安全系统与光密钥访问

Symposium on Optics in Industry Pub Date : 2007-03-23 DOI:10.1117/12.742333

C. Treviño-Palacios, A. Olivares-Pérez, O. J. Zapata-Nava

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引用次数: 6

摘要

本文提出了一种采用光密钥作为控制访问装置的安全系统。光学密钥是一种计算机生成的全息图(CGH)，使用高功率脉冲激光在透明材料上进行光学损伤记录。当我们用激光再现CGH时，我们在全息平面上得到编码后的图像。在这个平面上放置一个摄像机，就可以捕捉到重构后的图像。使用包含预先录制的安全映像的比较程序，授权或拒绝访问。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Security system with optical key access

In this work we present a security system that uses an optical key as control access device. The optical key is a computer generated hologram (CGH) recorded using optical damage onto a transparent material using a high power pulsed laser. When we reproduce the CGH with a laser we obtain the codified image on the holographic plane. Placing a camera in this plane the reconstructed image is captured. Using a comparing program that contains the prerecorded security image the access is authorized or denied.

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Symposium on Optics in Industry

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