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Proceedings Paper

Direct laser coding of plasmonic nanostructures for data storage applications
Author(s): Fei Mao; Andrew Davis; Quang Cong Tong; Mai Hoang Luong; Chi Than Nguyen ; Isabelle Ledoux-Rak; Ngoc Diep Lai
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Paper Abstract

We demonstrate the realization of desired gold plasmonic nanostructures by direct laser writing (DLW) method employing a continuous-wave 532 nm laser. By moving the laser focusing spot of the DLW system, the gold nanoparticles (NPs) are formed following the laser moving path. The plasmonic patterns composing of gold NPs enable a lot of applications, such as direct text writing and inverse text writing at micro scale, bar code and QR code to store the messages, binary recordings as compared to standard CDs and DVDs. Furthermore, by controlling the laser intensity and/or the exposure time, the NPs size was changed resulting in different plasmonic colors, and offering a new method to nanoprint with color.

Paper Details

Date Published: 4 May 2018
PDF: 7 pages
Proc. SPIE 10672, Nanophotonics VII, 106722Z (4 May 2018); doi: 10.1117/12.2306762
Show Author Affiliations
Fei Mao, Lab. de Photonique Quantique et Molėculaire, Ecole Normale Supérieure de Cachan (France)
Univ. Paris-Saclay, CNRS (France)
Andrew Davis, Lab. de Photonique Quantique et Molėculaire, Ecole Normale Supérieure de Cachan (France)
Univ. Paris-Saclay, CNRS (France)
Quang Cong Tong, Institute of Materials Science (Viet Nam)
Mai Hoang Luong, Univ. of Georgia (United States)
Chi Than Nguyen , Lab. de Photonique Quantique et Molėculaire, Ecole Normale Supérieure de Cachan (France)
Univ. Paris-Saclay, CNRS (France)
Isabelle Ledoux-Rak, Lab. de Photonique Quantique et Molėculaire, Ecole Normale Supérieure de Cachan (France)
Univ. Paris-Saclay, CNRS (France)
Ngoc Diep Lai, Lab. de Photonique Quantique et Molėculaire, Ecole Normale Supérieure de Cachan (France)
Univ. Paris-Saclay, CNRS (France)


Published in SPIE Proceedings Vol. 10672:
Nanophotonics VII
David L. Andrews; Angus J. Bain; Jean-Michel Nunzi; Andreas Ostendorf, Editor(s)

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