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8891167 Polarization independent optical isolator  
Provided is a polarization independent optical isolator including: wedge-shaped birefringent crystal plates each made of a LiNbO3 single crystal; a Faraday rotator 3 made of a magnetic garnet...
8879138 Surface plasmon polariton modulator  
A surface plasmon polariton modulator capable of locally varying a physical property of a dielectric material to control a surface plasmon polariton. The surface plasmon polariton modulator...
8854715 Magnetic control of surface states  
A magnetic field may be applied to a plasmon path to affect plasmon propagation.
8843000 Optical fiber transmission system  
An optical fiber transmission system includes a light emitting source, a plurality of light receiving terminals, and a plurality of optical fibers connecting the light emitting source to the light...
8817370 Magnetic circuit for faraday rotator and method of manufacturing magnetic circuit for faraday rotator  
A magnetic circuit for a Faraday rotator capable of suppressing generation of irreversible demagnetization is provided. This magnetic circuit (100, 200, 300, 400, 500, 600, 700, 800, 900) for a...
8749871 On-chip miniature optical isolator  
An optical structure for generating nonreciprocal loss is provided that includes a first substrate layer and a magneto-optical layer positioned on the first substrate layer. The magneto-optical...
8478082 Sagnac interferometric switch utilizing faraday rotation  
A fiber-based, magneto-optic (MO) optical modulator or switch based on Sagnac interferometry is provided. The system uses a magneto-optic Faraday rotator (MOFR) to produce optical modulation with...
8379287 Surface plasmon polariton modulator  
A surface plasmon polariton modulator capable of locally varying a physical property of a dielectric material to control a surface plasmon polariton. The surface plasmon polariton modulator...
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...
8294782 Electromagnetic field high speed imaging apparatus  
An electromagnetic field high speed imaging apparatus, using an image sensing element having a filter function for each pixel, converts a local polarization state in detection light containing a...
8159216 Method and device for eddy current imaging for the detection and the characterisation of defects hidden in complex structures  
This eddy current imaging method includes the steps of: positioning (72), in the vicinity of a large inspection region, elements for the measurement of a surface magnetic field,generating (74, 92)...
8120834 Optical property altering apparatus  
An optical property altering apparatus includes an optical property altering element formed by inductors that are smaller than a wavelength of visible light, mutually connected by connecting...
8102588 Magneto-opto photonic crystal multiplayer structure having enhanced Faraday rotation with visible light  
An apparatus, method, system, and computer-program product for producing magneto-optic materials in the blue and green wavelengths. The apparatus includes a substrate generally transparent to a...
8094969 Discrete fractional fourier numerical environments for computer modeling of image propagation through a physical medium in restoration and other applications  
A system for numerically modeling evolution of an image propagating through a medium includes image using image data and a propagation medium model. The propagation medium model aligns a...
8070919 Method for preparing one dimensional spin photonic crystal device and one dimensional spin photonic crystal device prepared by the same  
Provided is a method for preparing a one-dimensional spin photonic crystal device and a one-dimensional spin photonic crystal device prepared by the same. The method comprises forming magnetic and...
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...
8059965 Polarization mode dispersion compensation  
Methods and systems for PMD compensation in an optical communication system are implemented by transmitting multiple optical signals through a common optical conduit to an optical compensator that...
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...
8000767 Magneto-optical apparatus and method for the spatially-resolved detection of weak magnetic fields  
A detector uses the magneto-optical Kerr effect and exploits the transition region between two magnetization states of a magneto-optical film to detect magnetic fields of less than 100 pT. The...
7929195 MEMS based retroreflector  
A deformable reflective surface is disclosed that may be used with a retroreflector to provide a modulated retroreflector. The modulated retroreflector may be used in communication systems such as...
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...
7898720 Faraday rotator  
A Faraday rotator having a magnet member constituted of a first magnet standing magnetized in the direction perpendicular to the optical axis and taken toward the optical axis, a second magnet...
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...
7795043 Method of manufacturing oscillator device  
A method of manufacturing oscillator devices each having an oscillator and a resilient supporting member for supporting the oscillator for oscillatory motion, includes a step of processing one and...
7791886 Heat-dissipating structure for an optical isolator  
A heat-dissipating structure for an optical isolator is capable of suppressing an increase in temperature caused by light absorption in a magnetic garnet crystalline film by radiation fins...
7733365 Imaging apparatus having print engine that includes MEMS device  
An imaging apparatus includes a controller executing instructions to form a latent image, and a print engine. The print engine includes a laser source, a micro-electromechanical system (MEMS)...
7570414 Magnetic photonic crystal structure for providing spatial frequency asymmetry for light propagating in different directions  
A magnetic photonic crystal for providing asymmetry of spatial frequencies in the propagation of light is provided. The crystal is formed from at least two materials having different indices of...
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...
7535616 Polarization controlling apparatus and polarization operation apparatus  
A polarization controlling apparatus includes a permanent magnet itself or a permanent magnet to which a part capable of being magnetized is applied, an electromagnet capable of changing the...
7501816 Flaw detection method and flaw detection apparatus  
A flaw detection apparatus includes a coil for producing an alternating-current magnetic field for flowing eddy currents in a magnetic material; a magneto-optical element disposed at the center of...
7489433 Method and apparatus for making and using 1D and 2D magnetic actuators  
A light beam scanner may include a polymeric material and a soft magnetic material.
7466923 Polarization mode dispersion compensation  
Methods and systems for PMD compensation in an optical communication system are implemented by transmitting multiple optical signals through a common optical conduit to an optical compensator that...
7463401 Integrated micro-optical systems  
An integrated micro-optical system includes at least two wafers with at least two optical elements provided on respective surfaces of the at least two wafers, at least one of the two optical...
7443598 Variable focal length lens  
A variable focal length lens (12) includes a central transparent elastic portion (120) having a first wall (1200) and a second wall (1202) intersecting an optical axis and a peripheral portion...
7433558 Methods for optical isolation in high power fiber-optic systems  
Methods for optical isolation in high peak power fiber-optic systems prevent damage to a facet within a fiber-optic isolator caused by back-reflected light from, for example, an optical amplifier....
7385393 Magnetic field measuring apparatus capable of measuring at high spatial resolution  
A condenser lens is incorporated into the end portion of a magnetic field measuring apparatus including a magneto-optical crystal. Alternatively, the end portion of the magnetic field measuring...
7365533 Magneto-optic remote sensor for angular rotation, linear displacements, and evaluation of surface deformations  
A system and method to detect angular rotation, linear displacement and/or surface deformations is presented. The method is based on the ability of a linear polarized light to interact with...
7308171 Method and apparatus for optical isolation in high power fiber-optic systems  
Methods and apparatus for optical isolation in high peak power fiber-optic systems prevent damage to a facet within a fiber-optic isolator caused by back-reflected light from, for example, an...
7242516 Hard magnetic garnet material, faraday rotator, optical device, optical communication system, method of manufacturing faraday rotator and method of manufacturing bismuth-substituted rare earth iron garnet single crystal  
A hard magnetic Bi-substituted rare earth iron garnet material with excellent Faraday rotary moment, temperature property, wavelength property and insertion loss is provided. A Bi-substituted rare...
7224506 Single side band modulation device  
A single side band modulation device includes a first Mach Zehnder interferometer and a second Mach Zehnder interferometer. The first Mach Zehnder interferometer includes at least two output arms,...
7221247 Magnetically actuated microelectromechanical systems actuator  
A microelectrical mechanical system (MEMS) actuator having electrically conductive coils that create first magnetic fields that are opposed by a second magnetic field is disclosed. The actuator...
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...
7187496 Manufacturing method of optical device, optical device, manufacturing method of faraday rotator, and optical communication system  
There are provided a manufacturing method of an optical device excellent in expediency, and a technique for stably manufacturing a high performance optical device. After a single crystal film...
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,...
7071687 Photomagnetic field sensor  
A photo magnetic field sensor includes a Faraday rotator made of a paramagnetic material, a polarizer, an analyzer, a light-irradiating element, and a light-sensing element. The Faraday rotator is...
7068413 Near-normal incidence quasi-optical reflective Faraday rotator for high power millimeter wave radars  
An optical element having characteristics suitable for use in a Faraday rotator has bonded to each of the adjacent radiation-receiving surfaces thereof with a chamber or water conducting conduit...
7057791 Compact multipass optical isolator  
An optical isolator is disclosed for transmitting light in a first direction and blocking light in a second direction along an optical pathway. The optical isolator includes an input polarizer...
7057792 Optical sensor unit for measuring current and voltage of high frequency  
An optical sensor unit, free from electrical noise, includes a sensor case which has both lateral sides having high frequency connectors mounted thereon, and a metallic plate mounted inside the...

Matches 1 - 50 out of 245 1 2 3 4 5 >