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US20090310135 |
COMPACT CATADIOPTRIC SPECTROMETER
An optical characterisation system is described for characterising optical material. The system typically comprises a diffractive element ( 104 ), a detector ( 106 ) and an optical element ( 102 )....
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US20090303598 |
Dynamic Optical Grating Device and Associated Method for Modulating Light
A dynamic optical grating device and associated method for modulating light is provided that is capable of controlling the spectral properties and propagation of light without moving mechanical...
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US20090279172 |
MICROELECTROMECHANICAL LAMELLAR GRATING
An optical instrument includes a grating. The grating includes a plurality of plates that form a single first plane. The instrument further includes a mirror surface positioned adjacent to the...
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US20090273772 |
LIGHT REFLECTING MASK, EXPOSURE APPARATUS, AND MEASURING METHOD
A light reflecting mask includes a reflecting layer which is provided on a substrate and reflects light, an absorbing layer which is provided on the reflecting layer and absorbs light, a device...
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US20090237795 |
Anti-Counterfeit Hologram
A microstructure area ( 201 ) providing a first diffractive visual effect is produced on the surface layer ( 240 ) of a paper or cardboard substrate ( 230 ) of a product ( 200 ). In addition, a...
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US20090231711 |
DIFFRACTION GRATING LOW-PASS FILTER
In the diffraction grating low-pass filter, the diffraction grating has a refractive index variation region having a refractive index different from that of the glass substrate and having a lattice...
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US20090225422 |
Transfer of optical element patterns on a same side of a substrate already having a feature thereon
A passive optical element is transferred into a substrate already having features with a vertical dimension thereon. The features may be another passive optical element, an active optical element,...
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US20090190202 |
MEMS MICROMIRROR DEVICES WITH ANTI-REFLECTIVE STRUCTURES
Diffractive patterns are disposed on a MEMS substrate in the gaps between the MEMS micromirrors to reduce backreflection of light leaking through the gaps and reflected by the MEMS substrate. The...
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US20090190458 |
DIFFRACTION ELEMENT AND OPTICAL HEAD DEVICE EQUIPPED THEREWITH
A grating portion has a plurality of convex portions provided on at least one principal plane of a transparent substrate having a first layer containing a first transparent material and a second...
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US20090187350 |
BIOSENSING APPARATUS AND SYSTEM
A bio-sensing system comprises a light source, a bio-sensing apparatus, a detecting platform, and a processing unit. A bio-sensing apparatus further comprising a substrate, a sample with at least...
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US20090180186 |
DIFFRACTIVE OPTICAL ELEMENT AND METHOD FOR MANUFACTURING SAME
A diffractive optical element that can maintain transparency and be molded easily, and a method for manufacturing the same are provided. A diffractive optical element ( 10 ) includes a substrate (...
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US20090180180 |
Sub-pixel optical array
An apparatus for displaying media data comprising digital display and an optical element configured for diffracting a plurality of monochromatic light beams impinging from the display to form a...
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US20090180166 |
Imaging using diffraction optics elements
An apparatus for manipulating a perceived distance of a display. The apparatus comprises a display having an actual distance from a point of view (POV) and a diffractive optics element for...
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US20090180184 |
Stable dielectric gratings implemented by composition striations in paraelectric crystals
Methods for permanently introducing patterns in electro-optic crystals are provided, by forming patterned variations in the composition of the electro-optic crystals [ 28 ], during the crystal...
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US20090180185 |
Minute Structure and its Manufacturing Method
A manufacturing method of a minute structure having fine structures on opposing inner surfaces, includes the steps of forming a first pattern in a surface of a first layer, forming a sacrificial...
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US20090174944 |
A Structural Body, a Method for Forming a Structural Body, an Apparatus for Forming a Structural Body, a Method for Reading a Structural Color and/or Diffraction Light, and a Truth/False Discriminating Method
Decoration of a material is enabled with a high degree of recycling properties while satisfying the requirements for putting a structural color into practical use on the industrial scale....
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US20090161717 |
BRAGG REFLECTOR GRATING
A Bragg reflector grating comprises a plurality of chirped grating sections ( 65 - 72 ), in which at least a first chirped grating section and a second chirped grating section have differing ranges...
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US20090161119 |
MIXING APPARATUS AND DISTANCE MEASURING APPARATUS USING SAME
For the purpose of mixing laser light (P 0 ) from a laser light source ( 18 ), the laser light (P 0 ) is made incident on a first end surface of an optical fiber ( 24 ), and is emitted from a...
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US20090153967 |
OPTICAL SECURITY DEVICE OFFERING 2D IMAGE
The present invention provides for a diffractive element comprising a diffractive optical microstructure consisting of a modulated structure of a diffractive type which upon illumination by...
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US20090147361 |
MICROREPLICATED FILMS HAVING DIFFRACTIVE FEATURES ON MACRO-SCALE FEATURES
An optical film having a substrate and microreplicated features on a major surface of the substrate. The features include microreplicated macro-scale features and one or more microreplicated...
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US20090135704 |
RETAINING BODY AND THE LIKE
The present invention provides a retaining body and the like which adjust a diffraction state of a laser beam using a simple configuration. The retaining body of the invention is a retaining body ...
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US20090122407 |
Structure and Manufacturing Method of the Same
The present invention may provide a structure capable of obtaining a higher difference in refractive indices between that of a transparent material and that of a cavity, than in the past, and a...
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US20090103181 |
Processing Method and Processing Apparatus Using Interfered Laser Beams
Provided are a processing method and a processing apparatus which are capable of suppressing a disturbance attributable to a surface wave in a processing by interfered laser beams, in particular, a...
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US20090098468 |
PHOTO-MASKS AND METHODS OF FABRICATING PHOTONIC CRYSTAL DEVICES
Improved photo-masks for use in fabricating photonic crystal devices are disclosed herein. Methods of making photonic crystal devices, as well as the photonic crystal devices fabricated therefrom,...
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US20090052039 |
OPTICAL DEVICE
An optical device comprises a first optical system, a second optical system, a shading unit, and a diffraction grating. The first optical system transforms incident light to parallel light. The...
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US20090046367 |
REFLECTIVE PLATE, DISPLAY HAVING THE SAME, AND METHOD OF CONTROLLING DISTRIBUTION OF REFLECTED LIGHT
Provided are a reflective plate and a display, and a method of controlling a distribution of reflected light. The reflective plate includes a plurality of diffracting grating cells including...
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US20090040614 |
Dispersive Filter
A dispersive filter includes two dispersion systems with an intermediate slit between them. The two dispersion systems have similar but mirror image dispersion characteristics at the plane of the...
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US20090040613 |
In-Plane Optical Metrology
A structure that is located adjacent to a measurement target on a substrate is used to convert incident radiation from an optical metrology device to be in-plane with the measurement target. The...
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US20090034078 |
OPTICAL IDENTIFICATION ELEMENT HAVING A NON-WAVEGUIDE SUBSTRATE
An optical identification element including a non-waveguide optical substrate. The optical substrate has a volume and includes an inner region surrounded by an outer region. The inner region has an...
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US20090034077 |
Grating with angled output prism face for providing wavelength-dependent group delay
A method and apparatus for dispersion compensation which provides a specified, well-controlled, wavelength-dependent optical path length in a laser or other optical system. A reflection grism-like...
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US20090021832 |
Wideband Diffraction Limited Optical Receiver
Systems and methods are provided for providing wideband diffraction limited performance in an optical receiver. A first lens is constructed from a first material and has a first surface and a...
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US20080316575 |
Aberration correction of optical traps
A method and system for correcting aberrations in a beam of light including correcting for effects from an undiffracted portion of an input beam. The method and system includes (1) a component for...
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US20080291541 |
LIGHT REDIRECTING SOLAR CONTROL FILM
A light redirecting solar control film includes a multilayer film that transmits visible light and reflects infrared light, and a light redirecting layer adjacent to the multilayer film forming a...
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US20080266663 |
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...
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US20080239423 |
Method for preparing hologram recording medium
Two adjacent images are recorded in a state smoothly blended at a boundary portion. On a recording plane Rec, provided is a region M 1 in which an original image Pic(A) is recorded, a region M 2 ...
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US20080232411 |
Bragg Grating Structure
A Bragg grating has a local reflection strength which varies with position along the length of the grating so as to generate a non-uniform wavelength reflection spectrum, enabling compensation for...
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US20080231956 |
DIFFRACTIVE OPTICAL ELEMENT, OPTICAL SYSTEM AND OPTICAL APPARATUS
The diffractive optical element includes two diffraction gratings made of different materials and being in contact with each other at their grating surfaces. The materials satisfy the following...
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US20080204879 |
Miniature Lamellar Grating Interferometer Based on Silicon Technology
A lamellar grating interferometer is described, in which the light beams are collimated and focused onto the grating by means of mirror 9, which at the same time serves for collecting the light...
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US20080198466 |
Method and apparatus for controlling multiple beam spacing
An anamorphic optical element and an adjustment mechanism for selectively rotating the optical element either around an axis substantially in a vertical direction, an axis substantially in an...
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US20080192347 |
High Aspect-Ratio X-Ray Diffractive Structure Stabilization Methods and Systems
A method to stabilize planar nanostructures, for example grating and zone plate lenses that are typically used for directing or focusing x-ray radiation, includes the deposition of a top,...
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US20080186577 |
Optical Scanning Device
An optical scanning device for scanning different formats of optical record carrier. The device includes a first radiation source ( 16 ), a second radiation source ( 70 ) and a third radiation...
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US20080180800 |
Device For Generating an Array of Light Spots
The invention relates to a device for generating a periodical array of light spots from an input light beam, said device comprising—a periodical array of apertures ( 202 ) forming a plurality of...
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US20080174754 |
PHOTO-MASKS AND METHODS OF FABRICATING PERIODIC OPTICAL STRUCTURES
Improved photo-masks for use in fabricating periodic structures are disclosed herein. Methods of making periodic structures, as well as the periodic structures fabricated therefrom, are also...
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US20080170295 |
OPTICAL MATERIAL AND OPTICAL ELEMENT, DIFFRACTION OPTICAL ELEMENT, AND STACKED TYPE DIFFRACTION OPTICAL ELEMENT MOLDED THEREOF
Use of an organic optical material whose Abbe's number (vd) and secondary dispersion (θg,F) satisfy the relationship θg,F≦−2vd×10 −3 +0.59 provides an optical material which causes reduced...
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US20080137161 |
THREE-DIMENSIONAL HOLOGRAPHIC RING TRAPS
A method and system for preparing and using three dimensional optical ring traps. The method and system includes applying a single phase hologram to be able to independently control shape and force...
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US20080094712 |
Close-Bonded Diffractive Optical Element, Optical Material Used Therefore, Resin Precursor And Resin Precursor Composition
A close-contact multi-layer type diffractive optical element having a homogeneous low-refractive-index and high-dispersion resin layer is produced with satisfactory workability. Among two optical...
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US20080094711 |
METHODS AND APPARATUS FOR RECORDING HOLOGRAPHIC GRATINGS
Methods and apparatus to record large-sized, low frequency holographic gratings by using a two-dimensional scanner with a shearing interferometer.
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US20080088930 |
GRATING, NEGATIVE AND REPLICA GRATINGS OF THE GRATING, AND METHOD OF MANUFACTURING THE SAME
A grating of the present invention has a groove cross section shaped, for example, like a sinusoidal wave or a sawtooth other than a laminar shape, and a groove bottom part shaped as a flat form....
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US20080088929 |
Optical element, optical module, optical connector, and optical module manufacturing method
It is to provide an optical element, an optical module, an optical connector, and an optical module manufacturing method that can quickly and very accurately control the amount of outgoing light to...
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US20080088928 |
OPTICAL CONFIGURATIONS FOR ACHIEVING UNIFORM CHANNEL SPACING IN WDM TELECOMMUNICATIONS APPLICATIONS
Optical diffraction configurations provide uniform physical channel spacing in dense wavelength division multiplexing (DWDM) applications. A grating has a dispersed side outputting (or receiving)...
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