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Diffraction-Limited Focusing of Plasmonic Wave by a Parabolic Mirror
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نویسنده
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P. N. Melentiev ,A. A. Kuzin ,D. V. Negrov ,V. I. Balykin
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منبع
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plasmonics - 2018 - دوره : 13 - شماره : 6 - صفحه:2361 -2367
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چکیده
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we demonstrate effective, up to 30%, reflection of the surface plasmon-polariton wave (spp) from a nanogroove made on ag film surface. the use of spp reflection from a nanogroove having a shape of parabola helps to realize a new element in nanoplasmonics—parabolic spp mirror. it was found that the mirror allows focusing of the spp into a diffraction-limited spot with a lateral size of about λspp (λspp = 800 nm—spp wavelength). the possibility of spatial scanning the focusing spot of spp on the surface of ag film is shown.
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کلیدواژه
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Surface plasmon-polaritons ,Focusing of SPP ,Nanogroove ,Parabolic mirror ,Ag film
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آدرس
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National Research University, Russia. Institute for Spectroscopy Russian Academy of Sciences, Russia, Institute for Spectroscopy Russian Academy of Sciences, Russia. Moscow Institute of Physics and Technology, Russia, Moscow Institute of Physics and Technology, Russia, Institute for Spectroscopy Russian Academy of Sciences, Russia. National Research University, Russia
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Authors
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