|
Match
|
Document |
Document Title |
|
|
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...
|
|
|
7589895 |
Polarizing element and optical system including polarizing element
A polarizing element usable for two wavelengths in a predetermined wavelength region and having a simple structure. The polarizing element has a two-layer structure in which a grid pattern of a...
|
|
|
7589896 |
Optical pulse-width modifier structure
An optical pulse-width modifier structure includes a first diffraction grating and an optically unpowered reversing mirror. An optical path extends between the first diffraction grating and the...
|
|
|
7583439 |
Wide-angle and broadband polarization converter
Apparatus and methods for a polarization converter comprising a polarization beam splitter for receiving an input light beam and allows a transverse magnetic to pass through the polarization beam...
|
|
|
7576926 |
Spill light removing device
A spill light removing device includes a first blocker which is located perpendicularly to a stream route of light being irradiated from a light source and blocks a stream of light that is incident...
|
|
|
7557990 |
Method and apparatus for a Bragg grating tunable filter
The present invention relates to tunable filters. More specifically, the present invention pertains to a method and apparatus that allows tuning of a wavelength over a large optical band. The...
|
|
|
7518722 |
Multi-channel, multi-spectrum imaging spectrometer
A multi-spectrum, multi-channel imaging spectrometer includes two or more input slits or other light input devices, one for each of two or more input channels. The input slits are vertically and...
|
|
|
7491021 |
Surface relief grating image machining process and product
A product with a surface relief grating (SRG) image effect has a surface with rotational cuts effected therein to create the SRG image effect. The SRG image has an effect based on a rotational...
|
|
|
7485847 |
Displacement sensor employing discrete light pulse detection
Optical sensors, and methods for operating optical sensors, are disclosed. One such sensor may include: a reflector positioned a distance from a reflective diffraction grating and a light source...
|
|
|
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...
|
|
|
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...
|
|
|
7424182 |
Wavelength selection switch
A wavelength selection switch includes a diffraction grating that spectrally separates entering light, a focusing optical system that receives the light spectrally separated by the diffraction...
|
|
|
7420720 |
Optical element and method for the production thereof
A method for producing an optical element, preferably a security feature, wherein a film having a first embossed hologram in an embossing layer is provided, and a second embossed hologram is...
|
|
|
7379241 |
High efficiency phase grating having a planar reflector
An apparatus for processing electromagnetic radiation. The apparatus comprises a dielectric reflector, a plurality of ridges disposed on the dielectric reflector and a plurality of grooves disposed...
|
|
|
7376305 |
Echelle gratings with low Polarization Dependent Loss (PDL) using metal coating on the reflecting facets only
An Echelle grating has alternate first ( 1 a ) and second ( 1 b ) sets of facets ( 1 ). The first set of facets ( 1 a ) is operative to reflect incident light ( 4 ) for diffraction and the second...
|
|
|
7372607 |
Apparatus for reducing drops in a transmission spectrum due to inter-pixel gaps
The invention includes an apparatus for modulating an optical signal. The apparatus includes a spatial dispersion mechanism and a modulating mechanism. The spatial dispersion mechanism spatially...
|
|
|
7333127 |
Image recording apparatus and image recording method using diffraction grating type light modulator
In an image recording apparatus for recording an image by guiding zeroth order diffracted light beams from a plurality of diffraction grating type light modulator elements as signal beams to 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...
|
|
|
7315419 |
Dispersive element, diffraction grating, color display device, demultiplexer, and diffraction grating manufacture
In a transmission grating as a dispersive element, diffraction efficiency is enhanced and manufacturing costs are considerably reduced. A dispersive element includes resin members for forming a...
|
|
|
7312878 |
Method for manufacturing a scale, a scale manufactured according to the method and a position measuring device
In a method for producing a scale in the form of a phase grating, the scale itself, and a position measuring device including the scale, the scale includes two reflection layers located at a...
|
|
|
7304797 |
Inputs and outputs for an optical multiplexer/demultiplexer utilizing the grating facet diffraction envelope
The invention relates to a planar waveguide reflective diffraction grating for use in an optical device, such as a wavelength division multiplexer, providing an increased bandwidth over...
|
|
|
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...
|
|
|
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...
|
|
|
7271957 |
Computer-generated hologram and its fabrication process, reflector using a computer-generated hologram, and reflective liquid crystal display
The invention provides a computer-generated hologram which can be viewed in white at the desired viewing region and a reflective liquid crystal display using the same as a reflector. The...
|
|
|
7271958 |
Diffractive light modulator
The present invention relates to diffractive light modulators and, more particularly, to a diffractive light modulator in which the lower support for mirrors is configured in consideration of the...
|
|
|
7253933 |
Apparatus and method for the temporal profiling of short laser pulses with thick Bragg gratings
A system and/or method for temporal profiling of an incident laser pulse. The system and/or method includes a laser beam source for providing the incident laser pulse and a Bragg grating (BG)...
|
|
|
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...
|
|
|
7245432 |
Dual diffraction-grating device
A diffraction grating device ( 100 ) has both reflecting ( 108 ) and transmitting ( 106 ) gratings inter leaved to allow both transmission diffraction patterns and reflection diffraction patterns...
|
|
|
7237940 |
Light guide plate with subwavelength grating and backlight module using the same
A light guide plate ( 30 ) has a light incident surface ( 305 ) for receiving light, a light emitting surface ( 301 ) for emitting light, a bottom surface ( 303 ) opposite to the light emitting...
|
|
|
7233444 |
Light diffraction optical method, with corresponding optical system and device
An optical system comprises a Bragg reflector configured to diffract incident light having a wavelength between about 0.1 nm and about 0.7 nm. The optical system also comprises a diffraction...
|
|
|
7233443 |
Arrangement for WDM multiplexing and demultiplexing
An arrangement for dispersing light comprises a blazed diffraction grating and a mirror. The blazed diffraction grating comprises a grating plane and a multiplicity of blazed facets. Each blazed...
|
|
|
7227690 |
Layer arrangement provided with a structure producing a diffractive optical effect and a lens-type effect
A layer arrangement is proposed, particularly for transfer films or laminated films, which exhibits at least two superposed synthetic resin layers, between which there is provided an interface...
|
|
|
7221508 |
Reflex-type screen
The reflex-type screen includes an aluminum film reflecting layer for reflecting incident light, a lower adhesive layer which is made of adhesive agent, a polarization layer for transmitting the...
|
|
|
7220021 |
Compact color illumination device
The present invention provides a compact color illumination device ( 100 ) for emitting collimated light. The illumination device comprises a reflector cup ( 102 ), a blazed diffraction grating (...
|
|
|
7218449 |
Optical device for scanning an optical record carrier
An optical device for scanning an optical record carrier ( 20 ) has a radiation source ( 25 ) that can emit two radiation beams of different wavelength along different optical paths ( 28, 29 ). The...
|
|
|
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...
|
|
|
7210803 |
Optical system, display optical system and image-taking optical system
An optical system is disclosed with which higher magnification can be easily achieved and aberrations can be favorably corrected, yet is compact. The optical system includes a plurality of optical...
|
|
|
7209290 |
Diffractive thin-film piezoelectric micromirror and method of producing the same
Disclosed is a diffractive micromirror and a method of producing the same. More particularly, the present invention pertains to a diffractive micromirror, in which a recess having a desired depth...
|
|
|
7196343 |
Optical element, lithographic apparatus including such an optical element, device manufacturing method, and device manufactured thereby
An optical element including an anti-reflection (AR) coating is configured to reflect Extreme-Ultra-Violet (EUV) radiation only.
|
|
|
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...
|
|
|
7164534 |
Diffuser plate and method of making same
An electromagnetic radiation diffuser, operative at extreme ultraviolet (EUV) wavelengths, is fabricated on a substrate. The diffuser comprises a randomized structure having a peak and valley...
|
|
|
7151635 |
Planar waveguide reflective diffraction grating
The invention relates to a planar waveguide reflective diffraction grating for use in an optical device, such as a wavelength division multiplexer, providing an increased bandwidth over...
|
|
|
7149013 |
Optical element and method for the production thereof
A method for producing an optical element, preferably a security feature, wherein a film having a first embossed hologram in an embossing layer is provided, and a second embossed hologram is...
|
|
|
7139128 |
Diffraction grating having high throughput efficiency
A reflective diffraction grating having grooves and ridges and providing high throughput efficiency in the minus-first diffraction order. All but the zeroth diffraction order and the minus-first...
|
|
|
7116481 |
Optical component
A tunable optical resonator for use as a tunable laser or optical filter comprising a cavity in which the cavity is delimited by a reflection grating and a reflector in which the reflection grating...
|
|
|
7113320 |
GLV based fiber optic transmitter
A communications transmitter is disclosed that utilizes a grating light valve (GLV) to impose information on an optical signal. The communications transmitter further includes at least one laser...
|
|
|
7109472 |
Scale for reflective photoelectric encoder and reflective photoelectric encoder
In a scale for a reflective photoelectric encoder in which a reflective film is not formed on the side faces of phase gratings, an edge angle θ of the phase grating is set larger than 80 degrees...
|
|
|
7106512 |
Wavelength selective switching device and method for selectively transmitting optical signals based on wavelength
A wavelength selective switching device and method for selectively transmitting optical signals based on wavelength utilizes diffraction to spatially separate the optical signals of different...
|
|
|
7102823 |
Diffractive security element having an integrated optical waveguide
A diffractive security element ( 2 ) is divided into surface portions, having an optically effective structure ( 9 ) at interfaces embedded between two layers of a layer composite ( 1 ) of plastic...
|