Institut Fresnel https://www.fresnel.fr/wp Recherche et innovation en photonique Fri, 31 May 2024 08:40:04 +0000 en-GB hourly 1 https://wordpress.org/?v=7.0 https://www.fresnel.fr/wp/wp-content/uploads/2024/12/cropped-icon-web-fresnel-1-32x32.png Institut Fresnel https://www.fresnel.fr/wp 32 32 Linear frequency conversion with time-varying meta-surfaces https://www.fresnel.fr/wp/en/hello-word-uk/ Thu, 30 May 2024 09:26:07 +0000 https://www.fresnel.fr/wp/?p=38 Linear frequency conversion with time-varying meta-surfaces Frequency conversion is usually achieved using non-linear materials. However, the field of dynamic metamaterials is likely, at least from a theoretical point of view, to offer an alternative technique to these conversion processes. This has been demonstrated by researchers at Fresnel Institute, in collaboration with other…

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