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7511716 |
High-resolution micro-lens 3D display with shared sub-pixel color signals
In one embodiment, a sub-pixel rendering method includes receiving 3D image data associated with pixel intensity values of N two-dimensional images having multiple sets of corresponding pixels....
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7436387 |
Electrooptical device utilizing electrophoresis
An electrooptical device comprises an electrooptical layer between electrodes. The electrooptical layer includes a dispersion medium and particles contained in the dispersion medium. The particles...
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7421212 |
Detecting and locating pulses using a Bragg cell
Detecting a pulse of a signal includes receiving the signal and a light beam. The signal drives a spatial light modulator to modulate the light beam, where the complex amplitude of the modulated...
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7372612 |
High performance compact external cavity laser (ECL) for telecomm applications
An optical tunable laser design ( 100 ) for the optic telecommunication industry is disclosed in this invention. This new design is economical, reliable, robust and with superior optical...
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7133182 |
AOM frequency and amplitude modulation techniques for facilitating full beam extinction in laser systems
Digital control of frequency and/or amplitude modulation techniques of an intracavity and/or extracavity AOM ( 60 ) facilitate substantially full extinction of a laser beam ( 90 ) to prevent...
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6930819 |
Miniaturized external cavity laser (ECL) implemented with acoustic optical tunable filter
An optical tunable laser design for the optical telecommunication industry is disclosed in this invention. This new design is economical, reliable, robust and with superior optical performances....
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6751009 |
Acousto-micro-optic deflector
An acousto-micro-optic deflector (AMOD) is provided. This device uses a special combination of an acousto-optic deflector (AOD) and a micro-optic deflector (MOD) to provide agile gimballess beam...
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6674564 |
System, method and article of manufacture for a beam splitting acousto-optical modulator
A system, method and article of manufacture is disclosed that provides an improved, more efficient, laser beam modulator and splitter. The combined device includes a crystal with a horizontal...
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6587255 |
Acousto-optic scanning system with fast non-linear scan
An acousto-optic scanning system, which relies on two counter propagating acoustic waves with the same frequency modulation. This scheme completely suppresses the linear frequency chirp, and thus...
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6577429 |
Laser projection display system
A display apparatus includes a laser light source for emitting a light beam having a coherence length; a beam expander for expanding the light beam; a spatial light modulator; beam shaping optics...
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6563845 |
Optical modulation device
The invention relates to an optical modulation device for coupling an entering radiation field ( 12 ), with which an incident radiation field ( 40 ) is divided into a transmitted branch ( 40 T) and...
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6172799 |
Three channel acousto-optical devices
A three channel acousto-optic modulator may be used to implement a projection display or a scanner. Each of three channels are deflected differently by the modulator. The channels may correspond to...
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6088150 |
3-Channel light modulator and modulation method for a high power laser
A 3-channel modulation system for a high power laser and a modulation method for a high power laser are disclosed herein. In a preferred implementation, the modulation system includes a laser light...
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6052216 |
Laser and beam intensity modulation system for imagesetting device
A laser beam intensity modulation system has a variable delay circuit that is used to control the relative delay in the delivery of a video signal between two cascaded AOM's. This delay circuit is...
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5937271 |
Method for manufacturing a thin film actuated mirror array
An inventive method for manufacturing an array of M×N thin film actuated mirrors for use in an optical projection system includes the step of: providing a substrate; depositing a thin film...
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5890789 |
Multi-beam emitting device having an acoustooptic element
A multi-beam emitting device which splits a light beam emitted from a light source into a plurality of beams with a beam splitter to emit a plurality of beams. As the beam splitter, an optical...
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5801874 |
Optical scanning system having multi-pass acoustic traveling wave lens
A folded acoustic traveling wave lens arrangement imparts multiple passes of an incident optical beam through the traveling wave lens, and thereby effectively maximize utilization of acoustic...
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5682262 |
Method and device for generating spatially and temporally shaped optical waveforms
A method and device for shaping both the temporal and spatial profiles of an input optical pulse to generate an output optical waveform are described. The method includes the step of dispersing the...
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5623360 |
Time delay beam formation
Optical systems are disclosed which are capable of generating and rapidly changing time delays of electrical signals for true time delay beam formation and beam steering and for signal processing...
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5394257 |
Optical neural network system
An optical system of an optical neural network model for parallel data processing is disclosed. Taking advantage of the fact that an auto-correlation matrix is symmetric with respect to a main...
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5363233 |
Optical correlator using fiber optics lasers
A plurality of fiber optic laser members are supported in an apertured plate so as to form an array supplied by an optical pump. Individual members may have the light passing there through...
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5191466 |
High resolution two-directional optical scanner
A high resolution two-directional optical scanner, comprising a source of very high frequency light pulses, a first acousto-optic cell for diffracting the light pulses towards an image plane so as...
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5173790 |
Adaptive filter with correlation weighting structure
An adaptive filter having a correlation weighting structue having a single Bragg cell, acting as a tapped delay line and having an input and an output, the Bragg cell intensity modulating a write...
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5155619 |
Optical AND/OR gate employing non-linear organic polymers and photovoltaic/piezoelectric optical interfaces
A multi-channel/multi-layer optical gate contained within a fiber-optic housing having any number of optical cells disposed within the housing. The optical cells are made up of non-linear organic...
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5122898 |
Acousto-optical deflector
An acousto-optical deflector disclosed, comprising, two crystals and two piezoelectric transducers associated respectively with the crystals and controlled by a variable frequency RF signal for...
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4867542 |
Laser exposure apparatus
A laser exposure system for use in scanning and recording images, the system comprising subdividing the laser beam from the laser source into several parallel traces of laser beams; modulating the...
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4843335 |
Acoustooptic modulation device capable of avoiding impedance mismatching over a wide frequency band
In an acoustooptic modulation device, a plurality of split light beams are produced from a beam splitter in response to a single incident light beam and projected onto partial modulators comprising...
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4776654 |
Scanning optical system
A scanning optical device including a rotating polygonal mirror or oscillating mirror. Two acoustooptical devices are disposed along the path between the light source and the mirror and are set for...
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4686646 |
Binary space-integrating acousto-optic processor for vector-matrix multiplication
An optical processor suitable for matrix-vector multiplication. Coherent light passes through an acousto-optic cell modulated by the elements in the rows of the matrix. This light progresses...
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4652817 |
Acousto-optic chip rate detector
Acousto-optical apparatus for determining the chip rate of a pseudo-random sequence of signals.
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4644267 |
Signal analysis receiver with acousto-optic delay lines
The system makes use of an interferometric Bragg cell for the time delays needed by the multiple antenna inputs in an angle-of-arrival (AOA) measurement system, for accurate measurements over wide...
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4624534 |
Acoustooptic deflection device capable of reducing a reflection loss over a wide frequency band
In an acoustooptic deflection device, a plurality of split light beams are produced from a beam splitter in response to a single incident light beam and projected onto partial deflectors comprising...
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4579421 |
Optical adaptive filter
An electrooptic apparatus is disclosed for linear predictive adaptive filtering. The apparatus combines the desirable filtering effects of a correlation cancellation loop method of linear...
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4477184 |
Obstacle detection system for use in vehicles
An obstacle detection system for vehicles comprises a laser radar mounted on the front end of a vehicle and modulated by drive pulses of high rate. The laser pulses are deflected in two orthogonal...
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4468093 |
Hybrid space/time integrating optical ambiguity processor
A hybrid space/time integrating optical ambiguity processor in which time-sequential segments of a spatially modulated optical signal are received in a two-dimensional optical modulator. The output...
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4455485 |
Laser beam scanning system
A laser beam scanning system for focusing a laser beam to a fine spot and for scanning precisely a large field includes an acousto-optical deflector enabled to deflect a laser beam in the direction...
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4453160 |
Message character image projection control means
Message character image projection control means for establishing conditions which simulate the eye glass or contact lens needs of an individual utilizing acousto-optic light refracting principles...
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4443066 |
Acousto-optical apparatus for shifting a beam of light
Apparatus for translating the position of a coherent beam of light using one or more acousto-optical cells. The beam is incident upon an acousto-optical cell through which acoustic waves of a...
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4440472 |
Space integrating ambiguity processor
A space integrating optical ambiguity processor in which two one-dimensional modulators provide two-dimensional processing capability. Signals to be processed drive orthogonal Bragg cells oriented...
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4426134 |
Three and four product surface-wave acousto-optic time integrating correlators
A method and device for processing spread-spectrum and other wideband comications and radar signals to obtain three and four product correlated signals. A laser beam is split and shaped into first...
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4367926 |
Light beam intensity stabilizing method
A method for stabilizing the intensity of a light beam emitted by a light source and deflected by an acoustooptical deflector element which is controlled by a control signal and is arranged in a...
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4344675 |
Optical signal processing device
An optical system including a radio frequency signal input; a chirp signal input; a source for emitting a beam of radiation; a first acousto-optical modulator disposed in the path of the beam and...
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4332441 |
Coherently pulsed laser source
An electronically controllable apparatus is described which modulates a continuous wave laser beam 22 so as to produce an output beam 42 consisting of coherent "pulses" that are electronically...
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4330178 |
Illuminated subject matter image dissecting and elemental light output alignment control means
The invention relates to optical systems incorporating means for dissecting a formation of light stemming from illuminated subject matter at one location within a telecommunications system and...
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4290672 |
Plural line acousto-optically modulated laser scanning system
Unwanted interference effects arising in those high speed laser scanning systems, particularly those used in printing, employing an acousto-optical modulator for scanning with a plurality of...
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4240715 |
Graphic symbol line position control means for high speed printing
The invention relates to an improved optical system for selecting and presenting individual graphic symbols from an illuminated array of such symbols and establishing individual line positions...
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4164717 |
Acoustooptic modulation and deflection
Acoustooptic apparatus for intensity modulating and angularly deflecting a beam of coherent light includes optical means for spreading the beam into a sheet having a cross-sectional shape with a...
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4124280 |
Acoustic-optic technique for processing many signals simultaneously
An acousto-optic apparatus utilizing multiplexing techniques, for obtaining he correlation of N pairs of signals. First and second sets of signals are combined in a piezoelectric crystal, and each...
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4110016 |
Acousto-optic real time correlator
An acousto-optic correlator device comprised of two parallel piezoelectric rystals having different acoustic velocities. Acoustic transducers are located at one end of the respective crystals, and...
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4090204 |
Electronically steered antenna system using a reflective surface formed of piezoelectric transducers
Electronically steered antenna system is provided by placing a panel of dielectric material with specific thickness and dielectric constant spaced forward of an array of piezoelectric transducers....
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