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- Julie de Zaeytijd, Ann Franchois, Christelle Eyraud, J.-M. Geffrin
- IEEE Transactions on Antennas and Propagation
- 2007

A reconstruction algorithm is detailed for three-dimensional full-vectorial microwave imaging based on Newton-type optimization. The goal is to reconstruct the three-dimensional complex permittivityâ€¦ (More)

- Christelle Eyraud, J.-M. Geffrin, AmÃ©lie Litman
- 2006 IEEE Antennas and Propagation Societyâ€¦
- 2006

Thanks to the success of the 2D scattering fields databases that we have measured in the anechoic chamber of the Institut Fresnel and proposed to the inverse problem community, we are now extendingâ€¦ (More)

- J. M. Geffrin, Braulio GarcÃa-CÃ¡mara, +9 authors F. Moreno
- Nature communications
- 2012

Magnetodielectric small spheres present unusual electromagnetic scattering features, theoretically predicted a few decades ago. However, achieving such behaviour has remained elusive, due to theâ€¦ (More)

- Wlodek Kofman, Alain Herique, +23 authors Jakob van Zyl
- Science
- 2015

The Philae lander provides a unique opportunity to investigate the internal structure of a comet nucleus, providing information about its formation and evolution in the early solar system. We presentâ€¦ (More)

- Olivier Merchiers, Christelle Eyraud, +4 authors Bernard Lacroix
- Optics express
- 2010

We present an extensive experimental study of microwave scattering by a fully characterized complex aggregate. We measured the full amplitude scattering matrix (amplitude and phase of the fourâ€¦ (More)

- Michael I. Tribelsky, Jean-Michel Geffrin, AmÃ©lie Litman, Christelle Eyraud, Fernando Moreno
- Scientific reports
- 2015

The future of ultra-fast optical communication systems is inevitably connected with progress in optical circuits and nanoantennas. One of the key points of this progress is the creation of elementaryâ€¦ (More)

- Christelle Eyraud, Jean-Michel Geffrin, AmÃ©lie Litman
- IEEE Transactions on Antennas and Propagation
- 2011

We present reconstructions of an aggregate of small spheres from experimental scattered fields using a working frequency of 18 GHz. This target presents at the same time a complex 3D shape and aâ€¦ (More)

- Christelle Eyraud, J.-M. Geffrin, AmÃ©lie Litman, HervÃ© Tortel
- IEEE Antennas and Wireless Propagation Letters
- 2015

An accurate knowledge of the complex permittivity value of materials is compulsory when performing experimental electromagnetic applications. Unfortunately, these values are not so obvious toâ€¦ (More)

- Christelle Eyraud, Rodolphe Vaillon, AmÃ©lie Litman, Jean-Michel Geffrin, Olivier Merchiers
- Journal of the Optical Society of America. Aâ€¦
- 2013

In tomography algorithms, the complex amplitude scattering matrix corresponds to the input parameter. When considering 3D targets, the scattering matrix now contains vectorial information. Thus, thisâ€¦ (More)

- Soufiane Nounouh, Christelle Eyraud, HervÃ© Tortel, AmÃ©lie Litman
- 2013 7th International Workshop on Advancedâ€¦
- 2013

We propose an approach for probing the near-subsurface based on the use of a single frequency combined with a multistatic configuration. Our goal is to retrieve the near-subsurface permittivityâ€¦ (More)