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Start Over Author "Yohannes Abate" Journal 2019 ieee research and applications of photonics in defense conference (rapid)
1 results on '"Yohannes Abate"'

1. Probing the Influence of Dielectric Environment upon Volume-Confined Hyperbolic Polaritons

Author

Neda Alsadat Aghamiri, Samuel T. White, Alireza Fali, Yohannes Abate, Richard F. Haglund, Joshua D. Caldwell, and Thomas G. Folland

Subjects
Wavelength, Materials science, Volume (thermodynamics), Condensed matter physics, Phonon, Polariton, Physics::Optics, Substrate (electronics), Dielectric, Spectroscopy, Refractive index
Abstract

We employ nano-scale imaging and spectroscopy techniques to elucidate polariton characteristics as a function of the complex refractive index of the substrate. Although higher-order polariton modes exhibit wavelengths weakly sensitive to the environment, the principal mode strongly depends on the substrate dielectric constant.

Published
2019
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