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7391973 Two-stage gain equalizer  
An apparatus for selectively adjusting power levels of component signals of a wavelength division multiplexed signal. The apparatus comprises a first filter and a second filter. The first filter...
7369294 Ornamental display device  
An ornamental display device having an interferometric modulator for displaying an ornamental image. The ornamental device may have a patterned diffuser formed on a transparent substrate to provide...
7317568 System and method of implementation of interferometric modulators for display mirrors  
A specular interferometric modulator array is configured to be at least partially selectably reflective. As such, the array forms a mirror surface having the capability of displaying information to...
7286764 Reconfigurable modulator-based optical add-and-drop multiplexer  
An optical add and drop multiplexer system comprising a first module for providing a first signal; a second module for providing a second signal; and a modulator for receiving a channel of the...
7280265 Interferometric modulation of radiation  
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...
7177081 High contrast grating light valve type device  
A grating light valve has with a plurality of spaced reflective ribbons are spatially arranged over a substrate with reflective surfaces. The grating light valve is configured to optimized the...
7138984 Directly laminated touch sensitive screen  
A touch screen display having a touch screen directly coupled to a display is described herein. The display may be an interferometric modular display. The touch screen may be directly laminated to...
7081928 Optical system for full color, video projector using single light valve with plural sub-pixel reflectors  
A full color video projector system using a light source and a single light valve. The output of the light source passes through a condenser lens. The lens is directed toward a splayed array of...
7068372 MEMS interferometer-based reconfigurable optical add-and-drop multiplexor  
The interferometer comprises a beam splitter, a mirror and a phase modulator. The beam splitter splits a signal into a first portion and a second portion. The mirror reflects the first portion. The...
7057819 High contrast tilting ribbon blazed grating  
The light modulator includes elongated elements and a support structure coupled to the elongated elements. Each element includes one or more lengthwise slits within an active optical area, and a...
7057795 Micro-structures with individually addressable ribbon pairs  
An optical MEM devices which utilizes individually addressable ribbon pairs configured to modulate light is disclosed. The ribbon pairs preferably comprise silicon nitride with a reflective...
7054515 Diffractive light modulator-based dynamic equalizer with integrated spectral monitor  
An integrated device of the present invention comprises free-space optics, a bi-directional multiplexor/de-multiplexor, a diffractive light modulator, a beam splitter, an optical performance...
7049164 Microelectronic mechanical system and methods  
The current invention provides for encapsulated release structures, intermediates thereof and methods for their fabrication. The multi-layer structure has a capping layer, that preferably comprises...
7042611 Pre-deflected bias ribbons  
A modulator for and a method of modulating an incident beam of light including means for supporting a plurality of active elements and a plurality of bias elements, each active and bias element...
7027202 Silicon substrate as a light modulator sacrificial layer  
An optical MEM device is fabricated with a patterned device layer formed on a silicon wafer. Preferably, the patterned device layer is patterned with plurality of ribbons and/or access trenches....
6991953 Microelectronic mechanical system and methods  
The current invention provides for encapsulated release structures, intermediates thereof and methods for their fabrication. A multi-layer structure has a capping layer, that preferably comprises...
6987600 Arbitrary phase profile for better equalization in dynamic gain equalizer  
A device for selectively adjusting power levels of component signals of a wavelength division multiplexed signal including a first wavelength signal and a second wavelength signal. The device...
6956995 Optical communication arrangement  
An arrangement for optical communication comprises an optical coupler, an opto-electronic board, and an optical fiber. The optical fiber comprises a first refraction surface, a second refraction...
6956878 Method and apparatus for reducing laser speckle using polarization averaging  
A method and apparatus for reducing speckle uses polarization averaging. A polarizing beam splitter divides a first polarized laser output into a second polarized laser output and a third polarized...
6947613 Wavelength selective switch and equalizer  
A device comprising a light modulator including a plurality of elements wherein each element is selectively operable such that the plurality of elements are dynamically configurable to combine...
6934070 Chirped optical MEM device  
A light modulator comprises a series of ribbons divided by a series of gaps. Sequences of consecutive ribbons and gaps are grouped together to form a plurality of pixels that are configured to...
6928207 Apparatus for selectively blocking WDM channels  
An apparatus for selective blocking WDM channels comprises a light modulator, a diffraction grating, and a transform lens. The light modulator comprises an array of pixels. Each pixel of the light...
6927891 Tilt-able grating plane for improved crosstalk in 1×N blaze switches  
A light modulator includes elongated elements arranged parallel to each other. Each elongated element includes a light reflective planar surface with the light reflective planar surfaces configured...
6922273 PDL mitigation structure for diffractive MEMS and gratings  
A modulator for modulating an incident beam of light. The modulator includes a plurality of elements, each element including a first end, a second end, a first non-linear side, a second non-linear...
6922272 Method and apparatus for leveling thermal stress variations in multi-layer MEMS devices  
A MEMS device such as a grating light valve™ light modulator is athermalized such that the force required to deflect the movable portion of the MEMS device remains constant over a range of...
6908201 Micro-support structures  
A MEM device in accordance with the invention comprises one or more movable micro-structures which are preferably ribbon structures or cantilever structures. The ribbon structures or cantilever...
6898020 Image display device  
A single plate type optical unit and display device to utilize light with high efficiency in a simple method is configured so a dichroic mirror separates light into a plurality of colors, and the...
6872984 Method of sealing a hermetic lid to a semiconductor die at an angle  
The current invention provides a optical MEM device and system with an angled lid for hermetically sealing an active MEMS structure. The lid is sealed through an asymmetric seal formed with sealing...
6865346 Fiber optic transceiver  
A fiber optic transceiver capable of bi-directional communication comprises an incoming optical (downlink) signal, a detector comprising a detecting surface configured to detect a detected portion...
6829258 Rapidly tunable external cavity laser  
An external cavity laser comprises a laser source, a collimation optical element, a blazed diffraction grating, a transform optical element, and a light modulator. The laser source produces a light...
6829092 Blazed grating light valve  
A light modulator includes elongated elements arranged parallel to each other. In a first diffraction mode, the light modulator operates to diffract an incident light into at least two diffraction...
6829077 Diffractive light modulator with dynamically rotatable diffraction plane  
A light modulator includes elongated elements and a support structure. The elongated elements are arranged in parallel. Each element includes a light reflective planar surface with the light...
6822797 Light modulator structure for producing high-contrast operation using zero-order light  
An optical system provides high-contrast operation by collecting zero order light. The optical system comprises a light modulator and a collector. The light modulator is preferably a grating light...
6813059 Reduced formation of asperities in contact micro-structures  
A device comprising movable micro-structures configured to contact a substrate is disclosed. The substrate has a metal-insulator-metal construction with an upper metal layer and an insulator being...
6806997 Patterned diffractive light modulator ribbon for PDL reduction  
A modulator for modulating an incident beam of light. The modulator includes a plurality of elements, each element including a first end, a second end, a first linear side, a second linear side,...
6801354 2-D diffraction grating for substantially eliminating polarization dependent losses  
A 2D diffraction grating light valve modulates an incident beam of light. A plurality of elements each have a reflective surface with their respective reflective surfaces substantially coplanar....
6800238 Method for domain patterning in low coercive field ferroelectrics  
A method for domain patterning of nonlinear ferroelectric materials. The method seeks to reduce the formation of random and spontaneous micro-domains that typically result during thermal cycling of...
6782205 Method and apparatus for dynamic equalization in wavelength division multiplexing  
An adjustable diffractive light modulator is used to equalize the power level of wavelength multiplexed signals in wavelength division multiplexing applications. An optical channel transmits a...
6767751 Integrated driver process flow  
An integrated device including one or more device drivers and a diffractive light modulator monolithically coupled to the one or more driver circuits. The one or more driver circuits are configured...
6764875 Method of and apparatus for sealing an hermetic lid to a semiconductor die  
A method and apparatus of hermetically passivating a semiconductor device includes sealing a lid directly onto a semiconductor substrate. An active device is formed on the surface of the substrate...
6747781 Method, apparatus, and diffuser for reducing laser speckle  
A method of reducing speckle includes dividing a laser illuminated area into phase cells, subdividing the phase cells into cell partitions, and applying a temporal phase variation to the cell...
6728023 Optical device arrays with optimized image resolution  
Optical devices comprising addressable pixels are tiled in an array configured for generating an image line. The addressable pixels are grouped into center pixels and addressable sub-pixels are...
6712480 Controlled curvature of stressed micro-structures  
The current invention is directed to optical MEM devices and methods for making the same. MEM devices, in accordance with the current invention, have one or more movable micro-structures which are...
6462879 Optical writing device and image forming apparatus and method using the same  
The present invention relates to an optical writing device and an image forming apparatus and method in which the optical writing device is provided. In the optical writing device of the invention,...
6204080 Method for manufacturing thin film actuated mirror array in an optical projection system  
A method for manufacturing a thin film AMA is disclosed. The second sacrificial layer is formed by using amorphous silicon, poly silicon or a material having fluidity and the first sacrificial...
6030083 Array of thin film actuated mirrors for use in an optical projection system and method for the manufacture thereof  
An array of M×N thin film actuated mirrors for use in an optical projection system comprises an active matrix, an array of M×N thin film actuating structures, each of the thin film actuating...
5984481 Array of thin film actuated mirrors for use in an optical projection system and method for the manufacture thereof  
An array of M×N thin film actuated mirrors for use in an optical projection system comprises an active matrix, an array of M×N thin film actuating structures, and an array of M×N mirror layers...
5960133 Wavelength-selective optical add/drop using tilting micro-mirrors  
An optical switch particularly usable as a wavelength-division add/drop multiplexer (WADM) in a multi-wavelength communication system. Four multi-wavelength beams optically coupled to the input,...
5936757 Thin film actuated mirror array  
There is provided an array of M×N thin film actuated mirrors for use in an optical projection system comprising an active matrix, an array of M×N thin film actuating structures, each of the thin...
5920421 Thin film actuated mirror array in an optical projection system and method for manufacturing the same  
Thin film AMA in an optical projection system and a method for manufacturing the same are disclosed. The thin film AMA has an active matrix having electrical wiring and a connecting terminal, a...
Matches 1 - 50 out of 71 1 2 >