J.R. Sanchez-Valencia , J. Toudert, A. Borrás, A. Barranco , R. Lahoz, X. de la Fuente, F. Frutos , A.R. González-Elipe
Advanced Materials, 23 (2011) 848–853
doi: 10.1002/adma.201003933


A simple route for the fabrication of dichroic optical structures based on Ag nanoparticles deposited onto SiO2 nanocolumns is presented. The strict control of the optical response is achieved after infrared laser treatment of the supported nanoparticles with a commercial nanosecond pulsed laser. Preliminary examples of the utilization of the laser-treated AgNPs/SiO2 nanocolumn system for optical recoding and encryption are shown.

Selective Dichroic Patterning by Nanosecond Laser Treatment of Ag Nanostripes
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