance of a simple lens system with curvature of field to image a set of optical light guide sources extended over a wide field of...
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6611643 |
Illuminating device and microscope
The invention discloses an illuminating device ( 1 ) having a laser ( 3 ) that emits a light beam ( 7 ), which is directed onto a microstructured optical element ( 13 ) that spectrally broadens the...
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6611642 |
Optical coupling arrangement
An optical coupler and method of making an optical filter is disclosed wherein a compound lens having two separate movable lenses are disposed between input/output ports and a filter element, such...
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6603586 |
System and method supporting optical communications
A system supporting optical communications includes a backplane comprising an optical communication medium. The system also includes a first optical driver coupled to the backplane and operable to...
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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,...
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6597836 |
Optical phased array control system
A real-time control system for an optical phased array is disclosed that comprises a computationally efficient algorithm for calculating phase differences between a plurality of array beamlets and...
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6597842 |
Optical interleaver with image transfer element
An optical interleaver. The interleaver is based upon the Mach Zender interferometer. At least one of the optical paths joining opposed couplers of the arrangement includes an optical image...
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6597829 |
1xN optical fiber switch
A 1×N optical switch according to the present invention switches between output fibers without the need for active alignment by utilizing two beam deflecting stages, for example first passing the...
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6597835 |
Lensed optical fiber having high coupling efficiency, process of production and apparatus for production of same, and laser diode module
A lensed optical fiber comprised of an optical fiber having a core and a cladding and a lens portion formed at its front end, a process of production of a lensed optical fiber, an apparatus for its...
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6597837 |
Optical circuit module and method for assembling the same
A miniaturized and easy-assembling optical circuit module includes optical signal emitting means for emitting an optical signal, a sleeve having an end surface, an optical device having a...
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6597825 |
Optical tap for an optical switch
An all-optical switch includes an array of input optical fibers and an array of output optical fibers. A rhomboidal prism beam splitter is positioned in operative relationship with the array of...
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6594430 |
Solid immersion lenses for focusing collimated light in the near-field region
A lens for focusing collimated light. The lens includes a single, optically transmissive material having an aspherical focusing surface and a second surface, such that collimated light incident on...
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6594418 |
Compact optical module with adjustable miter joint for decoupled alignment
Two sub-assemblies in a fiber optic device are fitted to respective end faces of a central section, along a longitudinal axis. The end faces of the central section are non-parallel. Butting the...
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6594415 |
Wavelength division multiplexing/demultiplexing devices employing patterned optical components
Improved wavelength division multiplexing/demultiplexing devices are disclosed. In the case of an improved wavelength division multiplexing device having a diffraction grating for combining a...
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6594420 |
Multi-fiber ribbon form factor-compliant, integrated multi-channel optical amplifier
A multi-fiber ribbon-coupled multi-channel, optical amplifier architecture has a very compact form factor that facilitates one-for-one alignment with and coupling to each optical fiber of a...
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6594419 |
Tapered lensed fiber for focusing and condenser applications
A tapered lensed fiber includes a tapered multimode fiber having a gradient-index core and an optical fiber attached to the tapered multimode fiber. A method for forming a tapered lensed fiber...
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6591033 |
Optical matrix switcher
An optical matrix switcher which does not use mechanical means of optical alignment of input and output fibers in order to accomplish switching is disclosed. The optical matrix switcher of the...
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6591031 |
Optical switch with movable mirror
An optical switch ( 1 ) includes a cover ( 10 ), a base ( 20 ), two input ports ( 30,50 ), two output ports ( 40,60 ), a movable reflecting element ( 70 ), a fixed reflecting element ( 80 ), and a...
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