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LIGHTWEIGHT ADAPTIVE METAL COOLED MIRRORTech for Transfer UAH_techsell 19-05-2015 Additive manufacturing is the process of printing a three-dimensional structure based on a solid CAD model. A major advantage of additive manufacturing is its ability to create 3D structures that would otherwise be extremely difficult to produce. However, the capabilities of additive manufacturing have not been explored in regards to heat mitigation in optical mirrors, such as those used in solar collection systems. Lasers Tell me more |
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LASER-ASSISTED TAPE PLACEMENT OF THERMOPLASTIC COMPOSITESTech for Transfer ANU__techsell 20-05-2015 Method for processing thermoplastic materials using a laser-assisted tape placement system. Lasers Tell me more |
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EFFICIENT COOLING OF LED LAMPSTech for Transfer OG__techsell 28-05-2015 This invention presents an integrated lighting system that facilitates the cooling of LEDs by using a heatsink with an optimized structure that maximizes the heat removal by natural convection and thermal radiation. This cooling technique is the most efficient solution for solving the problem of hot spots formed in the chips of multiple LED systems and in the phosphor used for changing color in LEDs. Light sources Tell me more |
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ADAPTIVE ATTENUATING SPATIAL LIGHT MODULATORTech for Transfer UOC__techsell 08-06-2015 It is often desirable to control the contrast of specific regions of an image in a variety of applications despite extreme variations in brightness of light emanating from neighboring regions. For example, intensified CCD cameras used for night vision suffer from blooming and halo, meaning that distant, bright sources of light look larger and closer than they are, because the excess charge on the CCD "spills over" into adja- cent areas. This results in distortion and/or masking of the portion of the image originating near the bright light source. Adaptive Optics Light sources Tell me more |
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AXICON LENS ARRAY WITH LARGE DEPTH-OF-FIELD AND FOCUSING RANGETech for Transfer TTO 16-12-2015 An optical lens array for imaging and illumination applications is provided. The lens array comprises three conical surface lenses or axicons positioned along the same optical axis. The third axicon provides an objective lens to a focal region and is positioned at a fixed location in the array. The distance between the first and second axicons can be altered to control the position of the focal region defined by the depth of field for imaging applications and depth of focus for illumination applications of the third axicon. Optical Components & Devices Tell me more |
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III-V PHOTONIC INTEGRATION ON SILICONTech for Transfer TTO 17-12-2015 Technology for making photonic integrated circuits on silicon by bonding a wafer of III-V material as an active region to silicon and removing the substrate. The coupling between the silicon waveguide and the III-V gain region allows for integration of low threshold lasers, tunable lasers, and other photonic integrated circuits with CMOS integrated circuits. Optoelectronics Semiconductors Tell me more |
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DIRECT LASER AND ULTRAVIOLET LITHOGRAPHY OF POROUS SILICON PHOTONIC CRYSTAL DEVICESTech for Transfer TTO 18-12-2015 A simple method to locally change the optical properties of porous silicon multilayers and photonic crystal architectures. This technique allows for the direct photolithography of porous silicon multilayers, heterostructures, and photonic crystals. Adaptive Optics Glass & other optical materials Optical Components & Devices Tell me more |
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LOW-TEMPERATURE, HIGH-RATE NITRIDE ALLOY GROWTH PROCESSTech for Transfer TTO 19-12-2015 Group-III Nitride semiconductor alloy growth process that works at lower temperatures while achieving higher growth rates than conventional processes. This method improves upon other processes by periodically modulating the metal flux while maintaining a constant nitrogen flux. Semiconductors Thin-Film Materials Tell me more |
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HIGH PEAK POWER OPTICAL AMPLIFIERTech for Transfer TTO 19-12-2015 A method and apparatus for providing a high peak power optical beam. The method includes interleaving pulse trains of different wavelengths and spatially and temporally overlapping the different wavelengths to produce an amplified output beam with very high peak power. Lasers Optical Components & Devices Tell me more |
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THULIUM LASERTech for Transfer TTO 19-12-2015 A laser with a gain medium comprising crystalline material (e.g., a polycrystalline material) doped with thulium and a method of generating light from a gain medium comprising crystalline material doped with thulium. Lasers Light sources Optical Engineering Tell me more |
