Class 359/258 - Kerr cell

Subclass of Class 359 - Optical: systems and elements
Definition: Subject matter under 246 wherein the variation of a polarized
No. of patents: 25
Last issue date: 07/22/2008

Number	Title	Issue Date
7403677	Fiberoptic reconfigurable devices with beam shaping for low-voltage operation An apparatus and method to operate on a light beam by using a lens that collimates the light beam to a collimated beam with at least one cross-sectional dimension less than a critical dimension of 400 μm or less over a working range WR. The apparatus has a bulk ele...	07/22/2008
7256916	Optical scanning imaging system The system includes an illumination system, a scanner, a non-linear optical element, and a pumping light source. The illumination system emits imaging beam and the scanner scans the beam incident from the illumination system. The non-linear optical element is made o...	08/14/2007
7199927	Optical element and optical add-drop module In an optical element, a first mirror stack layer is formed on a substrate, and a spacer layer made of a paraelectric material having a secondary electrooptic effect is formed thereon through a first conductive thin film. Further, a second mirror stack layer is form...	04/03/2007
7050215	Method and apparatus for providing a gas correlation filter for remote sensing of atmospheric trace gases A correlation filter is provided having passbands at wavelengths corresponding to the absorption spectrum of an atmospheric gas of interest. In particular, the correlation filter features narrow, non-linearly spaced passbands having center wavelengths that are corre...	05/23/2006
7030991	Field condensing imaging system for remote sensing of atmospheric trace gases A sensor system featuring a field angle compression telescope optical system for measuring atmospheric trace gases is provided. According to an embodiment of the present invention, the telescope optical system condenses the field angle of received light with respect...	04/18/2006
7002162	Instrument for measuring lifetime of fluorescene A fluorescence component that passes through a region of a detection medium where a change in refractive index has been induced through a nonlinear optical effect produced in the detection medium by a gate pulse is observed as a fluorescence image by utilizing a cha...	02/21/2006
6963677	Optical memory and logic using cross-switches An all-optical, asynchronous binary storage cell implemented by optically induced total internal reflection cross-junction waveguide switches. The term “all-optical” refers to directing of optical data signals as a result of optical control signal inputs without...	11/08/2005
6785040	Spectral modulation in an optical wavelength converter Wavelength conversion apparatus is described that utilizes a Kerr cell to modulate the polarization of a pump laser beam having a first wavelength before the beam is input to an optical parametric oscillator/amplifier wavelength converter to generate a laser beam ha...	08/31/2004
6753993	Passive optical wavelength converter Apparatus for wavelength conversion includes a first optical be splitter, a first leg and a second leg each splitting from the first optical beam splitter, a first optically passive nonlinear device disposed in the first leg, a second optically passive nonlinear dev...	06/22/2004
6297899	Discrete element light modulating microstructure devices A light modulating or switching array (10) having a plurality of discrete protrusions (16) formed of electro-optic material, each of which is electrically and optically isolated from each other. The protrusions (16) have defined a top face (20), a bottom ...	10/02/2001
6288822	Discrete element light modulating microstructure devices A light modulating or switching array (10) having a plurality of discrete protrusions (16) formed of electro-optic material, each of which is electrically and optically isolated from each other. The protrusions (16) have defined a top face (20), a bottom ...	09/11/2001
6201630	Electro-optic apodization having backward compatibility and discrimination capabilities for optical disk drives The present invention preferably includes a shading band which is suitably electro-optically created in a grid pattern formed through a photolithographic process, so consequently, the electro optic shading band is easily eliminated or re-configured dynami...	03/13/2001
5828484	Multiple-stage optical Kerr gate system A multiple-stage optical Kerr gate system for gating a probe pulse of light. In a first embodiment, the system includes at least two optical Kerr gates, each Kerr gate including a polarizer, an optical Kerr cell actuable by a pump pulse, and an analyzer. ...	10/27/1998
5731889	Wavelength division demultiplexing device, and system using it A wavelength division demultiplexing device, and a system using the device are disclosed, in which there is utilized a Pabry-Perot etalon using as a spacer layer a Kerr medium in which the refractive index is varied in accordance with the intensity of bea...	03/24/1998
5341229	Holographic display system A portable holographic display system emboding holographic plates which are disposed upon a plurality of thin film holographic emulsions coupled to multiple channel Kerr units that generate a series of multi-colored holographic images. The holographic ima...	08/23/1994
5309271	Thin film multistable angular optical switch An intensity sensitive optical switch is described which comprises a nonlinear thin film Kerr material deposited on a conducting surface....	05/03/1994
5227912	Multiple-stage optical Kerr gate system A multiple-stage optical Kerr gate system for gating a probe pulse of light. In a first embodiment, the system includes at least two optical Kerr gates, each Kerr gate including a polarizer, an optical Kerr cell actuable by a pump pulse, and an analyzer. ...	07/13/1993
5111326	Integrated Kerr shutter and fiber laser optical modulation An optical modulation source provides a pulsed optical signal 44 by coupling a pulsed optical pump signal 13 polarized along one axis of a polarization preserving fiber 24 having a wavelength λp and a continuous-wave (CW) probe signal 54 polarized partia...	05/05/1992
4915481	Apparatus for preventing space charge buildup effects in electrically controllable optical transmission cells A Kerr cell in an electro-optical shutter is coupled in a leg between "H connected" switches so as to reverse the polarity of the actuating potential applied across the cell....	04/10/1990
4733950	Display device using electro-optic plate and a membrane switch A display apparatus using a light-transmitting ceramic plate having an electrooptic effect known as Kerr effect is disclosed. The ceramic plate is placed between two parallel polarizers having a same axis of polarization. A transparent flexible sheet face...	03/29/1988
4722597	Electrooptic shutter array element An electrooptic shutter array element has a light transmissive substrate, a pair of electrodes having a plurality of opposed terminal portions formed on the substrate, a light shading mask provided with a plurality of windows corresponding to the opposed ...	02/02/1988
4615588	Transparent electrode for optical switch A low pressure gas electrode utilizing ionized gas in a glow discharge regime forms a transparent electrode for electro-optical switches. The transparent electrode comprises a low pressure gas region on both sides of the crystal. When the gas is ionized, ...	10/07/1986
4353623	Leadthrough for electric conductors While avoiding the quartz fusion technique, an accurate and vacuum-tight electric leadthrough is provided which in addition is mechanically rigid. The electric conductor is fixed at the interior of a cell through an aperture by means of a ring of polytetr...	10/12/1982
4283114	Fiber optic light valve A mechanically actuated, piezoelectrically powered, fiber optic connected ght valve (shutter) utilized as a sensor to detect mechanical motion (pressure) or displacement. A piezoelectric element responds to pressure to generate an electrical signal which ...	08/11/1981
3941453	Birefringent compounds used in Kerr cells Molecules with a group X which attracts electrons and comprises π-electrons and conjugated therewith a group R which supplies electrons, of the formula in which X represents --COCF3, --COC6 H5 or --SOn CF3...	03/02/1976

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Class 359/258 - Kerr cell