Integrated optical tamper sensor
Description:
This invention consists of an monolithic optical tamper sensor, comprising an optical emitter and detector, connected by an optical waveguide and placed into the critical entry plane of an enclosed sensitive region, the tamper sensor having a myriad of scraps of a material optically absorbent at the wavelength of interest, such that when the absorbent material is in place on the waveguide, an unique optical signature can be recorded, but when entry is attempted into the enclosed sensitive regio…
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Date:
December 31, 1991
Creator:
Carson, R. F. & Casalnuovo, S. A.
Partner:
UNT Libraries Government Documents Department