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7616393 |
Compact folded thin lens
A thin lens consists of a first optical element which comprises a first refracting surface, wherein incoming light passes through the first refracting surface on a first optical axis. A reflecting...
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7593615 |
Optical devices for guiding illumination
Optical devices for guiding illumination are provided each having a body of optical material with staircase or acutely angled ramp structures on its top surface for distributing light inputted from...
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7576933 |
System and method of the optical delay line
This invention provides a system and a method of the optical delay line, wherein the system comprises a source and an array of mirrors, wherein the array of mirrors comprises a first reflective...
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7576932 |
Prism assembly
A prism assembly including two or more prisms, at least one of which has or more surfaces that are used for total internal reflection or partial spectral reflection of incoming light, wherein at...
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7576708 |
Display apparatus
A display apparatus includes a display panel that displays individual images in a plurality of viewing directions on a common screen, a parallax barrier that makes the individual images...
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7573636 |
Systems for influencing laser beam polarization
The invention relates to a device ( 1 ) for influencing the polarization of laser radiation using a phase-shifting element ( 5 ) and an element ( 7 ) deflecting the laser radiation. The...
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7568808 |
Optical observation instrument having a device for protecting against incoming flare
An optical observation instrument has a device ( 1 ) for protecting against incoming flare ( 40 ) arranged within the beam path of the instrument. The device contains a filter ( 22/30 ) tuned to...
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7568805 |
Illumination unit and image projecting apparatus employing the same
An illumination unit includes multiple light source units to emit light having different wavelengths, and a synthesizing prism to synthesize the emitted light. The synthesizing prism includes a...
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7564534 |
Alignment system and method
An alignment system uses a self-referencing interferometer that produces two overlapping and relatively rotated images of an alignment marker. Detectors detect intensities in a pupil plane where...
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7554742 |
Lens assembly
A lens assembly for use with a light source and including an inner lens and a light directing portion. The inner lens collects light rays from the light source through a light-collecting face and...
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7548607 |
Refractive x-ray element
For reducing absorption in a refractive element, the present invention relates to a refractive element ( 10, 20 ), suitable for refracting x-rays, comprising a body with low-Z material having a...
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7527186 |
Method and apparatus for mapping a position of a capillary tool tip using a prism
A system for determining wire bonding tool placement for use with a wire bonder and an optical imager is provided. The system includes a prism disposed below the optical imager and the wire bonding...
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7489840 |
Optical link module, optical interconnection method, information processor including the optical link module, signal transfer method, prism and method of manufacturing the prism
An optical link module of the present invention for connecting light beams by deflection and including light-emitting devices arranged in a planar manner; an optical fiber bundle that is an optical...
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7471477 |
Optical apparatus
An optical apparatus including an optical system for bending an optical path in a first direction into a second direction substantially perpendicular to the first direction; and a prism for bending...
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7433119 |
Scanning microscope
In a scanning microscope that impinges upon a sample with a first light pulse and a second light pulse, a dispersive medium that modifies the time offset between the first and the second light...
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7429112 |
Retro-reflector assembly and opacity monitor incorporating same
A retro-reflector assembly ( 1 ) for incorporating in an opacity monitor, includes several small corner-cube prisms ( 2 ) of cylindrical section. The invention also includes an opacity monitor...
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7428051 |
Device for the IR-spectrometric analysis of a solid, liquid or gaseous medium
The invention relates to a device for the IR-spectrometric analysis of a solid, liquid or gaseous medium. The device includes a process probe, which has a reflection element. The device...
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7359119 |
Optical arrangement for pre-processing primary illumination light
An optical arrangement for pre-processing primary illumination light is proposed, wherein a provided spectral processing section (P) comprises a multi-prism assembly ( 10 ) consisting of a...
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RE40227 |
Totally internally reflecting thin, flexible film
A thin, flexible film made of a transparent polymeric material including a structured surface and an opposite smooth surface, wherein light striking either surface, within certain angular ranges,...
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7352521 |
Image display optical system and image display apparatus
An image display optical system which achieves a small size and display at a wide angle of view as well as maintains a required level of optical performance and allows suppression of occurrence of...
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7352512 |
Compact self-compensating beam splitter apparatus and method of using
In accordance with an embodiment of the present invention, an optical system includes two tilted planar elements each having two surfaces for which the sign of the slopes of at least three of the...
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7347558 |
3D kernel and prism assembly design
A Liquid Crystal on Silicon (LCOS kernel for a light engine is configured in a kernel having light paths in three dimensions (3D kernel). The 3D kernel allows for designs that do not require...
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7329007 |
Projector
A projector includes an illumination device, a color separation system, a light combining system, a projection system, and an optical adjustment portion. The color separation system separates the...
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7322703 |
Light emitting apparatus and projector
An light emitting apparatus which illuminates an illumination area has a first light source which emits a first light, a second light source which emits a second light, a wheel which is provided...
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7314284 |
Retroreflection sheeting and film for use in retroreflection sheeting
An object of the present invention is to provide a retroreflective sheeting that exhibits proper retroreflection even at a small incident angle with no or less halation, and has superior incident...
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7309149 |
Prism sheet, backlight assembly and liquid crystal display device having the same
A prism sheet, a backlight assembly having the prism sheet, and an LCD device having the prism sheet, the prism sheet includes a first surface, a second surface and a reflecting member. A light is...
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7298565 |
Compact and high performance opto-mechanical switch
A 2×2 opto-mechanical switch is disclosed. A first embodiment of the present invention utilizes a transmitting compact parallel prism and four or two pieces of the 45-degree prism to increase the...
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7286308 |
Laser diode bar beam reformatting prism array
Asymmetry of output beams from a laser diode bar is significantly reduced by internally reflecting the beams from an array of roof prisms positioned and oriented to rotate the cross-sectional shape...
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7280275 |
High efficiency beam distribution with independent wavefront correction
A beam distribution apparatus includes a stack of parallelogram prisms and beam-splitting coatings each located between opposing parallel faces of adjacent parallelogram prisms. The stack is...
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7274522 |
Reflective optical system
A reflective optical system for projectors comprises a single integral piece of transparent optical molding having at least an incident surface, an exit surface, and two or more internal reflection...
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RE39859 |
Dichroic prism, prism unit, and projection display apparatus
At least one of four rectangular prisms in a dichroic prism is made longer than the other rectangular prisms. Parts of the rectangular surfaces of the long rectangular prisms partially protrude...
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7267445 |
Combiner, optical combiner module and digital light projection system using the same
A projection system includes a light source, a beam splitter module, a projection lens, and an optical combiner module includes at least one light valve for forming the image. A light beam emitted...
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7254288 |
Corner cube depolarizer
The depolarizer utilizes a commonly available BK7 glass corner cube to transform linearly polarized light into depolarized light with 100% conversion efficiency. The low-cost corner cube is a...
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7253960 |
Head-up display device with rotationally asymmetric curved surface
A display device for displaying information is provided with an optical system for guiding the light of the display device to the eye, the optical system having, in the order in the proceeding...
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7248405 |
Re-focusing mechanism for imaging system
Two reflective surfaces disposed in a predetermined angular orientation inside the optical tube assembly of a telescope intercept the optical beam and deliver it from the objective to the...
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7230761 |
High-dispersion grisms
A grism based upon a grating with a given line frequency is configured such that a design wavelength will undergo either a specific total bend angle, a zero-degree total bend without lateral...
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7230754 |
Neutral white-light filter device
A substantially neutral filter across the white-light spectrum is obtained by minimizing the wavelength-dependent effects of filtering components and of reflective coatings on surfaces. The...
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7215474 |
Method and apparatus for combining optical beams
According to one aspect of the present invention, an apparatus for optically combining light beams is disclosed. The apparatus includes a set of prism shaped doorways configured to receive output...
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7212353 |
Optical element, optical system, and optical device
Provided is a compact optical element that secures an optical path length and improves manufacturing precision economically. The optical element includes a transparent member having a first and...
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7210788 |
Color prism and projection-type image display apparatus employing the same
A color prism capable of separating incident light into four color beams and synthesizing incident four-color beams, and a projection-type image display apparatus employing the color prism. The...
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7196315 |
Eccentric optical system and optical apparatus using same
An eccentric optical system forming an optical path where an incident light beam is internally reflected three times to fold the optical path, and then emitted from a transmission surface and...
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7180674 |
Polygonal prism
A polygonal prism receives at least one incident light and generates at least one outward light. The prism includes a plurality of planes, with the prism made from one piece of material.
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7177260 |
Optical pickup including a many-sided reflection prism and method of using the optical pickup
An optical pickup including a many-sided reflection prism formed as a single body with a plurality of reflection faces to guide a light beam incident through a transmission face in a horizontal...
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7177104 |
Image-taking optical system
An image-taking optical system for forming an optical image of an object on the light-receiving surface of an image sensor includes a plurality of optical blocks. The optical blocks each have a...
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7177059 |
Device and method for manipulation and routing of a metrology beam
A lithographic projection apparatus is equipped with a device for manipulation and routing of at least one portion of a metrology beam of radiation. The device includes a first and a second optical...
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7173763 |
Optical interleaver and filter cell design with enhanced clear aperture
An optical interleaver for use in a range of telecommunications applications including optical multiplexers/demultiplexers and optical routers. The optical device includes an optical processing...
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7167312 |
Beam shaping optics and module for a diode laser arrangement
A beam shaping optical arrangement combines three incoming laser beams that are mutually laterally offset in two orthogonal directions (X and Y), including an incoming first central laser beam and...
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7123394 |
System and method for the laser beam deflection for optical measuring systems
A system for the laser beam deflection for optical measuring systems includes an optical element for the deflection of an incident laser beam and a driving unit for generating a rotational movement...
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7119971 |
Optical prism, display element support and optical assembly using the same
An optical prism 100 for reflecting light incident on its light incidence surface 12 suited for incidence of light from an LCD 20 at least twice within itself and emitting the reflected light...
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7118228 |
Image display system
A display system includes a single image-projection device, and a reflective surface optically coupled to the image-projection device, wherein the reflective surface is configured to reflect a...
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