Photonic Paint Developed with Metallic Three-Dimensional Photonic Crystals

Materials

Po Sun¹ 

[1] Electrical and Computer Engineering Department, University of Alabama in Huntsville, Huntsville, AL 35899, USA; E-Mail

关键词: metallic photonic crystal;    photonic paint;    anti-counterfeit;    tag and track;    3-D photonic crystal;   

DOI  :  10.3390/ma5071196

来源: mdpi

【 摘 要 】

This work details the design and simulation of an inconspicuous photonic paint that can be applied onto an object for anticounterfeit and tag, track, and locate (TTL) applications. The paint consists of three-dimensional metallic tilted woodpile photonic crystals embedded into a visible and infrared transparent polymer film, which can be applied to almost any surface. The tilted woodpile photonic crystals are designed with a specific pass band detectable at nearly all incident angles of light. When painted onto a surface, these crystals provide a unique reflective infra-red optical signature that can be easily observed and recorded to verify the location or contents of a package.

【 授权许可】

CC BY   
© 2012 by the authors; licensee MDPI, Basel, Switzerland.