Journal
NANOTECHNOLOGY
Volume 31, Issue 2, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1361-6528/ab4688
Keywords
surface plasmon polaritons; optical disc; thermoplasmonics; FDTD
Funding
- Ministry of Science and Higher Education [7150/E-338/M/2017]
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The article reports on an optimization of gold submicron structures based on modified recordable blank digital versatile discs for surface plasmon polaritions excitation, mainly in near-infrared region. We have examined internal layers of commercially available DVD+R, DVD-R, DVD+RW and DVD-RW optical discs and we have elaborated a simple, inexpensive approach providing sharp resonances with efficiency reaching 95% for collimated excitation laser beams. We have experimentally and numerically confirmed the SPPs intensity being up to 220 times the intensity of the excitation laser beam. We have also directly measured thermal energy loss accompanying SPPs excitation.
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