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Browse by Category: Main > Optical & Optics
Class Information
Number: 359/305
Name: Optical: systems and elements > Optical modulator > Light wave directional modulation (e.g., deflection or scanning is representative of the modulating signal) > Acousto-optic
Description: Subject matter wherein directional modulation is achieved by applying a modulating sound wave to a device through which a light beam is traversing.










Sub-classes under this class:

Class Number Class Name Patents
359/309 Acting on polychromatic light 24
359/306 Correlation or convolution 45
359/308 Filter 120
359/314 Particular cell orientation 34
359/313 Particular cell shape 47
359/310 Plural cell array 64
359/311 Plural transducers on single cell 91
359/312 Single transducer generating composite plural frequency acoustic wave 48
359/307 Utilizing optical feedback 35


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8687267 Optical wavelength tunable filter Apr. 1, 2014
8681412 Acousto-optical system, microscope and method of use of the acousto-optical system Mar. 25, 2014
8659819 Apparatus and method for operating an acousto-optical component Feb. 25, 2014
8493645 Optically powered optical modulator Jul. 23, 2013
8487208 Laser beam irradiation apparatus and laser working machine Jul. 16, 2013
8462425 Oscillator-amplifier drive laser with seed protection for an EUV light source Jun. 11, 2013
8422110 Optical switch Apr. 16, 2013
8397573 Photoacoustic apparatus Mar. 19, 2013
8400706 Acousto-optic scanner Mar. 19, 2013
8369367 Tunable laser system Feb. 5, 2013
8368971 Light scanning apparatus and scanning display apparatus Feb. 5, 2013
8259383 Beam combiner and a light source with such a beam combiner Sep. 4, 2012
8194306 Variable- beamwidth angle encoding laser scanner Jun. 5, 2012
8174745 Optical unit, method for controlling drive, and holographic apparatus May. 8, 2012
8149500 Bragg mirror and method for making same Apr. 3, 2012
8110159 AOTF-based imaging system and method for hyperspectral and multispectral imaging of specimens including medical tissue Feb. 7, 2012
7965437 Integrated high efficiency multi-stage acousto-optic modulator Jun. 21, 2011
7944607 Method and device for high resolution acousto-optic programmable filtering in the infrared region May. 17, 2011
7869124 Laser microscope Jan. 11, 2011
7855823 Acoustooptic device and optical imaging apparatus using the same Dec. 21, 2010
7843635 Device for trapping or stretching microscopic substance and method thereof Nov. 30, 2010
7839495 System and method for controlling a beam source in a workpiece surface inspection system Nov. 23, 2010
7826130 Device for the optical splitting and modulation of electromagnetic radiation Nov. 2, 2010
7821703 Laser drawing method and apparatus Oct. 26, 2010
7768687 Photoelastic modulator Aug. 3, 2010
7724426 Laser scanning microscope and microscopic observing method May. 25, 2010
7697195 Apparatus for reducing wavefront errors in output beams of acousto-optic devices Apr. 13, 2010
7697794 Micropulse lidar transmitter based on a low-SBS erbium-doped silica fiber Apr. 13, 2010
7684109 Bragg mirror optimized for shear waves Mar. 23, 2010
7684110 High frequency acousto-optic frequency shifter having wide acceptance angle Mar. 23, 2010
7675673 Apparatus for providing multiple time-division multiplexed independently controllable pulsed beams from a single, pulsed laser output-beam Mar. 9, 2010
7667888 Low cost system and method that implements acousto-optic (AO) RF signal excitation Feb. 23, 2010
7630079 Equipment and method for measuring transmittance of photomask under off axis illumination Dec. 8, 2009
7595929 Grooved backside acoustic termination of acousto-optic devices Sep. 29, 2009
7580182 Frequency synthesis for acousto-optic devices Aug. 25, 2009
7548364 Ultra-fast beam dithering with surface acoustic wave modulator Jun. 16, 2009
7535617 Portable acousto-optical spectrometers May. 19, 2009
7528940 System and method for inspecting an object using an acousto-optic device May. 5, 2009
7483196 Apparatus for multiple beam deflection and intensity stabilization Jan. 27, 2009
7443567 Image enhancement of a microdisplay through acoustooptics Oct. 28, 2008
7423818 Method of suppressing distortion of a working laser beam of a laser link processing system Sep. 9, 2008
7421212 Detecting and locating pulses using a Bragg cell Sep. 2, 2008
7414773 Device for dispersing light pulses of which the spectral amplitude is programmable Aug. 19, 2008
7405858 Acousto-optic tunable filter control apparatus automatically adjusting frequency and power of radio frequency signal Jul. 29, 2008
7343056 Acoustooptic filter Mar. 11, 2008
7327896 Testing apparatus and method for a spectral imaging system Feb. 5, 2008
7283290 Acousto-optic devices having highly apodized acoustic fields and methods of forming the same Oct. 16, 2007
7253950 Scanning laser microscope Aug. 7, 2007
7245789 Systems and methods for minimally-invasive optical-acoustic imaging Jul. 17, 2007
7239439 Communication system using variable pattern acousto-optic modulation Jul. 3, 2007

1 2 3 4 5 6 7










 
 
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