发明名称 |
Data Storage in a Diffractive Optical Element |
摘要 |
A diffractive optical element (DOE) and various methods of producing such a DOE are provided in which a diffractive optical microstructure is formed with encrypted data on at least one side of a transparent substrate or in a layer applied to the substrate. The diffractive optical microstructure when illuminated with collimated light, generates a far field interference pattern corresponding to the encrypted data which may be decrypted with suitable optical detectors and processing equipment.
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申请公布号 |
US2010195174(A1) |
申请公布日期 |
2010.08.05 |
申请号 |
US20070161036 |
申请日期 |
2007.01.16 |
申请人 |
SECURENCY INTERNATIONAL PTY. LTD. |
发明人 |
NEMETH JOSHUA ROBERT;POWER GARY FAIRLESS;STEWART ROBERT |
分类号 |
G03H1/00 |
主分类号 |
G03H1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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