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| Number | Title | Issue Date |
| 6449091 | Optical isolator Tuning to maximize the isolation provided by an optical isolator to one of a predetermined plurality of wavelengths is achieved by tilting the isolator with respect to an input beam of light. Further tuning to a peak response for a given wavelength is ach... | 09/10/2002 |
| 6447148 | Reflecting mirror manufacture method and lamp assembly Light distribution characteristics are defined which define a correspondence relation between the position of a reflection point on a reference plane and the position of an image of a light source. In accordance with the light distribution characteristics... | 09/10/2002 |
| 6445502 | Variable blazed grating In one aspect of the invention, an apparatus operable to provide optical signal processing includes an inner conductive layer including an at least substantially conductive material and a plurality of at least partially reflective mirror strips disposed o... | 09/03/2002 |
| 6437916 | Strain-stabilized birefringent crystal The invention provides an optical system for use in a stable, temperature-insensitive birefringent crystal interferometer (BCI). The optical system includes a first block of light transmissive birefringent material having an input port and an output port,... | 08/20/2002 |
| 6425671 | Optical mirror flexing structure and assembly The present invention is a structure for holding and forming an optical mirror disc. A puller plate is attached to an elastic layer to the back surface of the mirror. A tensioner applies axial tension to the puller plate. A perimeter support engages the p... | 07/30/2002 |
| 6424438 | Apparatus and method for realizing all-optical NOR logic device An apparatus and method for realizing an all-optical NOR logic device includes a distributed feedback laser diode and a tunable laser diode respectively generating two pump signals of different wavelengths. The apparatus also includes a pulse generator an... | 07/23/2002 |
| 6422706 | Apparatus and method for positioning a mirror in a motor vehicle to ensure correct coverage of a critical field of view A mirror assembly for ensuring correct coverage of a critical field of view. Reference points (e.g., markings, light sources, images of objects) are used for correct mirror adjustment. In one embodiment, dots are located on the center of the mirror and on... | 07/23/2002 |
| 6421187 | Laser illumination arrangement for a cathode ray tube A photosensitive layer of or for a cathode ray tube is illuminated by means of a laser illumination arrangement. The laser illumination arrangement comprises a homogenizer which serves to reduce the coherence of the laser beam.... | 07/16/2002 |
| 6421178 | Device and method for transforming optical beams The invention concerns a device for optically transforming at least a radiation beam having a width extending in the plane X-Y. The device including optical elements provided with optically active interfaces, arrange in the radiation path. So as to obtain... | 07/16/2002 |
| 6417967 | System and method for efficient illumination in color projection displays An illumination system for a color projection display. In one embodiment a broad spectrum light source illuminates a multilevel optical phase element which disperses the broad spectrum light from the light source by diffraction. A display having a number ... | 07/09/2002 |
| 6415086 | Bundled monocapillary optics A plurality of glass or metal wires are precisely etched to form the desired shape of the individual channels of the final polycapillary optic. This shape is created by carefully controlling the withdrawal speed of a group of wires from an etchant bath. T... | 07/02/2002 |
| 6414779 | Integrated angled-dual-axis confocal scanning endoscopes The present invention provides a novel class of integrated angled-dual-axis confocal scanning endoscopes. An integrated angled-dual-axis confocal scanning endoscope according to the present invention advantageously exploits an angled-dual-axis confocal ar... | 07/02/2002 |
| 6411449 | Light-selective prism, projection display apparatus using the same, and method of manufacturing light-selective prism A red-reflecting film and a blue-reflecting film are formed in a substantially X shape on joint surfaces defined by the respective side faces of four columnar prisms or right-angle prisms. The red-reflecting film is continuously formed without separating ... | 06/25/2002 |
| 6407865 | Method for fabricating a lenticular plate An apparatus for fabricating a lenticular plate by irradiating with laser light a plate to which a photosensitive material is deposited. The apparatus for fabricating a lenticular plate comprises a collimator for collimating a beam from a laser to a prede... | 06/18/2002 |
| 6407861 | Adjustable optical circulator Optical circulators can be formed with one or more adjustable components to facilitate the optimization of light coupling into the ports of the circulator. In particular, an optical circulator includes one or more adjustable mirrors positioned in the prop... | 06/18/2002 |
| 6406584 | Process for making vertically integrated optical components A process for making a plurality of vertically integrated optical components including providing a holding device with a plurality of holes, providing a polarizing glass having two polarization layers separated by a non-polarizing region, providing a plur... | 06/18/2002 |
| 6400509 | Apparatus and method for the reduction of polarization sensitivity in diffraction gratings used in fiber optic communications devices A diffraction grating for use in multiplexing and demultiplexing optical signals in optical communication systems having reduced polarization sensitivity has a plurality of grooves including reflective step surfaces and transverse riser surfaces separated... | 06/04/2002 |
| 6398373 | Pneumatic control system and method for shaping deformable mirrors in lithographic projection systems A system for adjusting a deformable mirror including a reaction plate, a plurality of pneumatic actuators coupled to the reaction plate, and a plurality of push-pull flexures coupled on a first end to the pneumatic actuators, and coupled on a second end t... | 06/04/2002 |
| 6398372 | Deformable mirror for laser beam A reflecting mirror of a deformable mirror for laser beam is disclosed, which is produced having a high heat conductivity, a low Young's modulus and a high 0.2% yield strength, so as to realize high precision of shape control of the reflecting surface and... | 06/04/2002 |
| 6396630 | Device and method for a folded transmissive phase retarder A compact transmissive phase retarder for large and high power laser beam applications is proposed. The laser beam is orthogonally incident on the flat input surface of the optical element and is emergent from the optical component via a second flat outpu... | 05/28/2002 |
| 6396629 | Multi-functional optical device utilizing multiple birefringent plates and a non-linear interferometer The present invention provides a multi-functional optical device. The optical device includes: a first birefringent plate; a first set of optical rotators optically coupled to the first birefringent plate, the first set of optical rotators comprising a fi... | 05/28/2002 |
| 6394618 | Coating process for forming a metallic mirror surface on a receiving surface A coating process for forming a metallic mirror surface on the receiving surface of a substrate to be coated is shown. The coating process comprises the steps of: cleaning a receiving surface of a substrate to be coated; spraying on the receiving surface ... | 05/28/2002 |
| 6390636 | Hydrochloric acid solution for use as an activating treatment agent solution and method for using same A method for forming a metallic mirror surface on a receiving surface, substrate or article is shown. The method comprises the steps of cleaning the receiving surface to be coated with a metallic mirror surface; spraying on the receiving surface an activa... | 05/21/2002 |
| 6392819 | Objective lens and fabrication method thereof A method of fabricating an objective lens includes the steps of attaching a first lens to a first holder, adjusting an angle between the optical axis of the first lens and the optical axis of a second lens while sliding the second lens on a sphere, and at... | 05/21/2002 |
| 6392806 | Efficient illumination system for color projection displays A method and system for providing an improved color image wherein a broad spectrum light is supplied to a phase grating which provides dispersed light having multiple diffraction orders. The dispersed light is supplied to a zero-order phase shifter which ... | 05/21/2002 |
| 6392792 | Method of fabricating reflection-mode EUV diffraction elements Techniques for fabricating a well-controlled, quantized-level, engineered surface that serves as substrates for EUV reflection multilayer overcomes problems associated with the fabrication of reflective EUV diffraction elements. The technique when employe... | 05/21/2002 |
| 6392776 | Optical scanner An optical scanner comprises a support member for fixation on a given member, a movable plate provided with a reflection surface for reflecting light, an elastic member coupling the movable plate and the support member, the elastic member comprising a plu... | 05/21/2002 |
| 6392774 | Multiple position guiding lens image scanning method A scanner has a light and a scanning module for scanning light from a document and generating an image signal of the document. The scanning module has a plurality of light sensors, and a guiding lens for delivering light from the document to the light sen... | 05/21/2002 |
| 6388793 | Scanner having co-molded dither spring assembly and method of constructing A scan assembly and method of manufacture in which the dither mechanism comprises a co-molded dither spring, dither mount and mirror mount. The method comprises co-molding a living hinge with a base mount on the fixed end of the living hinge and a mirror ... | 05/14/2002 |
| 6388789 | Multi-axis magnetically actuated device A multi-axis magnetically actuated device, an array of multi-axis magnetically actuated devices, and a method of fabrication of a multi-axis magnetically actuated device are disclosed. In addition, disclosed is an optical switch comprised of an array of m... | 05/14/2002 |
| 6384977 | Fabricating optical waveguide gratings Method of fabricating an optical waveguide grating having a plurality of grating lines of refractive index variation including (i) repeatedly exposing a spatially periodic writing light pattern onto a photosensitive optical waveguide; and (ii) moving at l... | 05/07/2002 |
| 6377233 | Micromechanical display and fabrication method A display device, in accordance with the present invention includes a transparent substrate and an array of pixels formed on the substrate, each pixel comprises a transparent electrode and a deformable member electrically actuated between a first state an... | 04/23/2002 |
| 6373632 | Tunable Fabry-Perot filter A tunable Fabry-Perot filter includes an optical cavity bounded by a stationary reflector and a deformable or movable membrane reflector. A second electrostatic cavity outside of the optical cavity includes a pair of electrodes, one of which is mechanical... | 04/16/2002 |
| 6369929 | Method and apparatus for inner face scanning with multi beams There is proposed a method and apparatus for multibeam scanning an inner face of a cylindrical drum, in which scanning lines are straightened under a simple control, and an interval between the scanning lines can be easily changed, thereby simplifying a c... | 04/09/2002 |
| 6369921 | Parity determining apparatus and method A parity determining circuit is used to determine the parity of a binary word. The binary word is represented by a sequence of optical bit slots. Each bit slot defines a respective one of two complementary logical states. The circuit includes: an input pu... | 04/09/2002 |
| 6359717 | Optical scanning apparatus and scanning image forming lens An optical scanning apparatus includes a light source for outputting light, a first lens system arranged to receive the light output from the light source and to transmit a light flux therefrom, an optical deflector arranged to receive the light flux from... | 03/19/2002 |
| 6359212 | Method for testing solar cell assemblies and second surface mirrors by ultraviolet reflectometry for susceptibility to ultraviolet degradation A method for determining the susceptibility of solar cell cover glass or second surface mirror to ultraviolet (UV) degradation comprises the steps of illuminating the solar cell cover glass with ultra violet light at a preselected illumination angle where... | 03/19/2002 |
| 6351325 | Fiber-coupled, angled-dual-axis confocal scanning microscopes for imaging in a scattering medium This invention provides an angled-dual-axis confocal scanning microscope comprising a fiber-coupled, angled-dual-axis confocal head and a vertical scanning unit. The angled-dual-axis confocal head is configured such that an illumination beam and an observ... | 02/26/2002 |
| 6348989 | Scanning image forming lens and optical scanning apparatus A scanning and image forming lens system in an optical scanning apparatus optical scans a surface to be scanned by deflecting a luminous flux emitted from a light source in a direction corresponding to a main scanning direction via an optical deflector at... | 02/19/2002 |
| 6347004 | Optical scanning apparatus and scanning image forming lens An optical scanning apparatus includes a light source for outputting light, a first lens system arranged to receive the light output from the light source and to transmit a light flux therefrom, an optical deflector arranged to receive the light flux from... | 02/12/2002 |
