Matches 1 - 50 out of 234 1 2 3 4 5 >


Match Document Document Title
8771530 Method for producing polarizing element  
A method for producing a polarizing element includes: forming particulate materials of a metal halide on a glass substrate; forming a protective film that covers the particulate materials in a...
8693873 Apparatus and method for improved distributed compensation of filtering effects mitigation in an optical network  
The present disclosure describes a reconfigurable optical add-drop multiplexer. The reconfigurable optical add-drop multiplexer includes a first optical equalizer to precompensate a received...
8567215 Method for producing polarizing element  
A method for producing a polarizing element includes the steps of: forming an island-shaped film of a metal halide on a glass substrate; forming needle-shaped particles of the metal halide by...
8549880 Method for producing polarizing element  
A method for producing a polarizing element includes the steps of: forming a coating film of a metal on a glass substrate; forming an island-shaped film composed of a metal halide on the glass...
8482841 Magnetic spin based photonic/plasmonic devices  
A photonic/plasmonic device is disclosed that uses a ferroelectric material and its magnetization state in order to affect the physical properties of electromagnetic waves. The magnetization state...
8373922 Window having a light transmittance-adjusting layer  
A window includes a plurality of transparent substrates spaced apart from each other in a thickness direction; a light transmittance-adjusting layer on a surface of at least one transparent...
8064129 Process for poling a ferroelectric material doped with a metal  
A process for poling a ferroelectric material doped with a metal, which process comprises: (i) defining an electrode pattern on a −z face of a crystal of the ferroelectric material doped with the...
8058869 Fiber laser magnetic field sensor  
The device includes two supports and a primary conductive strip. The primary conductive strip includes a neutral surface, a first side, and a second side. The primary conductive strip is connected...
8054536 Electric field poling of ferroelectric materials  
A method of inducing a periodic variation of nonlinearity value in a sample of ferroelectric material comprises arranging a pair of electrodes on opposite faces of the sample, one electrode...
7978394 Magnetic spin based photonic/plasmonic devices  
A photonic/plasmonic device is disclosed that uses a ferroelectric material and its magnetization state in order to affect the physical properties of electromagnetic waves. The magnetization state...
7965436 Micron-size optical faraday rotator  
In an embodiment, micron-size optical Faraday rotator includes a non-magnetic dielectric waveguide. The waveguide includes a plurality of perforations to form a photonic crystal. A magnetic...
7924493 Faraday rotator mirror and method for manufacturing the same  
A Faraday rotator mirror which is compact, allows high workability of manufacturing and has high reliability and high coupling efficiency is provided. The Faraday rotator mirror comprises a...
7843622 Active optical filter controlled by magnetic field  
An active optical filter transmits or blocks light according to whether or not a magnetic field is applied, and functions as an optical filter transmitting light having a predetermined wavelength...
7551343 Magneto-optical device and manufacturing method thereof  
A magneto-optical device is provided with a non-magnetic substrate, a magneto-optical crystal embedded in recessed portions formed in the surface of the non-magnetic substrate at positions where...
7505192 Optical apparatus having a compound tri-state non-reciprocal rotator  
An optical apparatus and methods for operating on a polarization state of a light beam using a compound tri-state non-reciprocal rotator having two Faraday rotators. A first Faraday rotator...
7206116 Faraday rotator  
A Faraday rotator for a Faraday isolator with an input polarizer, with an output polarizer, with a roller-shaped optical crystal that is arranged therebetween and that is arranged symmetrical to...
7161452 Magnet for a Faraday rotator  
Augmented magic sphere rotator permanent magnetic structures are provided by augmenting a magic sphere augmented with an interior magnet that attains significant decreases in mass, bulk and length...
7158301 Method and device for modifying the polarization state of light  
A magnetic, single-axis crystal is used to modify the polarization state of light, whereby light passes through pre-determined areas of the crystal. To change the polarization state of the light,...
7072111 Reflection-type optical device  
A reflection-type optical device used for an optical communication system, in which an element structure can be simplified and excellent optical characteristics are obtained. The reflection-type...
7050231 Faraday rotator with metal reflection film  
A Faraday rotator of multilayer film type is provided which can achieve excellent optical characteristics with a reduced number of layers. In the Faraday rotator, a metal reflection film, a...
7024073 Reflective variable light attenuator  
A reflection-type variable optical attenuator comprises: a main attenuator unit including a first birefringent crystal plate, a Faraday rotational angle varying unit, and a second birefringent...
7006273 Faraday rotation device and optical device using same  
Optical devices including a Faraday rotation devices improved in wavelength and temperature characteristics and an optical attenuator reduced in wavelength dependence and temperature-dependent...
6927909 Integrated magneto-optical modulator with optical isolator, method of manufacturing the same and optical communication system using the same  
The integrated magneto-optical modulator with optical isolator of the present invention comprises an optical isolator unit, a magneto-optical modulator unit, an impedance adjuster. The optical...
6906843 Ferrule attachment type optical isolator, and manufacturing method thereof  
An optical isolator comprising a combination of an optical isolator main body and a holder holding the optical isolator main body, the optical isolator main body including a Faraday rotator...
6876481 Spatial light modulator  
A spatial light modulator includes: a magnetic layer that is made of a magneto-optic material and includes a plurality of pixels in each of which a magnetization direction is independently set and...
6876480 Farady rotation device and optical device comprising it  
Optical devices including a Faraday rotation devices improved in wavelength and temperature characteristics and an optical attenuator reduced in wavelength dependence and temperature-dependent...
6813076 Faraday rotator, optical isolator, polarizer, and diamond-like carbon thin film  
New material useful in miniature, low-cost Faraday rotators, polarizers (analyzers) and magnetic substances; in Faraday rotators and optical isolators that can handle a plurality of wavelengths;...
6813077 Method for fabricating an integrated optical isolator and a novel wire grid structure  
A method for fabricating an integrated optical isolator includes depositing a wire grid material on a magneto-optical substrate and depositing a resist film on the wire grid material. The method...
6806990 Optical device and method for producing optical device  
There is provided A method for producing an optical device by bonding optical elements each other without using adhesive wherein the optical elements are bonded each other by using optical...
6792192 Optical variable attenuator  
An optical variable attenuator is provided including polarizers for extracting a predetermined polarized wave component from an input optical signal, an array of Faraday rotators formed of a...
6785431 Miniature circulator array devices and methods for making the same  
Miniature optical devices, including circulator array devices, are fabricated using thin film coating technology. A typical optical device according to the present invention includes a spatial...
6762879 Method and system for providing an optical circulator  
In another aspect, the invention provides a closed loop optical circulator including a first crystal for splitting an input light signal into two components, a second crystal for deflecting the...
6747782 Faraday rotator and optical attenuator  
A Faraday rotator and an optical attenuator using the Faraday rotator in which both a fixed magnetic field parallel to and a valuable magnetic field perpendicular to the optical axis are applied...
6700694 Ferro-electric azimuth rotator  
An electrically controllable azimuth optical rotator (10) includes a first quarterwave plate (16) for receiving a first beam of electromagnetic energy (22) having a first arbitrary polarization...
6678092 Reflection type faraday rotator with multiple reflection structure  
A reflection type Faraday rotator includes first to sixth reflection type sub-rotators. Light is made incident on the first to sixth sub-rotators while repeating reflecting thereat. A Faraday...
6673146 Method of manufacturing a magnet-free faraday rotator  
A method of manufacturing is used to manufacture a magnet-free Faraday rotator having a square hysteresis loop, the Faraday rotator being formed of a bismuth-substituted rare earth iron garnet...
6600601 Polarization-independent optical isolator and production method thereof  
A polarization-independent optical isolator includes a first birefringent wedge plate having an inclined plane directed to a light incoming side; a second birefringent wedge plate having an...
6545795 Magneto-optical member and optical isolator using the same  
The present invention provides a magneto-optical member capable of ensuring an excellent light transmittance and an optical isolator using the same. A first one-dimensional magnetic photonic...
6542647 Optical signal transmission system and magneto-optical modulator designed to establish modulation over wide range for use in the same  
An optical signal transmission system equipped with a magneto-optical modulator is provided. The magneto-optical modulator works to modulate an optical beam emitted from a light source and...
6535324 Bi-directional wavelength-selective optical data apparatus  
An optical data apparatus has a first polarization splitter configured to receive an input and split the input into first and second orthogonal polarizations. A second polarization splitter is...
6532316 Bi-directional polarization-independent optical isolator  
A bi-directional polarization independent optical isolator simultaneously transmits two separate signal rays in opposite forward directions and simultaneously suppresses backward transmission of...
6483645 Garnet crystal for Faraday rotator and optical isolator having the same  
An optical isolator comprsing at least two parts of a Faraday rotator obtained from a garnet crystal and an analyzer, which is small in size, can be mounted directly to a semiconductor laser. The...
6480331 Reflection-type polarization-independent optical isolator, optical isolator/amplifier/monitor, and optical system  
A variety of polarization independent optical isolators, including a single stage polarization independent optical isolator, a single stage broadband polarization independent optical isolator, a...
6444076 Optical devices and their method of assembly  
The present invention relates to a method of adhering an optically transmissive substrate to a compatible substrate such as plastic or glass and the resulting optical elements. A pressure...
6445499 Optical circulators  
An optical circulator having a dual fiber collimator and a single fiber collimator is described. The circulator provides a non-reciprocal functionality that directs input signals from a first...
6437885 Semiconductor sensor for optically measuring polarization rotation of optical wavefronts using rare earth iron garnets  
Described are the design of a rare earth iron garnet sensor element, optical methods of interrogating the sensor element, methods of coupling the optical sensor element to a waveguide, and an...
6430323 Polarization maintaining optical isolators  
Optical isolators for use in fiber optic networks utilizing a birefringent wedge set with a Faraday rotator disposed between the birefringent wedges. In a first embodiment a polarization...
6421176 Optical isolator  
An optical isolator having a constitution in which a Faraday rotator is sandwiched by two polarizers, which can be more easily produced at a reduced cost. An optical isolator is constituted so...
6417952 Faraday rotation angle varying device  
There is provided a Faraday rotation angle varying device in which external magnetic fields are applied from at least two directions to a garnet single crystal having a Faraday effect and a...
6407861 Adjustable optical circulator  
Optical circulators can be formed with one or more adjustable components to facilitate the optimization of light coupling into the ports of the circulator. In particular, an optical circulator...

Matches 1 - 50 out of 234 1 2 3 4 5 >