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7443593 |
Wavefront correction system
A wavefront correction system using a dual frequency liquid crystal spatial light modulator to vary phase relationships of a wavefront is disclosed. A light beam from the dual frequency liquid...
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7440190 |
Device for reshaping a laser beam
A device for reshaping a laser beam may include a first optical element to receive the laser beam. The device may also include a second optical element to invert and reshape the laser beam to...
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7438480 |
Optical module, optical transceiver, and optical joint sleeve
An optical module 1 comprises a first optical element F 1 , a first light receiving subassembly PD 1 , a second optical element F 2 , a second light receiving subassembly PD 2 , a light emitting...
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7433290 |
Complex objective lens, optical head, optical information apparatus, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server
A complex objective lens composed of a hologram and an objective lens, capable of realizing stable and high-precision compatible reproducing/recording of a BD with a base thickness of about 0.1 mm...
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7433129 |
Optical arrangement for microscope and microscope
An optical arrangement for a microscope, in particular for a scanning microscope, with a beam splitter 1 arranged in a divergent and/or convergent beam path for separating an illumination light ...
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7433128 |
Adaptive light-path surface tilt sensor for machine vision inspection
An adaptive light-path surface tilt sensing configuration is provided that identifies when a ray bundle is projected along a direction normal to a workpiece surface. As a result, the tilt of the...
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7423806 |
Microscope system with a beam hub unit having a beam multiplexer for alternatively selecting beam ports
A microscope system having an objective lens ( 10 ) defining a central optical axis ( 14 ) of the microscope system; an optical beam hub unit ( 18, 20 ) having a center coinciding with the central...
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7408714 |
Method and apparatus for coupling laser beams
In a photomask projection system, a photomask mask is illuminated by light from two lasers. A beam from one of the lasers is mixed with a beam from the other laser to provide two mixed beams each...
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7405882 |
Image display device and projector
Aspects of the invention can provide an image display device for modulating light from a light source on the basis of display image data to display an image. The image display device can include a...
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7405874 |
Microscope for epi fluorescence and total internal reflection microscopy
The invention relates to a microscope for conventional fluorescence microscopy (Epi fluorescence) and for total internal reflection microscopy, including at least one light source ( 1 ) for the...
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7397607 |
Micro-display engine
Virtual displays with micro-display engines are arranged in compact, lightweight configurations that generate clear virtual images for an observer. The displays are particularly suitable for...
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7394597 |
SLM projection display with series DMD illuminator
The addition of DMD illumination modulator(s) 702 in series with projection SLM(s) 706/709 to produce high-performance projection displays with improved optical efficiency, reliability, and...
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7379247 |
Image pickup apparatus
An image pickup apparatus that comprises: an optical path splitting element; an optical system including a variable-optical-power element which is substantially immobile in an optical axis...
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7379166 |
Combined laser altimeter and ground velocity measurement apparatus and a fiber optic filter edge detector of doppler shifts for use therein
A fiber optic filter edge detector of Doppler shifted light comprises: a laser source for emitting pulsed laser light substantially over a first fiber optic path; an optical lens for directing...
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7375896 |
Digital light-processing projection apparatus and beam splitter module thereof
A digital light-processing projection apparatus includes a light source, a beam splitter module and an optical combiner module. The beam splitter module is used in conjunction with an optical...
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7369316 |
Optical system for a digital light projection system including optical concentrator elements having reflective aperture elements
An optical system for a digital light projection system is provided. The optical system comprises a plurality of LED arrays, wherein each LED array comprises a plurality of LEDs. The optical system...
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7369315 |
Beam splitter and optical imaging systems incorporating same
An optical imaging system incorporates a beam splitter, which is moveable to a beam-splitting position where the beam splitter intercepts the light on an input optical path and a non-beam-splitting...
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7359121 |
System and method for tracking and assessing movement skills in multidimensional space
Accurate simulation of sport to quantify and train performance constructs by employing sensing electronics for determining, in essentially real time, the player's three dimensional positional...
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7355722 |
Catoptric and catadioptric imaging systems with adaptive catoptric surfaces
An imaging system for imaging an object point to an image point, the system including: a beam splitter positioned to receive light rays from the object point and separate each of a plurality of...
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7354157 |
Image display device and light source device
An image display device includes a laser light source, a wavelength conversion element converting a wavelength of a light beam emitted from the laser light source into a predetermined wavelength,...
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7352517 |
Optical pickup apparatus
An optical pickup apparatus for conducting at least recording or reproducing of information on two types of optical information recording media having protective substrates with different...
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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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7349157 |
Optical splitting device and optical communication terminal comprising such a device
An optical splitting device is intended to receive at an input two beams of different wavelengths. The device includes a polarizing beam splitter designed to selectively transmit part of the beam...
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7349089 |
High transmission multi-wavelength filter and method
An optical arrangement and method of filtering include a beam splitter that accepts an incident beam and transmits light from the incident beam of a first polarization and reflects light from the...
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7339741 |
Multi-color wide angle infrared optical systems and methods
Systems and methods for providing a wide angle multi-color infrared (IR) optical system are disclosed. In one embodiment, a system is provided that comprises a negative lens configured to receive...
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7327521 |
Colored light synthesis element and projection device therewith
The invention includes a first incidence plane, a second incidence plane, a third incidence plane, a first synthesis plane and a second synthesis plane that are interiorly orthogonal to each other....
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7315421 |
Method of laser marking, laser marking apparatus and method and apparatus for detecting a mark
A method and apparatus for laser marking is disclosed. An interference fringe is formed on a subject to be marked using a laser beam to make a marking.
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7307793 |
Fusion night vision system
A fusion night vision system having image intensification and thermal imaging capabilities includes an edge detection filter circuit to aid in acquiring and identifying targets. An outline of the...
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7307792 |
Observation system and method
What is provided is an observation system, comprising a modulator which comprises a two-dimensional modulator region formed by a plurality of pixels; a control unit, which is connected to the...
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7307787 |
Beam splitting prism, method of manufacturing beam splitting prism, and all-optical switching device
In order to obtain a beam splitting prism which a beam can be split with simpler configuration in a state in which an optical path length is precisely controlled, there is provided a beam splitting...
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7298945 |
Polarization splitting grating couplers
A polarization splitting grating coupler (PSGC) connects an optical signal from an optical element, such as a fiber, to an optoelectronic integrated circuit. The PSGC separates a received optical...
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7283307 |
Common aperture vision system
An optical device comprises a dichroic beamsplitter for splitting an object beam into a reflected beam having a first waveband and a transmitted beam having a second waveband; an...
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7281803 |
Polarization conversion assembly to complement angular transmission distribution of polarizing light modulator
An apparatus, system, and method for a polarizing conversion assembly adapted to provide polarized light having an intensity distribution to complement an angular transmission distribution of a...
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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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7268951 |
Optical beam splitter
An optical beam splitter ( 1 ) for a light beam ( 2 ) that is parallel along a beam axis (A) has a transparent central area ( 3 ) and a plurality of reflecting reflector surfaces ( 4 a , 4 b ) that...
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7262918 |
Light beam conditioner
A system and method for conditioning a beam of light comprised of several wavelengths by means of selecting from among the plurality of available wavelengths, a desired set of wavelengths...
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7253959 |
Method and apparatus for distributing the flux density of a light flow
For distributing the flux density of an input light flow ( 11 ), this input light flow is split-up in at least two light flows ( 12, 13 ) comprising different cross-sectional parts of the input...
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7242524 |
Optical system for forming a real image in space
An optical system ( 100, 200, 400, 500 ) that projects a real image ( 140, 412, 504 ) into space and includes one or more features located along the optical path that enhance the viewability of the...
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7230763 |
Polarizing beamsplitter
A polarizing beamsplitter is provided, comprising two wedge-shaped prisms of a birefringent material, the prisms forming a plan-parallel plate, wherein an incident light beam is separated into two...
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7220005 |
Projection type video display apparatus
An object of the invention is to achieve a high intensity, a compact structure, a cost reduction and a heat radiation of a liquid crystal panel, in a projection type video display apparatus...
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7218451 |
Integrated optical multiplexer and demultiplexer
Optical multiplexers and demultiplexers are provided. In one implementation an apparatus is provided. The apparatus includes a first laser diode pair, a second laser diode pair, a polarization...
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7211778 |
Night vision goggle with separate camera and user output paths
A night vision device comprising a first detector, a beam splitter, a user optical output and a camera. The first detector is configured to detect and transmit a scene image in a first spectral...
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7202466 |
Apparatus and method for providing high intensity non-coherent light and for speckle reduction
An apparatus adapted for confocal imaging of a non-flat specimen comprising a light source for producing a light beam, imaging optics adapted to focus the light beam into at least one spot on a...
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7199936 |
Method and apparatus for polarizing electromagnetic radiation
According to one aspect of the invention, a method and apparatus for polarizing electromagnetic radiation is provided. The electromagnetic radiation may be divided into first and second portions,...
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7196848 |
Array refracting element and exposure device
An array refracting element for dividing laser beams in a sub-scanning direction, which is formed by linearly disposing a pair of refracting members, each having a unit surface shape for dividing...
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7190519 |
Plate-like polarizing element, a polarizing conversion unit provided with the element, and a projector provided with the unit
This specification discloses a polarizing. element for dividing light into first and second polarized lights differing in polarized state from each other by a polarizing dividing surface, directing...
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7187270 |
Vehicle display device and light guide plate thereof
Disclosed are a vehicle display device providing excellent visibility and does not obstruct a sight ahead of a driver, regardless of a frame, a seating position and the like of the driver. The...
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7184216 |
Optical pulse duration extender
An optical pulse extender includes a delay loop formed by a plurality of mirrors and a graded reflectivity beamsplitter. The mirrors and the beamsplitter are configured and aligned such that a...
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7180604 |
Catoptric and catadioptric imaging systems with pellicle and aperture-array beam-splitters and non-adaptive and adaptive catoptric surfaces
An interferometric system including: an interferometer that directs a measurement beam at an object point to produce a return measurement beam, focuses the return measurement beam to an image point...
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7177083 |
Display device with electrooptical focussing
A display device is provided for generating an image which is perceivable, by a viewer (M) of an object located in an object plane (O), as being superimposed on the object, said device comprising...
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