Dot-matrix hologram with hidden image

Sheng Lih Yeh; Shyh Tsong Lin

doi:10.1117/1.1428297

Dot-matrix hologram with hidden image

Sheng Lih Yeh
, Shyh Tsong Lin

光電工程系

研究成果: 期刊貢獻 › 文章 › 同行評審

14 引文斯高帕斯（Scopus）

摘要

To enhance the security of a dot-matrix hologram (DMH), a method to hide an image inside the DMH is proposed. The hidden image, which does not depress the visibility and the dynamic-effect feature of the DMH, is invisible but can be reconstructed by illuminating the DMH with a specified laser beam. The reconstructed hidden image is invariable to the lateral shift between the laser beam and DMH. Two experiments are carried out to illustrate the applicability of the proposed method.

原文	English
頁（從 - 到）	314-318
頁數	5
期刊	Optical Engineering
卷	41
發行號	2
DOIs	https://doi.org/10.1117/1.1428297
出版狀態	Published - 2月 2002

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10.1117/1.1428297

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Dot-matrix hologram with hidden image

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