Optical security by use of a random selected binary phase code

Bor Wang; Ching Cherng Sun; Wei Chia Su

Optical security by use of a random selected binary phase code

光電科學與工程學系

研究成果: 雜誌貢獻 › 會議論文 › 同行評審

摘要

An optical security system using a random selected binary phase code is proposed. A random binary phase encoded light is incident on a holographic recording material and writes gratings in the material with a reference plane wave. The recording material can be regarded as an optical lock while the phase code acts as the key. As the pixel number is 5×20, the decryption probability is less than 10^-10 when arbitrary phase code is used for decryption. The decryption probability decreases dramatically as the pixel number increases. Furthermore, the security system performs good tolerance to data loss of the phase code.

原文	???core.languages.en_GB???
頁（從 - 到）	188-193
頁數	6
期刊	Proceedings of SPIE - The International Society for Optical Engineering
卷	3804
出版狀態	已出版 - 1999
事件	Proceedings of the 1999 ALgorithms, Devices, and Systems for Optical Information Processing III - Denver, CO, USA 持續時間: 20 7月 1999 → 21 7月 1999

引用此

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AB - An optical security system using a random selected binary phase code is proposed. A random binary phase encoded light is incident on a holographic recording material and writes gratings in the material with a reference plane wave. The recording material can be regarded as an optical lock while the phase code acts as the key. As the pixel number is 5×20, the decryption probability is less than 10-10 when arbitrary phase code is used for decryption. The decryption probability decreases dramatically as the pixel number increases. Furthermore, the security system performs good tolerance to data loss of the phase code.

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JF - Proceedings of SPIE - The International Society for Optical Engineering

T2 - Proceedings of the 1999 ALgorithms, Devices, and Systems for Optical Information Processing III

Y2 - 20 July 1999 through 21 July 1999

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Optical security by use of a random selected binary phase code

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