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公开(公告)号：US20230101762A1
公开(公告)日：2023-03-30
申请号：US17956069
申请日：2022-09-29
发明人： Seunghoon HAN , Amir ARBABI , Hyunsung PARK
摘要： A see-through type display apparatus includes an image projector configured to output image light, a waveguide configured to receive the image light output from the image projector and transmit the image light to a user's view, and a first lens having a negative refractive power and a second lens having a positive refractive power, which are arranged on both surfaces of the waveguide. Each of the first lens and the second lens includes one or more meta lenses and is configured to operate as a lens with almost no chromatic aberration, thereby implementing a thin optical system having good image quality.
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公开(公告)号：US20230092924A1
公开(公告)日：2023-03-23
申请号：US17990121
申请日：2022-11-18
发明人： Hag Chul KIM , Yong Joo JO , Hwan Soo PARK
摘要： An optical imaging system includes a first lens having negative refractive power, a second lens having negative refractive power, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. The first to seventh lenses are sequentially disposed from an object side toward an image side. The third lens, the fourth lens, the sixth lens, and the seventh lens are formed of plastic, and the first lens, the second lens, and the fifth lens are formed of glass.
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公开(公告)号：US11610925B2
公开(公告)日：2023-03-21
申请号：US16859708
申请日：2020-04-27
发明人： Jinxin Fu , Yongan Xu , Ludovic Godet , Naamah Argaman , Robert Jan Visser
IPC分类号： H01L27/146 , G02B1/00 , G02B27/00 , H04N5/374
摘要： An imaging system and a method of creating composite images are provided. The imaging system includes one or more lens assemblies coupled to a sensor. When reflected light from an object enters the imaging system, incident light on the metalens filter systems creates filtered light, which is turned into composite images by the corresponding sensors. Each metalens filter system focuses the light into a specific wavelength, creating the metalens images. The metalens images are sent to the processor, wherein the processor combines the metalens images into one or more composite images. The metalens images are combined into a composite image, and the composite image has reduced chromatic aberrations.
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84.发明授权公开(公告)号：US11609443B2
公开(公告)日：2023-03-21
申请号：US16764403
申请日：2018-06-07
发明人： Xiangshui Miao , Yitao Lu , Hao Tong , Yi Wang
摘要： Disclosed in the present invention are a chalcogenide phase change material based all-optical switch and a manufacturing method therefor, relating to the field of optical communications. The all-optical switch comprises: stacked in sequence, a cover layer film, a chalcogenide phase change material film, an isolation layer film, a silicon photonic crystal, and a substrate. The silicon photonic crystal comprises a nano-porous structure such that the silicon photonic crystal has a Fano resonance effect. When the all-optical switch is used, the state of the chalcogenide phase change material film is controlled by means of laser, and the resonance state of the silicon photonic crystal is modulated to implement modulation of signal light transmissivity; the modulation range is within a communication band from 1500 nm to 1600 nm, thereby implementing an optical switch. The all-optical switch of the present invention has the characteristics of high contrast ratio, high rate and low loss.
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公开(公告)号：US11609366B2
公开(公告)日：2023-03-21
申请号：US16646614
申请日：2019-09-06
发明人： Zhuolin Jiang
摘要： The present disclosure discloses a flexible substrate, a method of manufacturing the same, and a display device. The flexible substrate includes a plurality of substrate structure layers that are superimposed, and at least one of the plurality of substrate structure layers includes an organic layer, an inorganic layer and a photonic crystal layer that are superimposed.
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公开(公告)号：US20230085245A1
公开(公告)日：2023-03-16
申请号：US17940993
申请日：2022-09-08
发明人： Xinghui YIN , Federico CAPASSO
IPC分类号： G02B1/00
摘要： Disclosed is a broadband achromatic metasurface waveplate including a device that includes a plurality of nanostructures physically coupled to a substrate and formed at least partially of a dielectric material having a first refractive index and an anti-reflective film applied to a surface of the device. The anti-reflective film may include a material having a second refractive index that is less than the first refractive index. The device and the anti-reflective film may modify incident light with wavelengths extending over a bandwidth of at least 100 nanometers to impart a substantially uniform phase retardation across the wavelengths and a transmittance of at least 90 percent across the wavelengths.
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公开(公告)号：US20230070293A1
公开(公告)日：2023-03-09
申请号：US17752069
申请日：2022-05-24
申请人： ColdQuanta, Inc.
发明人： Taek il OH , Steven Michael HUGHES
IPC分类号： G02B1/00
摘要： Metamaterial optics are integrated with vacuum-boundary walls of ultra-high-vacuum (UHV) cells to manipulate light in a manner analogous to various bulk optical elements including lenses, mirrors, beam splitters, polarizers, waveplate, wave guides, frequency modulators, and amplitude modulators. For example, UHV cells can have metasurface lenses formed on interior and/or exterior surfaces on one or more of their vacuum-boundary walls. Each metasurface lens can include a plurality of mesas with the same height and various cross-sectional dimensions. The uses of metasurface lenses allows through-going laser beams to be expanded, collimated or focused without using bulky refractive optics. Each metasurface lens can be formed on a cell wall using photolithographic or other techniques.
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88.发明申请公开(公告)号：US20230067758A1
公开(公告)日：2023-03-02
申请号：US17896764
申请日：2022-08-26
摘要： Devices and methods are disclosed for near unity absorption or near zero reflection of electromagnetic radiation over a wide range of wavelengths, omnidirectionally and that use the absorbed radiation to enhance the catalysis conversion of reactant chemicals to product chemicals of interest via the patterning of subwavelength metamaterial elements as a surface, or colloidal clusters of subwavelength particles as a suspension. The arrangements, dimensions, materials and geometries of the unit elements of the meta-surface or colloidal clusters may be selected to produce an effective refractive index lower than that of the refractive index of the comprising materials, such that the effective index approaches the index of the surrounding medium. Impedance matching, plasmonic modes between the metamaterial elements or cluster nanoparticles, ohmic material losses, and bandgap absorption may be combined to achieve broadband near-unity absorption and/or modulated thermal emission bands, enhancing the catalysis rates of gas, liquid and multi-phase chemical reactions.
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公开(公告)号：US20230054279A1
公开(公告)日：2023-02-23
申请号：US17974325
申请日：2022-10-26
发明人： Shih-Yuan WANG , Shih-Ping Wang
IPC分类号： H01L31/0236 , H01L31/0352 , H01L31/18 , H01L27/144 , H04B10/69 , H01L31/02 , H01L31/0232 , H01L31/09 , H01L31/103 , H01L31/028 , H01L31/107 , H04B10/25 , H04B10/40 , H04B10/80 , G02B1/00 , G02B6/42 , H01L27/146 , H01L31/077 , H01L31/036 , H01L31/075 , H01L31/105
摘要： Microstructures of micro and/or nano holes on one or more surfaces enhance photodetector optical sensitivity. Arrangements such as a CMOS Image Sensor (CIS) as an imaging LIDAR using a high speed photodetector array wafer of Si, Ge, a Ge alloy on SI and/or Si on Ge on Si, and a wafer of CMOS Logic Processor (CLP) ib Si fi signal amplification, processing and/or transmission can be stacked for electrical interaction. The wafers can be fabricated separately and then stacked or can be regions of the same monolithic chip. The image can be a time-of-flight image. Bayer arrays can be enhanced with microstructure holes. Pixels can be photodiodes, avalanche photodiodes, single photon avalanche photodiodes and phototransistors on the same array and can be Ge or Si pixels. The array can be of high speed photodetectors with data rates of 56 Gigabits per second, Gbps, or more per photodetector.
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公开(公告)号：US11585961B2
公开(公告)日：2023-02-21
申请号：US16338567
申请日：2017-10-03
发明人： Andrew James Comley
摘要： This invention relates to a device for rapid focus control of one or more lasers. The controlled beam (5), is refracted by the dynamic refraction device (1) whose refractive index is set by its response to the control beam (3). The invention can be used for rapid focus and re-focus of a laser on a target as might be useful in such industries as flat panel television manufacturing, fuel injector nozzle manufacture, laser material processing/machining, laser scanning and indirect drive inertial confinement fusion.
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