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single-mode to multi-mode crossover in thin-load polymethyl methacrylate plasmonic waveguides
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نویسنده
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großmann malte ,thomaschewski martin ,klick alwin ,goszczak arkadiusz jarosław ,sobolewska elżbieta karolina ,leißner till ,adam jost ,fiutowski jacek ,rubahn horst-günter ,bauer michael
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منبع
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plasmonics - 2018 - دوره : 13 - شماره : 4 - صفحه:1441 -1448
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چکیده
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Mode character and mode dispersion of sub-60-nm-thick polymethyl methacrylate dielectric-loaded surface plasmon-polariton waveguides (dlsppws) are investigated using photoemission electron microscopy and finite element method simulations. experiment and simulation show excellent agreement and allow identifying a crossover from single-mode to multi-mode waveguiding as a function of excitation wavelength λ and dlsspw cross section. experiment and simulations yield, furthermore, indications for the formation of a surface plasmon-polariton cavity mode in the close vicinity of the waveguides.
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کلیدواژه
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dielectric-loaded surface plasmon-polariton waveguides ,dlsppw ,pmma ,photoemission electron microscopy ,mode dispersion
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آدرس
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university of kiel, institute of experimental and applied physics, germany, university of southern denmark, campusvej 55, mads clausen institute, centre for nano optics, denmark, university of kiel, institute of experimental and applied physics, germany, university of southern denmark, mads clausen institute, denmark, university of southern denmark, mads clausen institute, denmark, university of southern denmark, mads clausen institute, denmark, university of southern denmark, mads clausen institute, denmark, university of southern denmark, mads clausen institute, denmark, university of southern denmark, mads clausen institute, denmark, university of kiel, institute of experimental and applied physics, germany
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Authors
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