http://www.freshpatents.com/Optical--systems-and-elements-dtnewntc359.php USPTO Class 359 - Optical: systems and elements en-us Mon, 17 Jun 2013 13:37:20 -0700 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/-dt20130613ptan20130148178.php Mon, 17 Jun 2013 13:37:20 -0700 An identification document authenticator and method of operating the same is disclosed. Specifically, the authenticator is equipped with a light source that illuminates an identification document. Authentic identification documents may comprise one or more diffractive elements that, when illuminated, generate a unique image. The image is then viewable via a... http://www.freshpatents.com/-dt20130613ptan20130148179.php Mon, 17 Jun 2013 13:37:20 -0700 Disclosed are various embodiments of a holographic display device that may reproduce dynamic color holograms and holographic video. A holographic display device includes a processor, a memory, a display screen, and one or more monochromatic light sources. The memory stores a holographic interference pattern that encodes a three-dimensional scene. The... http://www.freshpatents.com/-dt20130613ptan20130148180.php Mon, 17 Jun 2013 13:37:20 -0700 wherein the photorefractive composite exhibits photoconductivity and optical nonlinearity. A photorefractive composite, a spatial light modulator and a hologram display device using the same include at least one carborane compound expressed as the following Chemical Formulae 1A through 1C:... http://www.freshpatents.com/-dt20130613ptan20130148181.php Mon, 17 Jun 2013 13:37:20 -0700 wherein the photorefractive composite exhibits photoconductivity and optical nonlinearity. A photorefractive composite, a spatial light modulator and a hologram display device using the same include at least one carborane compound expressed as the following Chemical Formulae 1A through 1C:... http://www.freshpatents.com/-dt20130613ptan20130148182.php Mon, 17 Jun 2013 13:37:20 -0700 A method and apparatus for reducing speckle noise in an image of an object are disclosed. The method includes, placing the object in an interferometer at a first position along a beam path of an object beam, irradiating the object with the object beam, moving the object from the first... http://www.freshpatents.com/-dt20130613ptan20130148183.php Mon, 17 Jun 2013 13:37:20 -0700 An apparatus and method of image reconstruction are disclosed. The method includes first breaking a holographic image into a plurality of interlaced sample sets corresponding to color separation images; and independently sampling, filtering, and reconstructing all sets. The resulting demodulated images contain no fringes. Notably, range-clipped tonal rendering curves are... http://www.freshpatents.com/-dt20130613ptan20130148184.php Mon, 17 Jun 2013 13:37:20 -0700 A confocal optical scanner includes: a plurality of condenser elements each configured to concentrate illumination light to be applied on a sample to produce fluorescence from the sample; a plurality of optical scanning units including a plurality of openings each configured to allow the illumination light concentrated by the condenser... http://www.freshpatents.com/-dt20130613ptan20130148185.php Mon, 17 Jun 2013 13:37:20 -0700 A laser pulse stretching unit is described herein which is configured to change the reflectivity of one or more beam splitters located therein to change a temporal profile of an output beam without needing to adjust a length of any delay lines. In addition, a method is described herein for... http://www.freshpatents.com/-dt20130613ptan20130148186.php Mon, 17 Jun 2013 13:37:20 -0700 A surface plasmon polariton modulator capable of locally varying a physical property of a dielectric material to control a surface plasmon polariton. The surface plasmon polariton modulator includes a dielectric layer, including first and second dielectric portions, which is interposed between two metal layers. The second dielectric portion has a... http://www.freshpatents.com/-dt20130613ptan20130148187.php Mon, 17 Jun 2013 13:37:20 -0700 A windshield assembly that includes a fluorescent electrowetting cell and an opaque electrowetting cell overlying a windshield and configured so the opaque electrowetting cell cooperates with the fluorescent electrowetting cell to contrast an image displayed by the fluorescent electrowetting cell with respect to a field of view beyond the windshield... http://www.freshpatents.com/-dt20130613ptan20130148188.php Mon, 17 Jun 2013 13:37:20 -0700 Methods and apparatus for optimising, improving or maximising the efficiency of an acousto-optic lens (AOL) system are disclosed. Data relating to efficiency is used to select drive frequencies of the acousto-optic devices (AODs) forming the AOL, thereby both increasing the usable field of view and reducing a prior art patternation... http://www.freshpatents.com/-dt20130613ptan20130148189.php Mon, 17 Jun 2013 13:37:20 -0700 CdSiP2 crystals with sizes and optical quality suitable for use as nonlinear optical devices are disclosed, as well as NLO devices based thereupon. A method of growing the crystals by directional solidification from a stoichiometric melt is also disclosed. The disclosed NLO crystals have a higher nonlinear coefficient than prior... http://www.freshpatents.com/-dt20130613ptan20130148190.php Mon, 17 Jun 2013 13:37:20 -0700 Methods and apparatus for the active control of a wavelength-swept light source used to interrogate optical elements having characteristic wavelengths distributed across a wavelength range are provided.... http://www.freshpatents.com/-dt20130613ptan20130148191.php Mon, 17 Jun 2013 13:37:20 -0700 A fiber laser amplifier system including a beam splitter that splits a feedback beam into a plurality of fiber beams where a separate fiber beam is sent to a fiber amplifier for amplifying the fiber beam. A tapered fiber bundle couples all of the output ends of all of the... http://www.freshpatents.com/-dt20130613ptan20130148192.php Mon, 17 Jun 2013 13:37:20 -0700 Exemplary embodiments of the invention are drawn to a method and apparatus for the differentiation of power and channel count changes in optically amplified links. Additionally, configuration of a corresponding optical amplifier can be based on the determination of the power and channel count changes.... http://www.freshpatents.com/-dt20130613ptan20130148193.php Mon, 17 Jun 2013 13:37:20 -0700 A fiber laser amplifier system including a beam splitter that splits a feedback beam into a plurality of fiber beams where a separate fiber beam is sent to a fiber amplifier for amplifying the fiber beam. A tapered fiber bundle couples the output ends of all of the fiber amplifiers... http://www.freshpatents.com/-dt20130613ptan20130148194.php Mon, 17 Jun 2013 13:37:20 -0700 The present invention generally relates to nanoantenna arrays and methods of their fabrication. In particular, one aspect relates to nanoantenna arrays comprising nanostructures of predefined shapes in predefined patterns, which results in collective excitement of surface plasmons. In some embodiments the nanoantenna arrays can be used for spectroscopy and nanospectroscopy.... http://www.freshpatents.com/-dt20130613ptan20130148195.php Mon, 17 Jun 2013 13:37:20 -0700 The invention provides a light-transfer imager that can be incorporated into a hyperspectral line-scanner, a spectrograph or a non-diffractive image relay device, and more particularly, to a design having a simpler optical design that is easier to fabricate, and has superior imaging quality than most previous designs. The invention includes... http://www.freshpatents.com/-dt20130613ptan20130148196.php Mon, 17 Jun 2013 13:37:20 -0700 An apparatus, system and method for microscopy. The apparatus, system and method includes a stage configured to receive an item; a tunable acoustic gradient index of refraction (TAG) lens having a first aspect positioned to image the received item, wherein the first aspect of the TAG lens is configured to... http://www.freshpatents.com/-dt20130613ptan20130148197.php Mon, 17 Jun 2013 13:37:20 -0700 An apparatus including a component of a circular polarizer; and conductive interconnect integrated with the component of the circular polarizer.... http://www.freshpatents.com/-dt20130613ptan20130148198.php Mon, 17 Jun 2013 13:37:20 -0700 There is disclosed a multilayer optical sheet module including an upper optical sheet comprising a first structural pattern projected upward; a lower optical sheet disposed under the upper optical sheet, the lower optical sheet comprising a second structural pattern projected toward the upper optical sheet; and an adhesion layer provided... http://www.freshpatents.com/-dt20130613ptan20130148199.php Mon, 17 Jun 2013 13:37:20 -0700 Embodiments relate to a display device for enhancing image quality. The disclosed display device includes: a display panel configured to display an image; a Poly-Vinyl Acetate (PVA) layer configured to linearly polarize external light; and a Quarter Wave Plate (QWP) configured to circularly polarize light where the QWP has an... http://www.freshpatents.com/-dt20130613ptan20130148200.php Mon, 17 Jun 2013 13:37:20 -0700 An optical arrangement, e.g. a projection exposure apparatus (1) for EUV lithography, includes: a housing (2) enclosing an interior space (15); at least one, preferably reflective optical element (4-10, 12, 14.1-14.6) arranged in the housing (2); at least one vacuum generating unit (3) for the interior space (15) of the... http://www.freshpatents.com/-dt20130613ptan20130148201.php Mon, 17 Jun 2013 13:37:20 -0700 Structured surface articles such as molds or sheeting are formed on a compound substrate including a machined substrate and a replicated substrate. In one embodiment, the structured surface is a cube corner element on a compound substrate. In another embodiment, the structured surface is a geometric structure that has a... http://www.freshpatents.com/-dt20130613ptan20130148202.php Mon, 17 Jun 2013 13:37:20 -0700 A microscope objective lens includes, in order from an object side, a first lens group having positive refractive power, a second lens group having positive refractive power, and a third lens group having negative refractive power, and is configured such that the first lens group includes, on the most object... http://www.freshpatents.com/-dt20130613ptan20130148203.php Mon, 17 Jun 2013 13:37:20 -0700 Extremely ultrashort and short-wave light pulses are generated with the aid of the traveling-wave Thomson scattering process. Dispersive elements are arranged between an electron, particle, or radiation source, which is synchronized with a laser system, and an optical element that focuses in a direction. The device is used to superpose... http://www.freshpatents.com/-dt20130613ptan20130148205.php Mon, 17 Jun 2013 13:37:20 -0700 Provided are a method of producing an antireflection film having a low reflectance, the film using hollow particles having good shape uniformity, and a lens. The method includes: applying, onto the base material, a dispersion containing core-shell particles each using an organic polymer as a core and silica as a... http://www.freshpatents.com/-dt20130613ptan20130148206.php Mon, 17 Jun 2013 13:37:20 -0700 A lens includes a plurality of raised portions and recessed portions in an arrangement, and includes an antireflection structure which reduces reflection of light whose wavelength is equal to or greater than a cycle of the raised portions and a cycle of the recessed portions. The antireflection structure includes an... http://www.freshpatents.com/-dt20130613ptan20130148204.php Mon, 17 Jun 2013 13:37:20 -0700 A deployable visor for shielding a flat panel display from unwanted light impingement to aid the user of the flat panel device to effectively view information on the display. The visor includes two slideable support members to which a shade is attached. The support members are slideable within a cavity... http://www.freshpatents.com/-dt20130613ptan20130148207.php Mon, 17 Jun 2013 13:37:20 -0700 A laser pulse stretching unit is described herein which has one or more nested optical delay paths. In addition, a method for using the laser pulse stretching unit is also described herein.... http://www.freshpatents.com/-dt20130613ptan20130148208.php Mon, 17 Jun 2013 13:37:20 -0700 This invention provides a plastic optical lens having a sprue gate plane. An average height of the portion defined by the width of the sprue gate plane is larger than at least one portion outside of a width of the sprue gate plane of any annular cross-section centering an optical... http://www.freshpatents.com/-dt20130613ptan20130148209.php Mon, 17 Jun 2013 13:37:20 -0700 A lens structure is provided. The lens structure comprises a first barrel and a second barrel. The first barrel comprises a first pin and a second pin. The second barrel comprises a continuous groove. Wherein in a wide-angle end, the first pin is located in the continuous groove and the... http://www.freshpatents.com/-dt20130613ptan20130148210.php Mon, 17 Jun 2013 13:37:20 -0700 A projection lens system includes, in order from a screen-side to an SLM-side thereof, a first lens group of negative refractive power which includes a first lens, and a second lens group of positive refractive power. The second lens group includes a second to fifth lenses in order from the... http://www.freshpatents.com/-dt20130613ptan20130148211.php Mon, 17 Jun 2013 13:37:20 -0700 A zoom lens, in order from an object side to an image side, includes a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, and a fourth lens unit having a positive refractive... http://www.freshpatents.com/-dt20130613ptan20130148212.php Mon, 17 Jun 2013 13:37:20 -0700 An optical device includes a first and second lens group, an operation member, a first and second lens group position detection unit, a storage unit, a control unit. The control unit controls the movement of the second lens group based on positional information of the first lens group detected by... http://www.freshpatents.com/-dt20130613ptan20130148213.php Mon, 17 Jun 2013 13:37:20 -0700 wherein F1 is the effective focal length of the first lens; F is the effective focal length of the projection lens system. 4.5<|F1|/F<6; A projection lens system includes, in order from the magnified side to the reduced side thereof, a first lens group with negative refractive power, and a second lens group... http://www.freshpatents.com/-dt20130613ptan20130148214.php Mon, 17 Jun 2013 13:37:20 -0700 The present invention is directed to an imaging lens with an optical system that comprises the foremost lens group closest to an object and of positive refractivity, the succeeding middle lens group, and the rearmost lens group closest to an image plane and of negative refractivity where the middle lens... http://www.freshpatents.com/-dt20130613ptan20130148215.php Mon, 17 Jun 2013 13:37:20 -0700 A digital camera comprising a lens barrel linking plate, a frame unit, and first and second lens barrels. The frame unit has first to third bosses that are linked to the lens barrel linking plate. The first and second lens barrels are disposed between the lens barrel linking plate and... http://www.freshpatents.com/-dt20130613ptan20130148216.php Mon, 17 Jun 2013 13:37:20 -0700 A lens structure is provided. The lens structure comprises a first barrel, at least one guider and a second barrel. The first barrel has a first groove, and comprises a first pin. The guider is slidably set to the first groove. The guider comprises a main body, a first limiting... http://www.freshpatents.com/-dt20130613ptan20130148217.php Mon, 17 Jun 2013 13:37:20 -0700 A lens cap unit includes a mounting part mounted on a fixed cylinder in which a movable lens cylinder is movably contained, at least one barrier provided on the mounting part to be movable between a closed position covering a leading end portion of the movable lens cylinder and an... http://www.freshpatents.com/-dt20130613ptan20130148218.php Mon, 17 Jun 2013 13:37:20 -0700 A mirror imaging system for military vehicles such as Humvees. Mirror assemblies with preferred convex and/or ellipsoidal lens members are positioned outside the front and sides of the vehicles to provide extended fields of view around the vehicles. The mirror assemblies have spring actuated rotation mechanisms which allow the mirror... http://www.freshpatents.com/-dt20130613ptan20130148219.php Mon, 17 Jun 2013 13:37:20 -0700 An exterior mirror of a motor vehicle includes a mirror casing attached to a vehicle body wall via a mirror base and connected to an air guide ring by webs. The air guide ring surrounds a region of the mirror casing to form an air gap therebetween. The rear edge... http://www.freshpatents.com/-dt20130613ptan20130148220.php Mon, 17 Jun 2013 13:37:20 -0700 A mirror assembly for a motorcycle helmet includes an elongated shell having a partially-enclosed space for housing a mirror that is pivotally secured therein, and which reflects an image of the view behind the motorcyclist. The backing of the mirror and the inner surface of the shell are joined together... http://www.freshpatents.com/-dt20130613ptan20130148221.php Mon, 17 Jun 2013 13:37:20 -0700 A non-dichroic omnidirectional structural color multilayer structure. The non-dichroic omnidirectional structural color multilayer structure has an absorbing layer, a first layer extending across the absorbing layer, and a second layer extending across the first layer. The multilayer structure can reflect a narrow band of electromagnetic radiation that has a width... http://www.freshpatents.com/-dt20130613ptan20130148222.php Mon, 17 Jun 2013 13:37:20 -0700 An optical filter switching apparatus of a surveillance device includes a housing, a driving apparatus, a optical filter holding bracket, and at least two optical filters. The housing includes a top housing and a bottom housing. A guiding mechanism is placed in the bottom housing, and the optical filter holding...