Matches 1 - 50 out of 208 1 2 3 4 5 >


Match Document Document Title
8955975 Three dimensional image projector with circular light polarization  
A method is provided that includes providing a light source having a light emitting diode (LED) that emits a light. A polarization conversion system (PCS) is located adjacent the LED and has both...
8958156 Interference filter for non-zero angle of incidence spectroscopy  
The present disclosure relates to thin film optical interference filters. The filters include a substrate and a plurality of alternating material layers deposited on the substrate. When operated...
8919967 Micro projection system  
A micro projection system includes a primary prism as a light guide device. The primary prism has a bottom face and two slope faces. A light source module and a collimation lens are arranged at...
8922690 Image sensor, imaging apparatus and live body imaging apparatus  
An image sensor including a pixel unit, the pixel unit including a photodiode, a first color filter and a second color filter each disposed in a different position on a plane above the photodiode,...
8888292 Projection apparatus for providing multiple viewing angle images  
A projection apparatus is disclosed. The projection apparatus includes a light source module, a first light splitting element, a first light valve unit, a first light modulator, a second light...
8817371 Polarizing beam splitters  
A polarizing beam splitter has a pair of opposed transparent prism substrates with a refractive index n0, and providing at least one input port and at least one output port. The input port accepts...
8780442 Optical interfering apparatus  
In one embodiment, an apparatus comprises an optical system with multiple detectors and a processor. The optical system is configured to produce images of an optical source in a first dimension...
8767301 MEMS-based pellicle beamsplitter  
A method of forming a non-polarizing pellicle beamsplitter having a desired power-tap ratio. The method includes the operation of forming a base layer having a base refractive index on a substrate...
8755421 High-power, phase-locked, laser arrays  
High-power, phased-locked, laser arrays as disclosed herein utilize a system of optical elements that may be external to the laser oscillator array. Such an external optical system may achieve...
8736896 Optical scanning unit and image forming apparatus including a beam splitter for adjusting light intensity of a light source  
An optical scanning unit includes a light source including a plurality of light-emitting elements; a light detector to detect a light beam emitted from the light source; a light-flux splitter,...
8654105 Optical touch control systems  
An optical touch control system. A monitor includes a first side, a second side, a third side, and a fourth side sequentially connected to each other. A first light guide, a second light guide,...
8602563 Projection image display apparatus and projection optical system  
A projection image display apparatus includes: a light source; an illumination optical system that uniformly irradiates a surface of an image modulation element serving as a primary image surface...
8571418 High resolution optical waveform shaping device having phase shift compensation associated with optical intensity modulation  
It is an object of the present invention to provide an optical waveform shaping device of high resolution. The above-mentioned problem is solved by an optical waveform shaping device (10)...
8564569 Optical touch control systems  
An optical touch control system. A monitor includes a first side, a second side, a third side, and a fourth side sequentially connected to each other. A first light guide, a second light guide,...
8514478 Two-photon absorption switch having which-path exclusion  
A two-photon absorption (TPA) switch is provided for minimizing which-path information in quantum optic interference. The TPA switch includes a pulse laser, first and second dichroic mirrors, a...
8398243 Projection device for the holographic reconstruction of scenes  
The present invention relates to a projection device for holographic reconstruction of scenes, said device comprising at least one light modulator device and at least one light source which emits...
8351121 Guided matter-wave Sagnac interferometer  
The present invention provides an interferometer apparatus comprising a matter-wave guide enclosing an area, wherein a flux of particles may be guided in the matter-wave guide in at least two...
8340150 High-power, phase-locked, laser arrays  
High-power, phased-locked, laser arrays as disclosed herein utilize a system of optical elements that may be external to the laser oscillator array. Such an external optical system may achieve...
8313254 Image pickup apparatus  
An image pickup apparatus includes a light-beam splitting mirror configured to transmit and reflect incident light that has entered the light-beam splitting mirror through a photographing optical...
8270067 Sagnac delay-line interferometer for DPSK demodulation  
A DPSK demodulator is implemented in Sagnac interferometer configuration with a delay line element introduced in one or both of the optical paths of the transmitted and reflected beams. Because...
8235534 Projector that projects a correction image between cyclic main image signals  
A projector has: light source (1R, 1G, 1B); a light modulation unit (6) that modulates a light emitted from the light source based on image signals; a display control unit (41) that outputs the...
8174756 Rhomb beam splitter in optical communication  
Rhomb beam splitters are used to implement various optical demodulators, in particular PSK and DPSK demodulators. The parallel beam-splitting and reflective surfaces of the rhomb structure produce...
8149494 Two-photon absorption switch having which-path exclusion and monolithic mach-zehnder interferometer  
A monolithic Mach-Zehnder Interferometer (MZI) is provided for photon beam-splitting and beam-combining with accurate super-positioning of the outgoing beams, which creates the interference. The...
8144409 Prism system and method for producing the same  
A prism monomer for use in a digital light processing projection device includes a plastic triangular prism having a hypotenuse surface and a glass sheet. The glass sheet has two opposite...
8120853 Optical assembly, method for assembling an optical assembly, system for securing optical elements of an optical assembly and a spring for securing optical elements of an optical assembly  
A monolithic frame for optics used in interferometers where the material of the monolithic frame may have a substantially different coefficient of thermal expansion from the beamsplitter and...
8111450 Rhomb beam splitter in optical communication  
Rhomb beam splitters are used to implement various optical demodulators, in particular PSK and DPSK demodulators. The parallel beam-splitting and reflective surfaces of the rhomb structure produce...
8107167 Spatial-dispersion-free spectral combining of pulsed high peak power fiber laser beams  
A beam combining system suitable of pulsed fiber laser applications is able to produce non-spatial-dispersive beams using an highly efficient filter, such as a multilayer dielectric filter, in...
8022835 Optic system using spectral character shift for communication between optic input devices and reader devices for control systems and sensors for pressure, force, displacement, or chemical condition  
An improved optic system for measuring and/or controlling displacement, force, pressure, position, or chemistry is disclosed. This apparatus allows for more accurate, robust, and economical...
8009283 Dichroic beamsplitter for high energy laser diagnostics  
Wavefront control techniques are provided for the alignment and performance optimization of optical devices. A Shack-Hartmann wavefront sensor can be used to measure the wavefront distortion and a...
8004749 Pseudo common-path DPSK demodulator  
A rhomb beam splitter, rather than a conventional cube, is used in combination with a mirror reflecting both the reflected and transmitted beams to obtain a delay-line interferometer demodulator...
7976168 Image projector with internally tiled intermediate images  
Disclosed are a system and method for microprojection that uses multiple imagers to produce a high resolution output image. Each of a set of imagers produces a portion of the final image. Relay...
7972004 System and method for uniform light generation  
A system and method for uniform light generation in projection display systems. An illumination source comprises a light source to produce colored light, and a scrolling optics unit optically...
7967443 Projection system using reflective polarizers  
A projection system comprising a first imaging component, at least a second imaging component, and a color combiner. The first and second imaging components each comprise an imager and a...
7949030 High-power, phased-locked, laser arrays  
High-power, phased-locked, laser arrays as disclosed herein utilize a system of optical elements that may be external to the laser oscillator array. Such an external optical system may achieve...
7874682 Component displays and beamsplitter that form composite image  
An apparatus in one example comprises a first component display with a first display area, a second component display with a second display area, and a beamsplitter. The first component display is...
7864433 Free-space optical hybrid  
An exemplary optical hybrid includes a 50/50 un-polarized beam splitter, a folding prism, a beam shifter, a spacer and a phase shifter such that from an input S-beam (signal) and an L-beam...
7864325 Interferometer, demodulator, and splitting element  
An interferometer of the invention includes: a first splitting element which includes a first transparent medium and a first splitting film formed on the first transparent medium, and which splits...
7791053 Depressed anode with plasmon-enabled devices such as ultra-small resonant structures  
Plasmon-enable devices such as ultra-small resonant devices produce electromagnetic radiation at frequencies in excess of microwave frequencies when induced to resonate by a passing electron beam....
7768699 Laser phase difference detecting device and laser phase control device  
A phase difference detecting device includes a splitter for splitting laser beams into a first group which will travel along a first path and a second group which will travel along a second path,...
7673993 Projection system using reflective polarizers  
A projection system comprising a first imaging component, at least a second imaging component, and a color combiner. The first and second imaging components each comprise an imager and a...
7652823 Non-polarizing beam splitter  
A non-polarizing beam splitter has a first prism; one or more ground layer(s) made of a dielectric material which is (are) formed on a slant face of the first right angle prism; an Au layer having...
7631972 Wavelength-selective polarization conversion element, illumination optical system, projection display optical system, and image projection apparatus  
A wavelength-selective polarization conversion element is disclosed which has a polarization conversion function that has been obtained by a polarization conversion element and a...
7612939 Transmissive phase plate, polarized beam splitter, and projection display  
A transmissive phase plate with a function of correcting direction of polarization of light rays in an incident divergent or convergent light flux in addition to functions as a wave plate....
7606504 Optical receiver and optical receiving method corresponding to differential M-phase shift keying system  
An optical receiver comprises branching units for branching and supplying the signal lights to be inputted to the first to fourth optical waveguides provided on a substrate, second to third...
7583894 Interferometric operation of electroabsorption modulators  
Methods and apparatus are described for modulating an optical signal using electroabsorption in conjunction with an optical interferometer. Phase-shift keying modulation can be achieved with lower...
7573641 Free-space optical hybrid  
An exemplary optical hybrid includes a 50/50 un-polarized beam splitter, a folding prism, a beam shifter, a spacer and a phase shifter such that from an input S-beam (signal) and an L-beam...
7564036 Communication device for an image pickup apparatus positioned in front of an image sensor  
A communication device for an image pickup apparatus having its imaging lens focussing light input from a field on an image sensor uses infrared rays. An infrared ray receiving member is...
7540616 Polarized, multicolor LED-based illumination source  
Light emitting diodes (LEDs) emit light at a first wavelength. A phosphor material close to LEDs converts at least some of the light to a second wavelength. The light at both wavelengths passes...
7508567 Metal etalon with enhancing stack  
A device includes a pair of two partially transmitting optical surfaces positioned approximately parallel to each other and spaced apart. A high reflectance metal etalon coating is formed on each...
7483213 Image combining viewer  
An image combining viewer transmits a daylight image directly through the viewer, while reflecting at least one wavelength other than visible light towards a sensor. A display for displaying the...

Matches 1 - 50 out of 208 1 2 3 4 5 >