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US20130107366 EMBEDDED GRATING STRUCTURE  
An optical device comprising an optical grating structure embedded between media of substantially the same optical refractive index, the structure having an optical coating at the interface...
US20130107368 DIFFRACTIVE PIGMENT BLEND AND COMPOSITION  
A diffractive pigment blend or composition is provided which includes a plurality of groups of all-dielectric diffractive pigment flakes. The pigment flakes of each group each include one or more...
US20110013284 DIFFRACTIVE OPTICAL ELEMENT CONTAINING GRATING SURFACE AND GRATING WALL SURFACE, AND OPTICAL SYSTEM HAVING THE SAME  
A diffractive optical element has higher diffraction efficiency of diffracted light of a designed order in a visible wavelength range. The diffractive optical element includes a diffraction...
US20100246005 Encoded particle having a grating with variations in the refractive index  
Microparticles 8 includes an optical substrate 10 having at least one diffraction grating 12 disposed therein. The grating 12 having a plurality of colocated pitches Λ which represent a unique...
US20110273775 DIFFRACTIVE OPTICAL ELEMENT AND OPTICAL DEVICE  
A diffractive optical element includes a first optical member including a first diffraction grating; and a second optical member including a second diffraction grating and arranged so that the...
US20130093936 ENERGY DISPERSION DEVICE  
The invention provides an energy dispersion device, spectrograph and method that can be used to evaluate the composition of matter on site without the need for specialized training or expensive...
US20110317268 ZERO-ORDER DIFFRACTIVE PIGMENTS  
The present invention relates to pigments comprising or consisting of a layer made of a material with an index of refraction that is higher than the index of refraction of the adjacent material by...
US20140211314 EFFICIENCY OF A DEEP GRATING  
Several techniques are provided to reduce the spurious reflection generated at the exit surface of a transmission grating. In one embodiment the exit surface of the grating is not parallel with...
US20150253570 Optical device with diffractive grating  
The invention relates to optical devices comprising a transparent substrate and a first transparent grating layer on the substrate, the grating layer comprising periodically alternating zones...
US20110038390 MULTI-PLATE COMPOSITE VOLUME BRAGG GRATINGS, SYSTEMS AND METHODS OF USE THEREOF  
Variations of composite volume Bragg grating devices and methods for creating same are disclosed. Also, variations of chirped pulse amplification laser systems, and system portions, that make use...
US20140139923 DIFFRACTION OPTICAL ELEMENT AND MANUFACTURING METHOD THEREFOR  
A diffractive optical element disclosed in the present application includes: a base which is made of a first optical material containing a first resin and which has a diffraction grating in its...
US20110304917 DIFFRACTIVE OPTICAL ELEMENT, OPTICAL SYSTEM, AND OPTICAL APPARATUS  
A diffractive optical element used as a lens of an optical system includes a first diffractive grating that includes a first grating surface and a first grating wall surface, a reflective member...
US20120120494 DIFFRACTIVE OPTICAL ELEMENT AND IMAGE PICKUP OPTICAL SYSTEM  
A diffractive optical element that is used for an optical system includes a first diffraction grating and a second diffraction grating. The first and second diffraction gratings are disposed in...
US20110059538 DIFFRACTION GRATINGS COMPRISING POROUS MATERIALS AND DIFFRACTION-BASED SENSORS COMPRISING POROUS MATERIALS  
Diffraction gratings comprising a substrate with protrusions extending therefrom. In one embodiment, the protrusions are made of a porous material, for example porous silicon with a porosity of...
US20130107335 OPTICALLY VARIABLE SECURITY DEVICE AND METHOD  
A security device comprising at least first and second superposed optically variable effect generating structures (3-5, 31-51), each having a surface relief microstructure, the second optically...
US20100165465 Color Distribution in Exit Pupil Expanders  
The specification and drawings present a new apparatus and method for providing color separation in an exit pupil expander system that uses a plurality of diffractive elements for expanding the...
US20140131586 Phase Grating For Mask Inspection System  
Spectral Purity Filters, or SPFs, are disclosed. Such SPFs are designed to block out the 1030 nm drive laser and other undesired out of band light in a EUV mask inspection system. Different phase...
US20090257126 ZERO-ORDER DIFFRACTIVE PIGMENTS  
The present invention relates to pigments comprising or consisting of a layer made of a material with an index of refraction that is higher than the index of refraction of the adjacent material by...
US20120206812 LAMINATED DIFFRACTIVE OPTICAL ELEMENT AND OPTICAL SYSTEM  
The laminated diffractive optical element includes plural diffraction gratings 21, 22 and 23 laminated with each other, the respective diffraction gratings being formed of a same...
US20110032618 LAMINATION OF OPTICAL SUBSTRATES  
A method is provided for laminating optical substrates and in particular for manufacturing a thin combiner for an optical display that preserves the flatness of the component parts and ensures an...
US20120092771 EMBEDDED VERTICAL OPTICAL GRATING FOR HETEROGENEOUS INTEGRATION  
An embedded vertical optical grating, a semiconductor device including the embedded vertical optical grating and a method for forming the same. The method for forming the embedded optical grating...
US20110304916 DIFFRACTIVE OPTICAL ELEMENT, OPTICAL SYSTEM, AND OPTICAL APPARATUS  
A diffractive optical element includes a first diffractive grating including a first grating surface and a first grating wall surface, a light shielding member disposed on the first grating wall...
US20090190224 LAMINATED DIFFRACTIVE OPTICAL ELEMENT AND RESIN COMPOSITION THEREFOR  
A resin composition includes a binder component having at least one of a monomer and an oligomer of one or more of a fluorine system and a silicone system having a polymerizable functional group...
US20100208346 Multilayer Dielectric Transmission Gratings Having Maximal Transmitted Diffraction Efficiency  
A multilayer dielectric transmission grating is made by coating a substrate with an antireflective (AR) coating and placing a dielectric grating on the AR coating. This grating is designed to...
US20140321495 INTEGRATED SUB-WAVELENGTH GRATING ELEMENT  
An integrated sub-wavelength grating element includes a transparent layer formed over an optoelectronic substrate layer and a sub-wavelength grating element formed into a grating layer disposed on...
US20100091371 MOLDED PRODUCT AND METHOD FOR MANUFACTURING THE SAME ( as amended  
A molded product having a phase separation structure formed by photopolymerization of a photopomerizable composition and imparting a sharp diffraction spot at a high diffraction efficiency, and a...
US20120087008 DIFFRACTIVE OPTICAL ELEMENT, OPTICAL SYSTEM, AND OPTICAL APPARATUS  
A diffractive optical element includes first and second diffraction gratings. A grating wall surface of the second diffractive grating is located on a surface extending a grating wall surface of...
US20110304915 DIFFRACTIVE OPTICAL ELEMENT, OPTICAL SYSTEM, AND OPTICAL APPARATUS  
A diffractive optical element includes a first diffraction grating and a second diffraction grating, and a thin film which is arranged at least part of an interface between the first diffraction...
US20110181928 DURABLE WASHABLE LABEL HAVING A VISIBLE DIFFRACTION GRATING PATTERN  
This invention provides an improved and novel thin and pliable holographic fabric label that possesses durability, high intensity of holographic diffraction, laundering resistance, minimal...
US20140347734 LIGHT EXTRACTION SUBSTRATE OF ORGANIC EL LIGHTING  
A first layer which has a surface including a diffraction grating part having a plurality of fine concavities and convexities and a second layer which is embedded in the diffraction grating part...
US20100039707 SI-O CONTAINING HYDROGENATED CARBON FILM, OPTICAL DEVICE INCLUDING THE SAME, AND METHOD FOR MANUFACTURING THE SI-O CONTAINING HYDROGENATED CARBON FILM AND THE OPTICAL DEVICE  
An Si—O containing hydrogenated carbon film as an optical film has a refractive index in a range from at least 1.48 to at most 1.85 for light of 520 nm wavelength and an extinction coefficient of...
US20110075260 GRATING DEVICE AND METHOD OF FABRICATING THE SAME  
In a grating device (1), a plurality of projections (3) that extend in a predetermined direction and projections (4) that extend in a direction substantially perpendicular to the predetermined...
US20120091552 OPTICAL DEVICES BASED ON NON-PERIODIC SUB-WAVELENGTH GRATINGS  
Various embodiments of the present invention are directed to optical devices comprising planar lenses. In one aspect, an optical device includes two or more planar lenses (208,209), and one or...
US20090303600 ACHROMATIC LENS SYSTEM AND OPTICAL APPARATUS  
An achromatic lens system is provided with a cemented resin lens having positive refractive power constructed by a resin lens L11 having positive refractive power cemented with a resin lens L12...
US20100007957 PHOTOGRAPHING LENS AND CAMERA  
A small shooting lens has high optical performance and is suitable for mass production. To attain this, the shooting lens includes at least three lens groups disposed in order from an object side,...
US20090128912 COMPOSITE MATERIAL AND OPTICAL COMPONENT USING THE SAME  
A composite material (10) includes a resin (12), and first inorganic particles (11) dispersed in the resin and containing at least zirconium oxide. The composite material has a refractive index at...
US20130235460 LAMINATED DIFFRACTIVE OPTICAL ELEMENT  
A laminated diffractive optical element including a colorant-containing first layer having a diffraction grating surface with a grating height X and a second layer closely stacked on the...
US20110157702 DIFFRACTIVE OPTICAL ELEMENT AND OPTICAL DEVICE  
In a diffractive optical element, first and second optical members are stacked, and a diffraction grating is formed at an interface between the first and second optical members. In the diffractive...
US20080094713 Metallised Security Element  
The invention concerns a security element (11) in the form of a multi-layer film body, a security document having such a security element and a process for the production of such a security...
US20070279746 Head-height holographic projection device for motor vehicle  
Head-height projection device for motor vehicles, including a projection unit which projects towards a holographic mirror images relating to operational data of the vehicle or driving data, the...
US20100020400 DIFFRACTIVE OPTICAL ELEMENT, METHOD FOR MANUFACTURING DIFFRACTIVE OPTICAL ELEMENT, AND LASER BEAM MACHINING METHOD  
A diffractive optical element includes: a substrate having a first face and a second face; a diffractive structure section that is formed on the first face of the substrate, shaped in a...
US20110090566 OPTICAL MATERIAL AND MULTILAYER DIFFRACTIVE OPTICAL ELEMENT FORMED WITH SAME  
An optical material includes a cured product of a resin composition at least containing indium tin oxide (ITO) fine particles and an optical resin and provides a minimum refractive index (which is...
US20110038050 DIFFRACTIVE OPTICAL ELEMENT  
A diffractive optical element according to the present invention includes: a body 1 being composed of a first optical material containing a first resin, and having a diffraction grating 2 on a...
US20110304918 DIFFRACTIVE OPTICAL ELEMENT, OPTICAL SYSTEM, AND OPTICAL APPARATUS  
A diffractive optical element includes a first diffraction grating and a second diffraction grating which are made of materials different from each other and are stacked in an optical axis...
US20080247043 Membrane Grating for Beam Steering Device and Method of Fabricating Same  
A method of fabricating a membrane structure for a diffractive phased array assembly is provided. The method includes the steps of providing a wafer having a body and at least a membrane layer and...
US20090268295 SURFACE-RELIEF DIFFRACTION GRATING  
A bilayer transmission diffraction grating having antireflection lines having rectangular cross-section over grating lines having trapezoidal cross-section is described. The process-dependent...
US20140307322 All-Nanoparticle Concave Diffraction Grating Fabricated by Self-Assembly onto Magnetically-Recorded Templates  
Methods for magnetic recording are provided. The method can include: assembling a plurality of nanoparticles into a pattern on a disc; applying a polymer composition onto the pattern of...
US20100321782 OPTICAL ELEMENT AND OPTICAL SYSTEM INCLUDING THE SAME  
Provided are an optical element in which a thickness of a refractive optical portion having an extraordinary partial dispersion characteristic is suitably specified to minimize flare generated by...
US20090141355 SECURITY DEVICE, REFLECTIVE LAYER THEREFOR, AND ASSOCIATED METHOD  
The present invention relates to a security device for resisting counterfeiting and verifying the authenticity of an article and, more particularly, to a nanoparticle containing coating...
US20120033214 Micro-optical Electromagnetic Radiation Diffraction Grating and Method for Manufacture  
The invention relates to electromagnetic radiation microoptical diffraction gratings and to a method suitable for the manufacture thereof. The diffraction gratings in accordance with the invention...

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