|
Match
|
Document |
Document Title |
|
|
7630135 |
Two-dimensional blazed MEMS granting
A method for assuring a blazed condition in a DMD device used in telecommunications applications. By meeting certain conditions in the fabrication and operation of the DMD, the device can achieve a...
|
|
|
7619820 |
Dot matrix holograms with spatially varying period
A diffractive unit which can reduce the effect of the nonlinearity of the photo-resist recording material to produce a diffractive device with brilliant color, and describes a method for recording....
|
|
|
7595931 |
Grating for EUV lithographic system aberration measurement
A grating includes an absorptive substrate and a plurality of reflective lines on the absorptive substrate. Each reflective line is formed by a plurality of reflective areas. The reflective areas...
|
|
|
7563011 |
Light panel
The invention relates to a light panel, comprising a light source ( 1 ) and a panel element ( 2 ). The panel element is manufactured from a substantially transparent material for transmitting light...
|
|
|
7502168 |
Optical device and image display apparatus
An optical device includes a light guide plate, and first and second reflective volume hologram diffraction grating members. The first member has interference fringes extending from therewithin...
|
|
|
7483604 |
Diffractive grating element for balancing diffraction efficiency
A diffractive grating element is divided into at least two different grating regions each having different diffractive properties and arranged on opposite sides with respect to a transition point...
|
|
|
7463419 |
Optoelectronic sensor
The invention relates to an optoelectronic sensor comprising an integrated arrangement of a plurality of light emitting diodes arranged in the region of an optical receiving system for the...
|
|
|
7460302 |
Dynamic optical devices
The invention provides an optical device, including a light-transmissive substrate, and a pair of different, parallel gratings including a first grating and a second grating, located on the...
|
|
|
7453644 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Grating for EUV lithographic system aberration measurement
A grating includes an absorptive substrate and a plurality of reflective lines on the absorptive substrate. Each reflective line is formed by a plurality of reflective areas. The reflective areas...
|
|
|
7440188 |
Diffractive optical element
A conventional diffractive optical element (DOE), which consists of repetition of a unit pattern , has an advantage of applicability of the Fast Fourier Transform algorithm to calculate...
|
|
|
7437036 |
Optical device and method for manufacturing the same
A method for manufacturing an optical device is provided. The device includes an optical waveguide path having a Bragg grating and a movable portion disposed near the Bragg grating. A displacement...
|
|
|
7420737 |
Reconfigurable zone plate lens
A reconfigurable zone plate lens is disclosed. Some embodiments may include a central annular element having a first a first circumference centered about a central axis. Embodiments may also...
|
|
|
7361878 |
Image display apparatus and image pickup apparatus with two dimensional scanning
An image forming apparatus with a light source unit emitting a light beam optically modulated based on image/video information, a scanning unit for scanning the light beam emitted from the light...
|
|
|
7348104 |
System and method for fabrication and replication of diffractive optical elements for maskless lithography
A method is disclosed for forming an array of focusing elements for use in a lithography system. The method involves varying an exposure characteristic over an area to create a focusing element...
|
|
|
7339738 |
Nanomechanical near-field grating apparatus and acceleration sensor formed therefrom
A nanomechanical near-field grating device is disclosed which includes two sub-gratings vertically spaced by a distance less than or equal to an operating wavelength. Each sub-grating includes a...
|
|
|
7327508 |
Display device using light modulator and having improved numerical aperture of after-edge lens system
A display device using a light modulator and having an improved numerical aperture (NA) of an after-edge lens system is disclosed. The display device includes an illumination lens, a diffractive...
|
|
|
7324282 |
Apparatus, system and method for applying optical gradient forces
The present invention relates to a system of applying optical gradient forces to form a plurality of optical traps to manipulate small particles. The system includes a light source for generating a...
|
|
|
7319553 |
Optical modulator module package structure
Disclosed herein is an optical modulator module package structure. In the optical modulator module package structure, an optical modulator device and a drive integrated circuit device are flip-chip...
|
|
|
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...
|
|
|
7289258 |
Light modulator having variable blaze diffraction grating
The present invention relates, in general, to a light modulator having a variable blaze diffraction grating and, more particularly, to a light modulator having a variable blaze diffraction grating,...
|
|
|
7286292 |
Configurable diffractive optical element
This invention relates to a configurable diffractive optical element comprising an array of diffractive sub-elements having a reflective surface, wherein each sub-element has a controllable...
|
|
|
7277640 |
Optical add/drop multiplexing systems
The present invention overcomes problems associated with switch isolation, noise and crosstalk suppression, insertion loss, spurious reflections, wavelength tolerance, and compactness that are...
|
|
|
RE39865 |
Method of fabricating Bragg gratings using a silica glass phase grating mask and mask used by same
An index grating is imprinted in the core of an optical fiber using a specially designed silica glass phase grating mask. The phase mask is held in close proximity to the optical fiber. Laser...
|
|
|
7248408 |
Color display apparatus using one panel diffractive-type optical modulator
Disclosed herein is a color display apparatus using a one-panel diffractive-type optical modulator. The color display apparatus includes a plurality of light sources, an illumination lens system, a...
|
|
|
7245407 |
Complex objective lens compatible with information media of different thicknesses
A complex objective lens composed of a hologram and an objective lens, capable of realizing stable and high-precision compatible reproducing/recording of a BD with a base thickness of about 0.1 mm...
|
|
|
7215461 |
MEMS devices with increased damping for suspended movable structures
In one embodiment, a light modulator includes a substrate and a number of modulator elements disposed above and spaced apart from the substrate. Each modulator element has an optically active...
|
|
|
7192175 |
Backlighting light pipe for illuminating a flat-panel display
A light pipe includes a surface provided with a pattern that has diffractive properties, where the pattern has uniform, mutually different areas on the surface such that some of the areas are...
|
|
|
7190521 |
Space-variant subwavelength dielectric grating and applications thereof
An optical device includes a planar subwavelength grating ( 10 ) formed in a dielectric material and having a laterally varying, continuous grating vector. When used to modulate a beam of laterally...
|
|
|
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...
|
|
|
7173764 |
Apparatus comprising a tunable nanomechanical near-field grating and method for controlling far-field emission
A tunable nanomechanical near-field grating is disclosed which is capable of varying the intensity of a diffraction mode of an optical output signal. The tunable nanomechanical near-field grating...
|
|
|
7149016 |
Optical element and scanning optical system having the same and image forming apparatus
An optical element that can reduce Fresnel (surface) reflection on a lens surface to be a cause of flare or ghost, and a scanning optical system having the same are provided. A microstructure...
|
|
|
7145722 |
Optical filter and method of manufacturing thereof
Novel structure of the optical elements (i.e. filter) to be operated in the long, mid, and near infrared wavelengths of lights is provided. The filter can offer very narrow linewidth, and high...
|
|
|
7136227 |
Fresnel zone plate based on elastic materials
A dynamically variable, amplitude grating based diffractive optic including: a substantially transmissive, elastic substrate; a substantially opaque, elastic material formed in a predetermined...
|
|
|
7126686 |
Spectral image measurement apparatus and method using the same
A spectral image measurement apparatus comprises: a spectral element array; a spectral element drive section for driving the elements; an inlet-side optical system for guiding a light to the...
|
|
|
7123415 |
Optical instrument and optical element providing expanded exit pupil
The invention provides an optical instrument including means ( 1, 2 ) to produce an optical image to be viewed by an observer including a diffractive element ( 7 ) located at an intermediate focal...
|
|
|
7114820 |
Backlighting light pipe for illuminating a flat-panel display
The invention relates to a new light pipe ( 313 ) for providing backlighting ( 312 ) of a flat-panel display ( 311 ) by means of at least one light source so that the light pipe has at least one...
|
|
|
7110180 |
Diffraction grating, method of fabricating diffraction optical element, optical pickup device, and optical disk drive
A diffraction grating with periodically arranged protrusions and grooves at a relatively narrow pitch and improved diffraction efficiency is disclosed. The protrusions of the grating are made of a...
|
|
|
7102803 |
Apparatus and method of using a thermal design for wavelength division multiplexed holographic filters
A temperature compensated apparatus for filtering light is comprised of a holographically recorded grating defined in a photosensitive layer for providing optical filtration for light incident on...
|
|
|
7099086 |
Wavelength division multiplexing system and method using reconfigurable diffraction grating
An improvement in a wavelength division multiplexer and/or a dense wavelength division multiplexer (WDM/DWDM) is achieved by incorporating an electronically reconfigurable diffraction grating...
|
|
|
7085062 |
Apparatus for shaping a light beam
The invention relates to an apparatus for shaping a light beam, having at least two optically functional boundary surfaces that are arranged one behind another in the propagation direction (z) of...
|
|
|
7075615 |
Light separation device, blazed grating device, diffraction grating device, and illumination optical system
A thin and light optical device satisfactorily separates light components having different properties. A blazed grating is formed on a surface of a flat-plate-shaped transparent substrate, and a...
|
|
|
7072114 |
Optical pickup using an optical phase plate and which is compatible with optical recording media of different types
An optical pickup apparatus having laser light sources emit a first light beam having a relatively shorter wavelength for a DVD and a second light beam having a longer wavelength for a CD-R, an...
|
|
|
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...
|
|
|
7042625 |
Light modulator having digital micro blaze diffraction grating
Disclosed is a light modulator having a digital micro blaze diffraction grating. In the light modulator, a fine protrusion is formed on an edge of a lower surface of a diffraction member so that a...
|
|
|
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....
|
|
|
7019883 |
Dynamic optical filter having a spatial light modulator
An dynamic optical filter 10 is provided to selectively attenuate or filter a wavelength band(s) of light (i.e., optical channel(s)) or a group(s) of wavelength bands of an optical WDM input...
|
|
|
7002746 |
Security element comprising macrostructures
A security element for sticking onto a document comprises a layer composite of plastic material and has embedded, optically effective structures of a pattern . The optically effective structures in...
|
|
|
6987616 |
Light reflection/diffraction device, light reflection/diffraction device array, and image display
A light reflection and diffraction element for enhancing the contrast of an image display device. In an off state of the element, a portion exhibiting a cyclic structure for diffracting incident...
|
|
|
6985294 |
Full spectrum color projector
An apparatus providing full spectrum electronic images includes a full-spectrum light source, a programmable diffraction grating to separate light from the source into its spectral components, a...
|