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Fabrication of Diffractive Optical Elements by Near-Field Optical Lithography

Fabrication of Diffractive Optical Elements by Near-Field Optical Lithography
近场光学光刻法制造衍射光学元件
批准号:
9361263
负责人:
John Bowen
金额:
$6.5万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1994
资助国家:
美国
项目状态:
已结题
起止时间:
1994-03-15 至 1995-02-28

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中文摘要
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英文摘要
9361263 Bowen Several methods are currently being developed for the production of surface-relief diffractive optics including photolithography, single-point diamond turning, and single-point laserwriting. All of these methods are limited in either the achievable geometries or minimum feature size. In order to realize the full commercial potential of diffractive optics and subwavelength structured surfaces, it is necessary to create structures that consist of smaller features. We propose to investigate the use of near-field scanning optical lithography (NSOL) for the fabrication of diffractive structures that can be used at high numerical aperture and short wavelengths. Near-field scanning can create structures well below that produced by conventional projection lithography. In order to fabricate useful macroscopic optical devices, it is necessary to increase throughput and extend the manufacturable dimensions of NSOL. This capability will serve to advance optical technology in the areas of UV optical systems, optical data storage and subwavelength structured optics. The ability to fabricate nanometer-sized structures will also be useful for applications in X-ray instruments and micromachining. We have identified commercial applications in document security and polarization components. ***
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    $2.52万
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SHARIAH WITHOUT COURTS: A STUDY OF ISLAMIC JUDICIAL PRACTICES IN ENGLAND
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    $0.0万
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Dissertation Research: The Socialization of Adult Welsh Language Learners
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    0514583
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    2005
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  • 资助金额:
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