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Data storage system and methods using diffractive near-field optics
Data storage system and methods using diffractive near-field optics
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机译:使用衍射近场光学器件的数据存储系统和方法
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摘要
An optical assembly suitable for use with an optical medium for the storage and retrieval of data, the optical assembly comprising: a source of illumination for providing a beam of optical radiation, an objective lens disposed in the optical path of the beam for redirecting the beam to the optical medium, and a diffractive optical element disposed between the redirected beam of radiation and the optical medium such that at least a portion of the redirected beam of radiation passes through a surface of the diffractive optical element and is reflected to the objective lens.
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