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Browse by Category: Main > Optical & Optics
Class Information
Number: 359/573
Name: Optical: systems and elements > Diffraction > From grating > Including particular grating characteristic > Variable grating
Description: Subject matter wherein the optical characteristics of the diffraction grating can be altered by the application of an external force.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8687277 Stacked-grating light modulator Apr. 1, 2014
8681423 Light modulation employing fluid movement Mar. 25, 2014
8681424 Diffractive optical element containing grating surface and grating wall surface, and optical system having the same Mar. 25, 2014
8593562 Optical aliasing filter, pixel sensor arrangement and digital recording device Nov. 26, 2013
8537310 Polarization-independent liquid crystal display devices including multiple polarization grating arrangements and related devices Sep. 17, 2013
8500805 Method for manufacturing aphakic intraocular lens Aug. 6, 2013
8498053 Spatial light modulator using electrowetting cells Jul. 30, 2013
8488646 HCG reflection enhancement in diverse refractive index material Jul. 16, 2013
8405900 Projection apparatus Mar. 26, 2013
8369017 Optical pulse shaping method and apparatus Feb. 5, 2013
8363298 Diffraction gratings with tunable efficiency Jan. 29, 2013
8314990 Film having a reflective layer with at least one pigmented lake layer, process for the production thereof and use Nov. 20, 2012
8306376 Method and apparatus for multiplexing optical information for recording and reproducing optical information over optical storage medium Nov. 6, 2012
8274738 Space-variant polarization manipulation of thermal emission Sep. 25, 2012
8270080 Diffractive optical element and method for manufacturing same Sep. 18, 2012
8264936 Diffractive optical element, objective optical system including the same, and optical pickup including the same Sep. 11, 2012
8238027 Security element provided in the form of a multilayered film body Aug. 7, 2012
8228129 Photonic crystal resonant defect cavities with nano-scale oscillators for generation of terahertz or infrared radiation Jul. 24, 2012
8218239 Light-diffusing grating Jul. 10, 2012
8106993 Diffractive imaging lens, diffractive imaging lens optical system, and imaging apparatus using the diffractive imaging lens optical system Jan. 31, 2012
8072684 Optical device using laterally-shiftable diffraction gratings Dec. 6, 2011
8014050 Agile holographic optical phased array device and applications Sep. 6, 2011
8009356 Tunable surface plasmon devices Aug. 30, 2011
8000001 Method of forming polymeric microarray support Aug. 16, 2011
7986605 Optical pickup and optical disc apparatus using the same Jul. 26, 2011
7972004 System and method for uniform light generation Jul. 5, 2011
7940457 Energy-efficient optoelectronic smart window May. 10, 2011
7903337 High contrast grating light valve Mar. 8, 2011
7864426 High aspect-ratio X-ray diffractive structure stabilization methods and systems Jan. 4, 2011
7843638 Optical system for light flux transfer, and retinal scanning display using such an optical system Nov. 30, 2010
7801008 Diffractive optical element, objective optical system including the same, and optical pickup including the same Sep. 21, 2010
7746558 Method for producing grating images Jun. 29, 2010
7738173 Optical safety element and system for visualising hidden information Jun. 15, 2010
7729052 Non-planar optical diffraction grating having an arbitrary parallel groove profile Jun. 1, 2010
7724298 Image processing system and method for pick up and display of an object including division of an optical image of the object into a spectrum May. 25, 2010
7679825 Optical safety element and system for visualising hidden information Mar. 16, 2010
7679826 Diffractive, polarization modulating optical devices Mar. 16, 2010
7630135 Two-dimensional blazed MEMS granting Dec. 8, 2009
7619820 Dot matrix holograms with spatially varying period Nov. 17, 2009
7595931 Grating for EUV lithographic system aberration measurement Sep. 29, 2009
7563011 Light panel Jul. 21, 2009
7502168 Optical device and image display apparatus Mar. 10, 2009
7495814 Raster scanning-type display device using diffractive optical modulator Feb. 24, 2009
7483604 Diffractive grating element for balancing diffraction efficiency Jan. 27, 2009
7463419 Optoelectronic sensor Dec. 9, 2008
7463420 Configurable diffractive optical element Dec. 9, 2008
7460302 Dynamic optical devices Dec. 2, 2008
7453644 Grating for EUV lithographic system aberration measurement Nov. 18, 2008
7440188 Diffractive optical element Oct. 21, 2008
7437036 Optical device and method for manufacturing the same Oct. 14, 2008

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