Výsledky vyhledávání - "Andre, J. M."

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Maxwell-Bloch modeling of an x-ray pulse amplification in a 1D photonic crystal

Autor: Peyrusse, O., Jonnard, P., André, J. -M.

Publikováno v: Phys. Rev. A 103, 043508 (2021)

We present an implementation of the Maxwell-Bloch (MB) formalism for the study of x-ray emission dynamics from periodic multilayer materials whether they are artificial or natural. The treatment is based on a direct Finite-Difference-Time-Domain (FDT

Externí odkaz: http://arxiv.org/abs/2012.01069

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Kossel diffraction and photonic modes in one-dimensional photonic crystal

Autor: André, J. -M, Jonnard, Philippe, Guen, K. Le, Bridou, F.

Publikováno v: Physica Scripta, Institute of Physics, 2015, 90, pp.085503

Kossel diffraction under standing-wave excitation in a one-dimensional photonic crystal is investigated. It is shown that by combining the reciprocity theorem, the Fermi golden rule and the concept of density of photonic modes, it is possible to pred

Externí odkaz: http://arxiv.org/abs/1509.00281

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On the Kramers-Kronig transform with logarithmic kernel for the reflection phase in the Drude model

Autor: André, J. -M., Guen, K. Le, Jonnard, Philippe, Mahne, N., Giglia, Angela, Nannarone, S.

Publikováno v: Journal of Modern Optics 57, 16 (2010) 1504

We use the Kramers-Kronig transform (KKT) with logarithmic kernel to obtain the reflection phase and, subsequently, the complex refractive index of a bulk mirror from reflectance. However, there remains some confusion regarding the formulation for th

Externí odkaz: http://arxiv.org/abs/1111.5139

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Introduction of Zr in nanometric periodic Mg/Co multilayers

Autor: Guen, K. Le, Hu, M. -H., André, J. -M., Jonnard, Philippe, Zhou, S. -K., Li, H. -C., Zhu, J. -T., Wang, Z. -S., Mahne, N., Giglia, Angela, Nannarone, S.

Publikováno v: Applied Physics A Solids and Surface 102 (2011) 69

We study the introduction of a third material, namely Zr, within a nanometric periodic Mg/Co structure designed to work as optical component in the extreme UV (EUV) spectral range. Mg/Co, Mg/Zr/Co, Mg/Co/Zr and Mg/Zr/Co/Zr multilayers are designed, t

Externí odkaz: http://arxiv.org/abs/1111.4546

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X-ray Raman scattering with Bragg diffraction in a La-based superlattice

Autor: André, J. -M., Jonnard, P., Bonnelle, C., Filatova, E. O., Michaelsen, C., Wiesmann, J.

The non-dispersed soft x-ray emission from a La/B4C periodic multilayer irradiated by monochromatic x-rays has been measured as a function of the incident photon energy in the 125-200 eV range for different scattering angles. We have observed a scatt

Externí odkaz: http://arxiv.org/abs/cond-mat/0505381

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