Title :
Encrypting messages in 3D photonic crystals with patterned surface chemistry
Author :
Ian B. Burgess;Lidiya Mishchenko;Benjamin D. Hatton;Mathias Kolle;Marko Lončar;Joanna Aizenberg
Author_Institution :
School of Engineering and Applied Sciences, Harvard University, Cambridge MA, USA
fDate :
5/1/2011 12:00:00 AM
Abstract :
We demonstrate a 3D porous photonic crystal whose inner surfaces are chemically functionalized in arbitrary spatial patterns with micro-scale resolution. We use this platform to demonstrate a method for solvent-specific multi-layer message encryption.
Keywords :
"Solvents","Three dimensional displays","Color","Photonic crystals","Materials","Authentication","Chemicals"
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Print_ISBN :
978-1-4577-1223-4
DOI :
10.1364/CLEO_SI.2011.CMEE2
