Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| RE39261 | Method and apparatus for an integrated laser beam scanner A solid state laser beam scanning system having a single crystal silicon deflection and scanning mirror integrated with a laser diode. By combining the techniques of deep reactive ion etching of silicon with solder bump bonding techniques, completed and tested laser... | 09/05/2006 |
| 6958859 | Grating device with high diffraction efficiency A grating structure with a dielectric coating is disclosed that operates efficiently away from the blaze angle in low order with a high diffraction efficiency and high wavelength dispersion. Such grating structure can be employed in Littrow configuration to provide,... | 10/25/2005 |
| 6865025 | Aberration compensating optical element, optical system, optical pickup device, recorder and reproducer An aberration compensating optical element includes: a diffractive structure having a plurality of ring-shaped zone steps formed into substantially concentric circles on at least one surface of the aberration compensating optical element; wherein the aberration comp... | 03/08/2005 |
| 6856478 | Indicator panel for vehicle instrument panel and method of manufacture thereof An indicator panel for a vehicle instrument panel is provided with a base substrate having transparency, an ink-acceptance layer coated on at least one surface of the base substrate and a shading layer coated further on the ink-acceptance layer. Hazes of the base su... | 02/15/2005 |
| 6850674 | Optical device An optical device 1 has a substrate 2, whereas bare fibers 5 exposed from a coated optical fiber tape 3 by removing a coating 4 from its middle part are secured to the upper face part of the substrate 2. In the substrate ... | 02/01/2005 |
| 6845203 | Detection of adsorbates on interior surfaces of holey fibers The interior surfaces of the holes in holey optical fibers has adsorbed optically material which may be detected by propagating laser light down the axis of the fiber and detecting Raman, Infrared, or visible fluorescence or absorption. ... | 01/18/2005 |
| 6842288 | Multilayer optical adhesives and articles Described are multilayer optical composites including a first layer having an index of refraction n1, an ith layer having an index of refraction ni greater than n1, and one or two or more intermediate layers between the fi... | 01/11/2005 |
| 6806982 | Pulsed-laser systems and methods for producing holographic stereograms Pre-sensitization techniques can be used in conjunction with holographic recording materials to allow high quality holographic stereograms to be recorded in those holographic recording materials using pulsed lasers. Additional hologram production system hardware and... | 10/19/2004 |
| 6807008 | Wavelength dispersion generation apparatus, multi-faced mirror used for wavelength dispersion generation apparatus, and method for manufacturing thereof A mirror which reflects input light from a lens which focuses light emitted from a VIPA, and returns the light to the lens is constituted as a multi-faced mirror including multiple reflection surfaces in the traveling direction of the input light which individually ... | 10/19/2004 |
| 6778342 | Coated substrates for resisting dizziness, enhancing displayed color, eliminating static electricity and blocking radiation The present invention relates to a process for gratings able to resist dizziness, enhance color displayed, eliminate static electricity and block radiation. Steps included are: making a substrate with an enhanced glass or optical plastic glass or optical plastics; c... | 08/17/2004 |
| 6775067 | Method and apparatus for stretching an optical pulse A method and apparatus for stretching a pulse, shaping a stretched pulse, and modeling a stretched and/or shaped pulse are disclosed. An etalon has a port, a partially reflective surface, and a fully reflective surface. A base pulse is introduced into the etalon, an... | 08/10/2004 |
| 6775037 | Grating matrix recording system A dot matrix system, which uses an electronic display panel as a diffractive optical device to produce two laser beams. The interference pattern of these two beams, at the focal plane of a lens, forms a grating spot with a shape and beam profile determined by the wa... | 08/10/2004 |
| 6771368 | Laser-induced ionisation spectroscopy, particularly for coal An apparatus for analyzing material, such as coal, comprises subjecting the coal (14) to laser light The laser light is used to vaporize and ionize a small amount of the coal to produce spectral emissions. A plurality of detection, (26, 30, 34) each of... | 08/03/2004 |
| 6771420 | Optical device with barrier layer, optical system, and projector apparatus An optical device has a light-transmitting optical substrate formed with a multilayer film and a barrier layer disposed on the multilayer film side thereof. The light-transmitting optical substrate has a refractive index Ns (at a reference wavelength of 6... | 08/03/2004 |
| 6768588 | Apparatus and methods for generating multiple exit-pupil images in an expanded exit pupil A display system includes a diffraction grating that generates exit-pupil images, where one of the exit-pupil images has a first intensity and the remaining exit-pupil images each have or approximately have a second intensity that is less than the first intensity. T... | 07/27/2004 |
| 6768567 | Synchrotron-based EUV lithography illuminator simulator A lithographic illuminator to illuminate a reticle to be imaged with a range of angles is provided. The illumination can be employed to generate a pattern in the pupil of the imaging system, where spatial coordinates in the pupil plane correspond to illumination ang... | 07/27/2004 |
| 6768602 | Dye combinations for multiple bandpass filters for video displays A bandpass filter containing specific combinations of the dyes to yield filters which are adapted to selectively transmit predetermined primary color wavelengths of an electromagnetic spectrum as well as selectively absorb wavelengths other than the predetermined pr... | 07/27/2004 |
| 6768589 | Method and apparatus providing reduced polarization-dependent loss A diffraction grating providing reduced polarization dependent loss. The elements of pixels of the diffraction grating are fixed or actuated such that some grating elements are actuated to correspond to a positive polarization dependent loss and others are actuated ... | 07/27/2004 |
| 6768575 | Optical deflection element An optical deflection element for splitting light rays in accordance with a wavelength of incident light, includes a photonic crystal having an entrance end face and an exit end face, and having a refractive index which periodically changes depending upon positions ... | 07/27/2004 |
| 6768591 | Interleaver An interleaver is provided with an optical system configured to split light having traveled from a first port to a half mirror, into two beams and direct the beams toward first and second reflectors, respectively. Light reflected by the first reflector and arrived a... | 07/27/2004 |
| 6762865 | Self-referenced holography using diffusive element The invention is directed to self-referenced holographic recording techniques that make use of a diffusive element. Self-referenced holography refers to holographic recording techniques in which a reference beam is created from a zero frequency Fourier component of ... | 07/13/2004 |
| 6760160 | Fiber optic isolator for use with multiple-wavelength optical signals A fiber optic isolator device is used by fiber optic systems operating at more than one wavelength. The device may be inserted anywhere within the fiber network. The fiber optic device permits the separation of the wavelengths so that an optical isolator module can ... | 07/06/2004 |
| 6760134 | Multicolor electronic holography and 3D image projection system A three dimensional true color holographic imaging system using three primary color Fresnel-Zone-Pattern laser generators combined as a single beam that scans the target and the reflections of which are sensed simultaneously by a single electronic detector. The dete... | 07/06/2004 |
| 6754014 | Color wheel A color wheel including a motor, a vibration damping element and a color filter. In this case, the motor has a housing and a motor body, and the housing is set at the central axis of the motor body. The vibrating damping element is set on the housing of the motor. T... | 06/22/2004 |
| 6753989 | Recording surface relief microstructure A method of recording a surface relief microstructure in a record medium includes: i) causing a coherent reconstruction or replay beam to impinge on a holographic optical element assembly, the holographic optical element assembly including a holographic optic... | 06/22/2004 |
| 6750996 | Waveguide, edge-lit illumination arrangement and display comprising such A polarized light-emitting waveguide for use in an edge-lit lighting arrangement has polarization-selective outcoupling structure including at least a volume hologram for selectively diffracting waveguided light towards the exit surface of the waveguide with high co... | 06/15/2004 |
| 6747771 | Off-axis illumination direct-to-digital holography Systems and methods are described for off-axis illumination direct-to-digital holography. A method of recording an off-axis illuminated spatially heterodyne hologram including spatially heterodyne fringes for Fourier analysis, includes: reflecting a reference beam f... | 06/08/2004 |
| 6742907 | Illumination device and display device using it An illumination device is provided of the type arranged at the front which is of low power consumption and of high recognisability both when the illumination is turned on and when illumination is turned off. An illumination device arranged at the front face of an il... | 06/01/2004 |
| 6741374 | Techniques for performing logic operations using quantum states of single photons A method and apparatus for performing logic operations using quantum polarization states of single photons, include a first polarizing beam splitter having first input spatial modes and first output spatial modes for a first set of orthogonal polarizations. A second... | 05/25/2004 |
| 6741411 | Changeable process window A process window unit for the spectroscopic study of process mixtures The process window is comprised of a window frame for holding a window, a screw cylinder, with a radiation passage in its core and an external thread for screwing the screw cylinder into the windo... | 05/25/2004 |
| 6741393 | Optical system with optical frequency discriminator An optical system includes an optical frequency discriminator having a light source of an optical input beam, and an optical bandpass filter having a bandpass filter range and the optical input beam incident thereon at a bandpass-filter angle of incidence and may be... | 05/25/2004 |
| 6738171 | Color filter array and microlens array having holographic optical elements Semiconductor imaging devices with integrated holographic optical element for beam focusing and color separation. ... | 05/18/2004 |
| 6738203 | Optical power limiting material A main object of the present invention is to provide a novel optical power limiting material of high performance being less susceptible to damages caused by heat occurring when an intensified laser beam is irradiated, having reversible characteristic and exhibiting ... | 05/18/2004 |
| 6736519 | Perforated retroreflective film A see-through retroreflective structure includes a transparent polymeric film, an array of retroreflective elements attached to the polymeric film, and an array of apertures through the retroreflective structure within the array of retroreflective elements. In one e... | 05/18/2004 |
| 6738204 | Arrangement of color elements for a color filter An arrangement of color elements for a color filter. Each of color element groups comprises a first color element, a second color element, a third color element and a fourth color element arranged in sequence. The first color element, the second color element, and t... | 05/18/2004 |
| 6735002 | Method for formatting partially overlapping holograms A method of writing holograms includes: numbering sections in sequence, where each section has a spatial projection onto a holographic medium; and writing at least one hologram in each of the sections in sequence. Writing in two sections with adjacent spatial projec... | 05/11/2004 |
| 6733188 | Optical alignment in a fiber optic transceiver The present invention provides methods for aligning a fiber optic cable with an optical component on a device carrier using a fiber optic lens assembly. One method provides that movement of the lens assembly is fixed with respect to the fiber optic cable. Light is s... | 05/11/2004 |
| 6731420 | Optical switching apparatus An optical matrix switch station (1) is shown mounting a plurality of optical switch units (15, 17), each of which includes a mirror (29), moveable in two axes, for purpose of switching optical beams from one optical fiber to another. A mirror a... | 05/04/2004 |
| 6728035 | Optical device with diffraction grating having plural grating regions An optical device includes a light-emitting element for irradiating light onto an information recording medium, a diffraction grating for splitting light emitted from said light-emitting element into a plurality of beams, a focussing member for focussing the plurali... | 04/27/2004 |
| 6728049 | Universal optical filter holder The objective of the present invention is providing a mechanical holder that allows optical filters, wave plates, and substrates of different shapes, sizes, and thickness to be simply, conveniently, flexibly, and quickly mounted, fixed and interchanged. This is achi... | 04/27/2004 |
