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9019612 WSS using multiple technology switching elements  
A wavelength selective switch for selectively switching optical wavelength components of an optical signal uses both LCoS and MEMs switching technologies to improve device performance. Specific...
9001420 Microscope optical system and microscope system  
Provided is a microscope optical system in which the occurrence of flare due to unnecessary-order diffracted light exited from a diffractive optical element is suppressed. A microscope objective...
8995057 Diffractive optical element and measurement instrument  
A diffractive optical element includes: a first diffractive element in which a plurality of basic units are two-dimensionally arranged; and a second diffractive element in which a plurality of...
8982465 Display having light-scattering property  
A display includes light-scattering regions. Each of the light-scattering regions is provided with linear protrusions and/or recesses having the same longitudinal direction. The light-scattering...
8957761 Display and labeled article  
A higher forgery prevention effect is realized. A display includes a first interface section provided with a relief-type diffraction grating constituted by a plurality of grooves, and a second...
8957397 Multilayer, multiaperture collimator for medical imaging and fabrication method  
A photon collimator, suitable for use in medical imaging equipment, is constructed from a block of photon-attenuating material, such as solid tungsten or molybdenum alloy that defines a plurality...
8958154 Microscope objective lens including a diffractive optical element  
A microscope objective lens OL includes, in order from the object side: a first lens group G1 having a positive refractive power, a second lens group G2, and a third lens group G3 having a...
8934171 Planar optical system for wide field-of-view polychromatic imaging  
A planar optical system for wide field-of-view polychromatic imaging includes a planar waveguide including two plane parallel faces, an entry coupler including a first diffraction grating, and an...
8920910 Structural color body  
To provide a structural color body that exhibits color using physical phenomena such as reflection, interference, diffraction, and scattering of light, and in which the decorative effect can be...
8922892 Method of producing a diffractive optic element and the resulting element  
A method of producing a diffractive optical element includes forming on a textured surface of a first substrate (2) a predetermined pattern of an ink (3) including an activator for a metallization...
8908267 Low-emissivity window films and coatings incorporating nanoscale wire grids  
A high-transparency, low-emissivity window film or coating is designed to maximize so-called greenhouse heating. This effect is achieved through the use of conductive grids and/or gratings whose...
8902380 Grating sheet, LCD device and methods for manufacturing grating sheet and LCD panel  
A grating sheet, a LCD device and methods for manufacturing the grating sheet and a liquid crystal display panel are provided. The grating sheet comprises a plurality of primary color gratings in...
8903207 System for and method of extending vertical field of view in head up display utilizing a waveguide combiner  
A Head Up Display can be utilized to find light from an energy source. The Head Up Display includes a first waveguide having a first input coupler and a first output coupler. The Head Up Display...
8873961 Echelle grating with cyclic free-spectral range  
An optical de-multiplexer (de-MUX) that includes an optical device that images and diffracts an optical signal using a reflective geometry is described, where a free spectral range (FSR) of the...
8819846 Making system constraints of a specified permission in digital rights management  
A method and a terminal device for making multi-system constraint of a specified permission in a digital rights. A rights object related to content object is obtained by an executing device. The...
8817350 Optical displays  
An apparatus for providing an optical display includes an optical substrate for propagating light received from a light source, a first set of one or more switchable diffractive elements in the...
8804245 Stacked diffraction optical element including an optical element made of organic-inorganic composite resin material  
Provided are an organic-inorganic composite resin composition and an organic-inorganic composite resin material made of a cured product thereof, containing at least an organic compound having a...
8804244 Method for manufacturing diffraction grating  
A method for manufacturing a diffraction grating comprises below steps. Firstly providing a substrate which having a first surface and a second surface opposite to the first surface. Then...
8792169 Optical diffraction gratings and methods for manufacturing same  
Described herein are diffraction gratings and methods for the manufacture thereof. One method comprises applying a force to a substrate to strain the substrate, disposing a thin film on at least a...
8780445 Optical system for rigid scope and rigid endoscope  
By suitably correcting a secondary spectrum, a clear, bright optical image is obtained. Provided is a rigid-scope optical system including: an objective optical system; and at least one relay...
8773599 Near-to-eye display with diffraction grating that bends and focuses light  
A near-to-eye optical system includes an optically transmissive substrate having a see-through display region and a repeating pattern of diffraction elements. The repeating pattern of diffraction...
8774240 Frequency-drift amplification device for a pulsed laser  
A frequency-drift amplification device for a pulsed laser, including: a stretcher for time-stretching an incident laser pulse; at least one amplifying medium for amplifying the laser pulse; a main...
8767299 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...
8765360 Optical films and methods of making the same  
Films for optical use, articles containing such films, methods for making such films, and systems that utilize such films, are disclosed.
8717650 Method and system for producing multiple images in a single image plane using diffraction  
Methods create images viewable under different selected angles on optical storage devices and other photosensitive surfaces and optical storage devices with super-imposed images. Generally, a...
8690341 Image projector and an illuminating unit suitable for use in an image projector  
An image display device having an RGB illuminating module that includes a diffractive beam combiner. The diffractive beam combiner includes a first light source arranged to provide a first light...
8687277 Stacked-grating light modulator  
A “Stacked-Grating Light Modulator” (“SGLM”) comprises two diffraction grating elements, a reflection grating and a transmission grating, in close parallel proximity. An incident beam transmits...
8681423 Light modulation employing fluid movement  
A light modulator includes a light guide to guide light, a diffraction grating at a surface of the light guide, and a fluid having a refractive index substantially matched to a refractive index of...
8682120 Polarization-independent grating optical coupler  
An optical device comprising a planar waveguide located on a planar substrate, the planar waveguide including a light-transmissive layer and an optical grating coupler being located along the...
8670181 Method and apparatus for generating duality modulated electromagnetic radiation  
A generator of duality modulated radiation and a corresponding method for its use. The generator depletes or enriches the proportion of energy relative to the wave intensity of a beam. Duality...
8654348 Method, phase grating and device for analyzing a wave surface of a light beam  
The application relates to a method for analyzing the wave surface of a light beam from a source to the focus of a lens. The beam illuminates a sample on the analysis plane and having a defect. A...
8599484 Diffractive optical element and measuring device  
To provide a diffractive optical element and a measuring device capable of generating light spots of dispersive type. The problem is resolved by providing a diffractive optical element having...
8574710 Anti-reflective coatings comprising ordered layers of nanowires and methods of making and using the same  
A composition includes a substrate (a) including a surface and (b) a multi-layer coating of nanowires positioned on at least a portion of the surface. The coating includes three or more laminar...
8570509 Spectrometry apparatus, detection apparatus, and method for manufacturing spectrometry apparatus  
A spectrometry apparatus includes a transmissive diffraction grating that transmits incident light. The transmissive diffraction grating has inclined surfaces made of a first dielectric material....
8537465 Apparatus for changing diffraction gratings  
An apparatus usable with a laser resonator has a generally stationary base, a positioning slide carried on the guide and shiftable thereon in an adjustment direction, and two (or more) holders...
8529068 Optical unit  
A beam light source of an image display device which displays an image on a screen by scanning an optical beam in a two-dimensional direction in which the beam light source includes a light source...
8517535 Systems and methods of phase diversity wavefront sensing  
A phase diversity wavefront sensor includes an optical system including at least one optical element for receiving a light beam; a diffractive optical element having a diffractive pattern defining...
8508847 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...
8507073 Exterior parts  
An exterior part (200) includes (a) a structure color generation portion (210) having a minute shape (structure color generation region (211)) formed therein, light in a visible light range being...
8488242 Optically variable device with diffraction-based micro-optics, method of creating the same, and article employing the same  
A security device includes an optically variable device (OVD) having diffraction-based micro-optics including at least one moiré magnified visual representation of a micro-object. A diffractive...
8488646 HCG reflection enhancement in diverse refractive index material  
Enhanced reflectivity High-Contrast Gratings are described which operate in different medium. An HCG is described with a deep/buried metallization layer separated at a distance of least three to...
8488030 Information acquiring method, information acquiring apparatus, semiconductor device comprising array of plurality of unit components for detecting physical quantity distribution, and semiconductor manufacturing method  
To enable an imaging apparatus to achieve high resolution and sufficient color reproducibility. A diffraction grating 1 is provided on the incident light side of a spectral image sensor 10, the...
8455810 Optical element, imaging optical system, and camera module  
An optical element incorporated into an imaging optical system, comprising: an effective diameter area that allows effective light flux contributing to imaging to pass, a non-effective diameter...
8451443 Diffraction optical element, spectral colorimetric apparatus, and image forming apparatus  
A concave reflection type diffraction optical element used for a Rowland type spectrometer, in which: the Rowland type spectrometer detects wavelengths in a range including a wavelength λ1 or more...
8441907 Complex objective lens including saw-tooth diffractive element for using on blue, red and infrared lights  
In an optical head device which performs recording/reading of data in/from a high-density optical disc using an objective lens with a large NA, a saw-tooth shape diffraction element is used for...
8441729 Optical arrangement, method of use, and method for determining a diffraction grating  
An optical arrangement includes a light source which emits coherent light of a wavelength λ, and a diffraction grating which has a multiplicity of diffraction structures which follow one another...
8441726 Optically variable filter apparatus and filter characteristic control method thereof  
Light from an optical fiber is incident on a frequency dispersion element. The frequency dispersion element disperses the incident light into light beams in different directions according to their...
8437238 Diffraction grating, aberration correction element and optical head device  
There is provided a diffraction grating including a convex portion and a concave portion which are used for lights having different wavelengths λ1, λ2 and λ3 and are alternately disposed on at...
8405907 Method for correcting optical proximity effects  
A system and associated method employ a first projection objective including at least one optical proximity correction (OPC) filter with a filter function adapted to a particular pattern. The...
8384996 Double image pickup optical system and image pickup apparatus provided therewith  
According to the present invention, a small-sized double-lens imaging optical system whose chromatic aberration is corrected even at a super wide angle of 150° or more can be provided. The...