7 December 2013 Optoplasmonics: hybridization in 3D
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Femtosecond laser fabrication has been used to make hybrid refractive and di ractive micro-optical elements in photo-polymer SZ2080. For applications in micro- uidics, axicon lenses were fabricated (both single and arrays), for generation of light intensity patterns extending through the entire depth of a typically tens-of-micrometers deep channel. Further hybridisation of an axicon with a plasmonic slot is fabricated and demonstrated nu- merically. Spiralling chiral grooves were inscribed into a 100-nm-thick gold coating sputtered over polymerized micro-axicon lenses, using a focused ion beam. This demonstrates possibility of hybridisation between optical and plasmonic 3D micro-optical elements. Numerical modelling of optical performance by 3D-FDTD method is presented.
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L. Rosa, L. Rosa, G. Gervinskas, G. Gervinskas, A. Žukauskas, A. Žukauskas, M. Malinauskas, M. Malinauskas, E. Brasselet, E. Brasselet, S. Juodkazis, S. Juodkazis, "Optoplasmonics: hybridization in 3D", Proc. SPIE 8923, Micro/Nano Materials, Devices, and Systems, 89231Q (7 December 2013); doi: 10.1117/12.2033716; https://doi.org/10.1117/12.2033716

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