| Issue |
EPJ Web Conf.
Volume 238, 2020
EOS Annual Meeting (EOSAM 2020)
|
|
|---|---|---|
| Article Number | 05005 | |
| Number of page(s) | 2 | |
| Section | Topical Meeting (TOM) 5- Resonant Nanophotonics: Fundamentals and Applications | |
| DOI | https://doi.org/10.1051/epjconf/202023805005 | |
| Published online | 20 August 2020 | |
https://doi.org/10.1051/epjconf/202023805005
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
* e-mail: clement.verlhac@onera.fr
** e-mail: patrick.bouchon@onera.fr
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
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