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Spectroscopy on mutually incoherently luminescing quantum dots, optical read out of quantum troughs, and fabrication of a writable array of quantum troughs
Spectroscopy on mutually incoherently luminescing quantum dots, optical read out of quantum troughs, and fabrication of a writable array of quantum troughs
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机译:相互不相干的发光量子点的光谱学,从量子槽中读取的光学信息以及可写的量子槽阵列的制造
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摘要
A method of, video rate spectroscopy on a sample 1.8 of mutually incoherently luminescing quantum dots 6 where the geometry of the sample is known from scanning probe microscopies. For the case where /2 =a (Mie scattering) A CCD-array 3, measures the intensity profile of the diffraction peaks of a structural detail of the sample, the Fourier transform of the known sample geometry is removed from the diffraction image, this difference is then fourier back transformed. Where /2 a (Rayleigh scattering) the scattered image of the sample is recorded, scattering theory is applied to the sample and is subtracted from the scattered image, this difference is then back calculated down to the positions of the quantum dots. In both cases, the image may be aperture-less in the far field. The sample may be a 2d or 3d array of quantum dots. The quantum dots may be memory cells. In an alternative embodiment, a method of fabricating an array of quantum dots is disclosed in which an array of metallic nanoparticles are deposited onto a lattice network of potentiometric leads. Optical read out of quantum troughs via scanning probe techniques is also disclosed.
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