Scattering losses in multidielectric structures designed for giant optical field enhancement

Aude L. Lereu 1 Myriam Zerrad 1 Césaire N'Diaye 1 Fabien Lemarchand 2 Claude Amra 1
1 CONCEPT - CONCEPT
FRESNEL - Institut FRESNEL
2 RCMO - RCMO
FRESNEL - Institut FRESNEL
Abstract : Multidielectric coatings are analytically designed to reach total absorption and maximum field enhancement at resonances. A resonant multi-dielectric stack was fabricated to be resonant at 633 nm for an incidence of 45° under TE-polarization. Field enhancement was expected to be around 1000. We discuss the mismatch with the enhancement measured using near field microscopy and using the scattering effect. In particular, scattering was investigated to serve as a far field characterization of such giant optical fields.
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https://hal.archives-ouvertes.fr/hal-01276449
Contributor : Aude Lereu <>
Submitted on : Friday, February 19, 2016 - 1:52:51 PM
Last modification on : Monday, March 4, 2019 - 2:04:24 PM

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Aude L. Lereu, Myriam Zerrad, Césaire N'Diaye, Fabien Lemarchand, Claude Amra. Scattering losses in multidielectric structures designed for giant optical field enhancement. Applied optics, Optical Society of America, 2014, 53 (4), pp.A412. ⟨10.1364/AO.53.00A412⟩. ⟨hal-01276449⟩

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