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| Number | Title | Issue Date |
| 8098431 | Method and device for generating white in an interferometric modulator display Various embodiments of the invention relate to methods and systems for generating the color white in displays created from interferometric modulators and more specifically, to the generation of the color white through the use of reflected light at two wavelengths. I... | 01/17/2012 |
| 7525730 | Method and device for generating white in an interferometric modulator display Various embodiments of the invention relate to methods and systems for generating the color white in displays created from interferometric modulators and more specifically, to the generation of the color white through the use of reflected light at two wavelengths. I... | 04/28/2009 |
| 7463421 | Method and device for modulating light An Interferometric Modulator (IMod) is a microelectromechanical device for modulating light using interference. The colors of these devices may be determined in a spatial fashion, and their inherent color shift may be compensated for using several optical compensati... | 12/09/2008 |
| 7420738 | Dual membrane single cavity Fabry-Perot MEMS filter A dual membrane, single cavity MEMS Fabry-Perot filter has a cavity that is defined between two mirror structures that are located on separate MEMS membranes. This configuration can yield a number of advantages. First, the membranes will be typically subject to the ... | 09/02/2008 |
| 7394584 | System and method for calculating aerial image of a spatial light modulator A method of calculating an aerial image of a spatial light modulator array includes calculating pair-wise interference between pixels of the spatial light modulator array; calculating effective graytones corresponding to modulation states of the pixels; and calculat... | 07/01/2008 |
| 7385762 | Methods and devices for inhibiting tilting of a mirror in an interferometric modulator Interferometric modulators having a separable modulator architecture are disclosed having a reflective layer suspended from a flexible layer over a cavity. The interferometric modulators have one or more anti-tilt members that inhibit undesirable movement of the ref... | 06/10/2008 |
| 7382515 | Silicon-rich silicon nitrides as etch stops in MEMS manufacture The fabrication of a MEMS device such as an interferometric modulator is improved by employing an etch stop layer between a sacrificial layer and a an electrode. The etch stop may reduce undesirable over-etching of the sacrificial layer and the electrode. The etch s... | 06/03/2008 |
| 7361900 | “I” beam bridge interconnection for ultra-sensitive silicon sensor A bolometer type focal plane is made up of a plurality of silicon sensors. Within each sensor, interconnection between co-planar stages is provided by elongated “I” beam type bridge members having a generally rectangular cross-section including unequal wider (he... | 04/22/2008 |
| 7355714 | Reconfigurable MEMS fabry-perot tunable matrix filter systems and methods An optical apparatus may include a plurality of Fabry-Perot cavities and a controller. The plurality of Fabry-Perot cavities receives an incoming image. The controller controls a group of adjacent Fabry-Perot cavities of the plurality of Fabry-Perot cavities to samp... | 04/08/2008 |
| 7349089 | High transmission multi-wavelength filter and method An optical arrangement and method of filtering include a beam splitter that accepts an incident beam and transmits light from the incident beam of a first polarization and reflects light from the incident beam of a second polarization. The transmitted light is a fir... | 03/25/2008 |
| 7342867 | Optical head device, optical recording device, and optical recording method An object of the present invention is to acquire optimum recording characteristics of an optical recoding medium having multiple data layers, with respect to each of the multiple data layers without increasing learning time required for learning a relation between a... | 03/11/2008 |
| 7343094 | Transmission characteristics evaluation system and pseudo transmission path apparatus thereof A transmission characteristics evaluation system can measure the dispersion tolerance and the insertion loss gradient tolerance at a high precision with reduced number of working steps for the measurement in evaluating the transmission characteristics of an optical ... | 03/11/2008 |
| 7339676 | Optical method and system for the characterization of laterally-patterned samples in integrated circuits Disclosed is a method for characterizing a sample having a structure disposed on or within the sample, comprising the steps of applying a first pulse of light to a surface of the sample for creating a propagating strain pulse in the sample, applying a second pulse o... | 03/04/2008 |
| 7339714 | Variable blazed grating based signal processing A light processing system includes an array of optical signal processing devices. The array of processing devices are operable to receive at least some of a first signal part and to modulate the first signal part based at least in part on a control signal received f... | 03/04/2008 |
| 7338174 | Shutter device and projection type video display Each shading plate comprises a rotating shaft and a driving shaft arranged vertically. First divided shading plate is loosely fitted to and supported by (not adhere to) the rotating shaft and rotates around the shaft. Second divided shading plates are fixed to the r... | 03/04/2008 |
| 7332044 | Fabrication of narrow-band thin-film optical filters A multi-layer thin-film narrow-band filter is fabricated by a process wherein each half of a symmetric stack is deposited under exact conditions, either successively or contemporaneously. The two halves of the filter structure are then combined and bonded together u... | 02/19/2008 |
| 7329853 | Spectrally tunable detector A spectrally tunable optical detector and methods of manufacture therefore are provided. In one illustrative embodiment, the tunable optical detector includes a tunable bandpass filter, a detector and readout electronics, each supported by a different substrate. The... | 02/12/2008 |
| 7319560 | Partitioned-cavity tunable fabry-perot filter A tunable Fabry-Perot filter that is less sensitive to angle of incidence is formed by replacing the cavity (air gap) with a partitioned cavity that has an effective refractive index greater than one. The partitioned cavity includes a pair of partitioned cavity diel... | 01/15/2008 |
| 7317575 | Tunable dispersive optical system A novel dispersion optical system based on at least one grating is provided. The pitches of the grating are linearly modulated so that the incident light is dispersed into different monochromatic light at different diffraction angles. In such a system, an order sort... | 01/08/2008 |
| 7310454 | Photonic bandgap modulator, amplifier, demux, and TDM devices An optical device includes at least two photonic bandgap crystal (PBG) stacks that are each comprised of alternating layers of high and low index materials. A defect region is formed in a cavity region between the at least two photonic bandgap crystal stacks so as t... | 12/18/2007 |
| 7304799 | Tunable optical filter with heater on a CTE-matched transparent substrate An optical device including: a glass substrate; a crystalline silicon layer bonded to the glass substrate; and a thermally tunable thin-film optical filter fabricated on top of the crystalline silicon layer. ... | 12/04/2007 |
| 7305186 | Method and apparatus for scheduling communication using a star switching fabric In one embodiment, a scheduler for use with a star switching fabric includes a scheduling star switching fabric operable to receive a plurality of packets each associated with one of a plurality of wavelengths and a plurality of selecting elements associated with th... | 12/04/2007 |
| 7304798 | Spectroscopic apparatus A spectroscopic apparatus which is compact in size and performs high-precision light-splitting with a large angular dispersion. An optical input-processing section outputs a filtered transmitted light, using a bandpass filter that transmits only wavelength bands at ... | 12/04/2007 |
| 7301704 | Moveable micro-electromechanical device A MEMS device is provided. The MEMS device may include a first plate and a second plate defining a cavity with the first plate. The MEMS device may also include a first transducer configured to cause a first relative movement between the first and second plates and ... | 11/27/2007 |
| 7302189 | Optical component provided with demultiplexing function and wavelength dispersion compensator It is an object of the present invention to provide an optical component provided with a demultiplexing function capable of reducing an insertion loss and downsizing, and a wavelength dispersion compensator using such an optical component. In order to achieve the ob... | 11/27/2007 |
| 7301703 | Tunable filter and method of manufacturing the same, and sensing device A tunable filter including; a fixed substrate provided with a fixed reflecting film and capable of transmitting light having a shorter wavelength than infrared light; a movable substrate provided with a movable section equipped with a movable reflecting film and dis... | 11/27/2007 |
| 7294280 | External cavity semi-conductor laser and method for fabrication thereof The present invention concerns a design for an external cavity single mode laser wherein a short optical path length for the optical cavity (e.g., ˜3 to 25 mm) provides sufficient spacing of the longitudinal modes allowing a single wavelength selective element, suc... | 11/13/2007 |
| 7295365 | Optical gain flattening components, optical chips and optical amplifiers and methods employing same An optical component for gain-flattening multiplexed passband signals amplified with optical pump power, comprises a launch port optical waveguide operative to communicate multiplexed passband signals in a passband wavelength range and optical pump power in a differ... | 11/13/2007 |
| 7289262 | Optical attenuator element, and variable optical equalizer and optical amplifier that use this optical attenuator element Instead of using a demultiplexer to divide an optical signal into different wavelengths, this invention uses a plurality of cascade-connected optical attenuator elements whose attenuation factor and the wavelength characteristics thereof can both be varied. Reflecti... | 10/30/2007 |
| 7286244 | Analyzer An analyzer includes an optical tunable filter 1 for selectively outputting light having a predetermined wavelength, and a PD 421 for receiving light outputted from the optical tunable filter 1 and then passed through or reflected by an object t... | 10/23/2007 |
| 7278760 | Light-emitting electronic component A light-emitting electronic component is described that includes at least one light-emitting element intended for the emission of light with a predetermined spectral distribution, at least one filter element arranged in a beam path of the light with the predetermine... | 10/09/2007 |
| 7280216 | Method and apparatus for determining the wavelength of an input light beam A method and apparatus for measuring the wavelength of an input light beam whereby the input light beam is split into two light beams which are directed through two paths of different optical length. The light beams are interfered with each other in order to form a ... | 10/09/2007 |
| 7269325 | Tunable optical device The present innovation discloses the design, configuration and process of a kind of MEMS-based tunable optical devices. The devices can be classed as dual-cavity of Fabry-Perot resonators, which consist of a first outer membrane, a middle membrane and a second outer... | 09/11/2007 |
| 7268927 | Tunable optical filter array and method of use According to an exemplary embodiment of the present invention, an optical apparatus includes an optical filter array which comprises a plurality of optical filter elements, wherein at least one of the optical filter elements is adapted for tuning to two or more wave... | 09/11/2007 |
| 7265429 | System and method of fabricating micro cavities A system and method for manufacturing micro cavities at the wafer level using a unique, innovative MEMS (MicroElectroMechanical Systems) process, wherein micro cavities are formed, with epoxy bonded single-crystalline silicon membrane as cap and deposited and/or ele... | 09/04/2007 |
| 7265477 | Stepping actuator and method of manufacture therefore An embodiment of the present invention provides a stepping actuator, comprising a suspended membrane comprising a plurality of movable electrodes connected by plurality of spring hinges to a payload platform; and anchors connecting said membrane to a substrate, said... | 09/04/2007 |
| 7263257 | Gires-Tournois etalons and dispersion compensation A first embodiment of the invention provides a Gires-Tournois etalon (DGTE) 20 comprising a cladding mode suppressed optical fibre 22, including an etalon section 24 in which a weakly reflective optical waveguide grating 26 and a strongly... | 08/28/2007 |
| 7263288 | Optical routing using a star switching fabric In one embodiment, a router includes a plurality of line cards each operable to receive at least one packet comprising an identifier associated with a destination element external to the router. Each line card includes a look-up table operable to facilitate routing ... | 08/28/2007 |
| 7260655 | Optical routing using star switching fabric with reduced effective switching time In one embodiment, a router includes a star switching fabric operable to receive a plurality of optical signals each having a wavelength and each associated with a payload received by the router and to communicate from the switching fabric a plurality of substantial... | 08/21/2007 |
| 7258451 | Optical projection device and adjusting method thereof An optical projection device including an illumination system, a reflective light valve and a projection lens is provided. The adjustable reflection sheet is disposed behind the adjustable rod integrator along the light transmission path of the light beam. In additi... | 08/21/2007 |
