EPJ Web Conf.
Volume 238, 2020EOS Annual Meeting (EOSAM 2020)
|Number of page(s)||2|
|Section||Topical Meeting (TOM) 5- Resonant Nanophotonics: Fundamentals and Applications|
|Published online||20 August 2020|
Versatile architecture of ultra-narrow band absorbing photonic nanostructure
1 DOTA, ONERA, Université Paris-Saclay, F-91123 Palaiseau, France
2 École polytechnique, Département de Physique, 91128 Palaiseau, France
Published online: 20 August 2020
Ultra narrow-band absorbing surfaces answer a growing demand of precise control of absorption spectra. Starting from a design of guided mode resonator (GMR), we present here a versatile architecture presenting resonances of very high quality factors (up to 10 000) and spectrally adjustable. This design uses multiple slices of dielectrics to focus resonating field in the middle of a metallic waveguide, diminishing its extension in the metal and thus the loss rate of the propagating mode.
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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