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Optical properties of gold nanorods macro-structure: a numerical study

Abstract : In this contribution, a numerical study of the optical properties of closely-packed gold nanorods was performed. The studied nano-objects are experimentally grown on a tilted polydimethylsiloxane (PDMS) substrate by using physical vapor deposition (PVD). This method creates nanorods tilted to a certain angle with respect to the substrate normal. This geometry allows exciting both transverse and longitudinal modes of the rods. As demonstrated in a previous experimental work, such PVD-grown nano-objects show promising possibilities both as strain gauges or strain-tunable metamaterials if fabricated on a stretchable dielectric substrate. This numerical study is based on experimental data from previous work and pushes further the subject by approaching an optimized nano-structure allowing better strain-sensitivity (particularly by changing the auto-organization of the said nanorods).
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Contributor : Jean-Baptiste VU VAN Connect in order to contact the contributor
Submitted on : Tuesday, November 19, 2019 - 11:58:27 AM
Last modification on : Friday, August 5, 2022 - 11:24:51 AM

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Arthur Gontier, J. Marae-Djouda, Roberto Caputo, Y. Madi, M. Molinari, et al.. Optical properties of gold nanorods macro-structure: a numerical study. Photonics Letters of Poland, 2017, 9 (1), pp.23. ⟨10.4302/plp.v9i1.714⟩. ⟨hal-02370056⟩



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