Matches 201 - 245 out of 245 < 1 2 3 4 5


Match Document Document Title
4578651 Magnetooptical modulator  
In a magnetic layer of a magnetooptical modulator having fixed magnetic single domain areas, the areas of the layer present between the single domain areas are made electrically conductive by...
4575722 Magneto-optic display  
A display adapted to be helmet-mounted or used for projecting and having the multi-mode capability of full three-primary color displays; gray scale or halftones; stereo imagining; image...
4574312 Magneto-optic image scanning detector  
An improved magneto-optic image scanning detector for placement in a light beam between an image and a light detector generating an electrical signal as a function of the intensity of light...
4540284 Ring laser including reflecting mirror with phase rotating garnet layer  
A ring laser having at least three corner mirrors, of which one carries a ferromagnetic garnet layer on a substrate and is coated with a plurality of interference layers and magnetized at right...
4484074 Planar detector of a device for detecting corpuscular or electromagnetic radiation, and method for manufacturing same  
A planar detector of a device for detecting corpuscular or electromagnetic radiation, utilizing the magnetic superheating properties of small superconducting particles in a magnetic field has its...
4456339 Laser heterodyne surface profiler  
Method and apparatus for testing the deviation of the face of an object from a flat smooth surface using a laser beam having two plane-polarized components, one of a frequency greater than the...
4442414 Magneto-optical phase-modulating devices  
A magneto-optical phase-modulating device comprising a magneto-optic layer (3) forming part of an optical stack and upon which, in use, light is incident and to which is applied a magnetic field,...
4309084 Magneto-optical light modulator  
The light source produces two colors and is combined with an optical dispersive element for the wavelength-dependent rotation of the plane of polarization of a light beam transmitted by the...
4229072 Color display system using magneto-optic screen having a dispersive Faraday coefficient  
A display system using the dispersive Faraday coefficient of a magnetic screen to obtain a color display from white light is disclosed. A beam of energy is directed upon a magnetic screen while...
4175830 Wave mode converter  
Mode converter for electromagnetic, light or infrared waves. This mode converter converts particle non-confining modes to particle confining modes. In a confining mode wave beam the phase of the...
4063158 Gaussmeter  
An optical gaussmeter for determining the magnitude and homogeneity of the magnetic field in the core of a superconducting magnet includes a crystal of calcium fluoride doped with divalent thulium...
4032216 Thin film magneto-optic mode converters  
Mode conversion of optical signals in thin film optical devices is obtained in a region of Faraday effect magnetic material waveguide by providing a periodic structure in which alternate half...
3936742 Apparatus for measuring electrical quantities at high-voltage potential  
A device for measuring an electrical quantity at high-voltage potential includes a light-wave conductor for conducting light to a measuring sensor on the high-voltage side. A reflecting surface is...
3927946 Ring laser frequency biasing mechanism  
A ring laser cavity forming component including a magnetically saturable member for differentially phase shifting the contradirectional waves propagating in the laser cavity, the phase shift being...
3841758 ROTATION SENSITIVE RETARDER  
A rotation sensitive retarder system comprising an optical loop around which two linear polarized lightbeams are guided in opposite directions. A splitting and reunifying device is utilized in the...
3811941 AN ARTICLE FOR PROCESSING ELECTROMAGNETIC WAVE ENERGY  
A device for processing electromagnetic wave energy by converting the wave energy to spin waves and/or elastic waves, the present disclosure being particularly directed to the concept of providing...
3804519 GROUP-OF-CURVES PATTERN IDENTIFICATION APPARATUS  
A pattern of a group of curves, such as fingerprints, including noises or discontinuities is formed from a permanent magnet film magnetiized in a direction perpendicular to its surface. Disposed...
3781714 ISOLATOR FOR HIGH POWER LASER SYSTEM  
A high power laser system having a radiation source and an amplifier with an isolator located in such a position as to reflect radiation from said source to said amplifier. This isolator is made...
3769584 ELECTRO-OPTICAL MEASURING APPARATUS  
An electro-optical measuring apparatus includes a magneto-optical element around which is wound an electrical conductor carrying a current to be measured. The plane of polarization of a linearly...
3752563 MAGNETIC FILM STRIPE DOMAIN DIFFRACTION  
A magneto-optic light deflection system that utilizes the stripe domains in a magnetic film as a diffraction grating. The angle of deflection of the light from the plane of the film is varied in...
3738756 MAGNETO-OPTIC ROTATION ANALYZER  
In a magneto-optic rotation analyzer, a first modulator modulates the magneto-optic rotation, if any, of the probing light beam by the sample at a first modulation frequency and a second reference...
3697151 CRYOGENICALLY COOLED FARADAY ROTATOR ELEMENT  
A semiconductive optical window of the type exhibiting a Faraday rotation in the presence of a magnetic field is cryogenically cooled in a dewar having flexure mounts for the element. The flexure...
3686567 CIRCUIT BREAKER HAVING CURRENT TRANSFORMER WITH INCORPORATED OPTICAL LINK  
A circuit breaker comprising a hollow insulating column, and an insulated cut-off chamber supported by the column and having movable and fixed contact members therein that are connected to...
3650601 MAGNETO-OPTIC DEVICE HAVING ALTERNATE LAYER FILM STRUCTURE  
Kerr magneto-optic transducers having enhanced conversivity can be fabricated using a plurality of thin magnetic mirror layers spaced by dielectric layers having a thickness of approximately μ/4...
3639744 MAGNETOOPTIC PHASE CORRELATOR  
A data plane and a method of analyzing the data stored therein for use in a data signal recording and correlating system whereby received data signals are written into the data plane in a...
3625600 ACOUSTIC LIGHT DEFLECTION METHOD  
An acousto-optical deflection method employing control of the wave front relationship between the acoustic waves generated in an acoustical Bragg deflector and the optical wave fronts emanating...
3609723 PIEZOREFLECTIVE-MAGNETOSTRICTIVE FILM TRANSDUCER  
Magnetic information is converted to optical signals by placing a coupled piezoreflective-magnetostrictive film layer between the information-containing medium and a light source; and the pattern...
3602574 LIGHT MODULATION BY RESONANT FARADAY EFFECT  
Giant Faraday rotations, of linearly polarized light pulses, are obtained in an optically resonant medium when the medium operates under the conditions of self-induced transparency. The giant...
3599189 DISPLAY MEMORY  
A combination digital display and memory element comprising a thin film of magnetic material having a uniaxial anisotropy, a matrix of crossed conductors, and a thin film of rotatable anistropic...
3590249 OPTICAL READ SYSTEM  
A read system for optically detecting data written on a memory element wherein a light beam is modulated by areas of the memory element and such modulation is detected for reading the data. The...
3567308 RARE-EARTH CHALCOGENIDE MAGNETO-OPTICAL ELEMENTS WITH PROTECTIVE LAYERS  
3560955 BIREFRINGENT DISPLAY SYSTEMS  
3515457 MAGNETICALLY-CONTROLLED BEAM DEFLECTOR  
3467917 FIELD-TUNABLE RAMAN OPTICAL DEVICE  
3465311 THERMOSTRICTIVE RECORDING  
3447856 OPTICAL PULSE MULTIPLIER  
3405370 Internal optical modulator  
3393957 High-frequency light modulator or switch using the magneto-optical properties of thin magnetic films  
3392353 Maser intracavity phase modulator  
3320523 Method for visibly indicating and recording magnetic fields  
3259016 Tunable semiconductor optical modulator  
3233108 Method and apparatus for producing phase modulation of light with a semiconductor  
3166673 Modulation of lasers by magneto-striction  
3141920 Thin film color display device  
3046473 Very narrow-pass filter using zeemansplit absorption lines  

Matches 201 - 245 out of 245 < 1 2 3 4 5