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| Number | Title | Issue Date |
| 7307781 | Techniques for using chirped fields to reconfigure a medium that stores spectral features Techniques for reconfiguring spectral features stored in a medium based on a two-state atomic system with transition dipole moment μ includes causing a chirp to pass into the medium. The chirp includes a monochromatic frequency that varies in time by a chirp rate Î... | 12/11/2007 |
| 7253425 | Method and apparatus for forming optical elements by inducing changes in the index of refraction by utilizing electron beam radiation The exposure of selected optical materials to large area electron beam irradiation can raise the refractive index of the optical material to allow the fabrication of waveguides, optical fibers, gradient index lenses, interference filters, antireflection coatings, he... | 08/07/2007 |
| 7004592 | Electrochromic mirrors and devices An electrochromic rearview mirror suitable for a motor vehicle is disclosed. The mirror includes a display device disposed behind the rear substrate. ... | 02/28/2006 |
| 6924004 | Apparatus and method for synthesizing films and coatings by focused particle beam deposition A particle beam deposition apparatus includes a particle source for generating a plurality of particles in suspended form, an expansion chamber, and a deposition chamber connected to the expansion chamber by an aerodynamic focusing stage, and containing a substrate.... | 08/02/2005 |
| 6897995 | Method and device for variable optical attenuator A variable optical modulator for optical communication systems using a tunable dynamic grating comprises a gel or membrane layer attached adjacent to a prism communicating light to/from the optical communication system. A substrate has a plurality of individually ad... | 05/24/2005 |
| 6611367 | Surface plasmon optical modulator element A surface plasmon optical modulator element includes a dielectric material block disposed so that light-to-be-modulated travels through the interior of the dielectric material block and impinges upon one surface thereof at an angle of total reflection, a ... | 08/26/2003 |
| 6172793 | Apparatus for coherently controlling an optical transition Optically generated charge carriers in an optically responsive medium, such as an optical switch, which are produced in response to a first pulse of optical radiation (P1), are de-excited by directing a second pulse (P2) of optical r... | 01/09/2001 |
| 6028696 | Charge controlled mirror with improved frame time utilization and method of addressing the same A beam addressed electrostatically-actuated charge controlled mirror (CCM) with frame time utilization approaching 100% is provided by partially coating the CCM's pixelized beam addressing surface with a material having the opposite electron affinity. Eac... | 02/22/2000 |
| 5847858 | Electrochromic element The electrochromic element comprises an electrochromic layer (22) whose transmission properties change when a voltage difference is applied across the element. Said electrochromic layer (22) comprises a first metal oxide of the group formed by WO3 | 12/08/1998 |
| 5557177 | Enhanced electron beam addressed storage target A electron beam row at a time addressed storage target includes substrate with a plurality of column electrodes affixed to the substrate by a suitable means. Adjacent column electrodes are displaced by a first period. The target includes a grid for collec... | 09/17/1996 |
| 5477519 | Data storage using pulsed optical domain reversal Digital data is stored using optical means exclusively in a storage media which is characterized with a soft-phonon mode. Electric dipole domains in the storage medium are caused to reverse in polarity in response to the impinging thereon of an optical pu... | 12/19/1995 |
| 5379136 | Electron beam addressed electro-optical light valve having input openings An electron beam addressed electro-optical (EO) light valve (EOLV) having a matrix of openings formed on and extending through an input conductive layer and further extends into an electrically insulating layer. A partially conductive coating is formed on... | 01/03/1995 |
| 5170281 | Spatial light modulation device capable of arbitrarily selecting an input/output characteristic A spatial light modulator includes an electro-optic crystal plate and a mesh electrode for capturing secondary electrons emitted from the crystal plate. Primary electrons carrying an image corresponding to an input optical image are incident on the front ... | 12/08/1992 |
| 5091980 | Optical quantum interference device/optical computer and method of modulating light using same A device structure is provided for optical modulation using a quantum interference effect in an excited state of electron-systems. The optical modulation is performed by causing the effect of modulation on the excited state of electron-systems represented... | 02/25/1992 |
| 4866529 | Optical relay providing a projected image presenting characters having an enhanced readability The invention relates to an optical relay which includes a target plate of an electrically insulating material and allowing the light to pass in a manner dependent on the electric field parallel to the direction of propagation of this light, means for sca... | 09/12/1989 |
| 4784475 | Optical relay whose target is cooled by a controlled temperature gradient heat exchanger Optical relay for projection television includes a target (12, 31) of an electrically insulating material which allows the light to pass in a manner depending on the electric field parallel to the direction or propagation of this light. An electron beam s... | 11/15/1988 |
| 4769712 | Optical relay whose target operates ferroelectrically An optical relay transmits light in dependence on an electric field parallel to the direction of propagation of the light toward a target having a first face which is scanned by an electron beam. An anode collects the secondary electrons emitted by the be... | 09/06/1988 |
| 4763996 | Spatial light modulator A crystal structure arrangement used in a spatial light modulator wherein an electrooptic crystal structure faces an electron beam source, such as a photocathode or an electron gun, within a vacuum envelope. Electrons emitted from the electron beam source... | 08/16/1988 |
| 4741602 | Spatial light modulator A spatial light modulator consists of an electron beam source formed within a vacuum envelope and an electro-optic crystal or organic film whose optical property changes corresponding to the charge stored on the surface thereof. The electro-optic crystal ... | 05/03/1988 |
| 4717893 | Spatial light modulator Improved spatial light modulators, each consisting of an electron beam source formed within a vacuum envelope, i.e., a photoelectric layer; and a electro-optical crystal to store electrons emitted from the electron beam source as a charge to change the op... | 01/05/1988 |
| 4678286 | Spatial light modulator A spatial light modulator consisting of an electron beam source formed within a vacuum envelope and an electro-optic crystal assembly for storing electrons emitted from the electron beam source as a charge to change the optical property thereof. The elect... | 07/07/1987 |
| 4620113 | Pockels cell driver A Pockels cell driver useful to operate the Pockels cell as an optical shutter to select one or more laser pulses out of a train of laser pulses when the Pockels cell is placed between crossed polarizers. The Pockels cell is connected through a storage ca... | 10/28/1986 |
| 4618217 | Electron-bombarded silicon spatial light modulator An electron bombarded silicon spatial light modulator in which electrons leaving a microchannel plate amplifier are accelerated to penetrate a silicon photodiode forming electron-hole pairs therein and resulting in significant current gains.... | 10/21/1986 |
| 4272157 | Multi-stable optical system A multi-stable optical device and system which utilizes an active optical element such as a spatial light modulator (SLM) in a feedback path configuration. The elementary system consists of a pair of image element (pixels) on the SLM whose input and outpu... | 06/09/1981 |