Výsledky vyhledávání - "Wojciech Śmigaj"

Akademický článek

Resonant subwavelength control of the phase of spin waves reflected from a Gires–Tournois interferometer

Autor: Krzysztof Sobucki, Wojciech Śmigaj, Justyna Rychły, Maciej Krawczyk, Paweł Gruszecki

Publikováno v: Scientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)

Abstract Subwavelength resonant elements are essential building blocks of metamaterials and metasurfaces, which have revolutionized photonics. Despite similarities between different wave phenomena, other types of interactions can make subwavelength c

Externí odkaz: https://doaj.org/article/360f21bd6ec44896a24707a9292f18ad

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Product Algebras for Galerkin Discretisations of Boundary Integral Operators and their Applications

Autor: Matthew W. Scroggs, Wojciech Śmigaj, Timo Betcke

Publikováno v: ACM Transactions on Mathematical Software. 46:1-22

Operator products occur naturally in a range of regularised boundary integral equation formulations. However, while a Galerkin discretisation only depends on the domain space and the test (or dual) space of the operator, products require a notion of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db63b9d7cac82b41e32176dfe6cbbf04
https://doi.org/10.1145/3368618

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Resonant subwavelength control of the phase of spin waves reflected from a Gires-Tournois interferometer

Autor: Maciej Krawczyk, Justyna Rychły, Krzysztof Sobucki, Paweł Gruszecki, Wojciech Śmigaj

Publikováno v: Scientific Reports
Scientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)

Subwavelength resonant elements are essential building blocks of metamaterials and metasurfaces, which have revolutionized photonics. Despite similarities between different wave phenomena, other types of interactions can make subwavelength coupling s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5cfcd39cf66581f788333480838b319e
https://pubmed.ncbi.nlm.nih.gov/33627713

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Image-based software solutions for advanced materials processing and characterization

Autor: Ross Cotton, Yash Agarwal, Patrick Tompsett, Wojciech Śmigaj, Philippe Young

Publikováno v: Materials Today: Proceedings. 4:1860-1867

New image-based solutions are being developed for advanced materials processing and characterization, which involve working with and creating high-quality models from scan data (such as MRI, CT, micro-CT…). Techniques involving the reconstruction a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1777c9dba3b68b0966b9e8c9c44f533a
https://doi.org/10.1016/j.matpr.2017.02.030

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The boundary element method for light scattering by ice crystals and its implementation in BEM++

Autor: Samuel P. Groth, Wojciech Śmigaj, Anthony J. Baran, Timo Betcke, Stephan Havemann

Publikováno v: Journal of Quantitative Spectroscopy and Radiative Transfer. 167:40-52

A number of methods exist for solving the problem of electromagnetic scattering by atmospheric ice crystals. Amongst these methods, only a few are used to generate “benchmark” results in the atmospheric science community. Most notably, the T-matr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::032a998873c7f09867e9d30c55cd97c7
https://doi.org/10.1016/j.jqsrt.2015.08.001

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Overresolving in the Laplace domain for convolution quadrature methods

Autor: N. Salles, Wojciech Śmigaj, Timo Betcke

Convolution quadrature (CQ) methods have enjoyed tremendous interest in recent years as an efficient tool for solving time-domain wave problems in unbounded domains via boundary integral equation techniques. In this paper we consider CQ type formulat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b05c9bb0400322631739773d0fc2b87
http://arxiv.org/abs/1603.01761

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Compact optical circulator based on a uniformly magnetized ring cavity

Autor: Wojciech Śmigaj, Javier Romero-Vivas, Beatrice Dagens, Mathias Vanwolleghem, Liubov Magdenko, Sébastien Guenneau, Boris Gralak

Publikováno v: Photonics and Nanostructures-Fundamentals and Applications
Photonics and Nanostructures-Fundamentals and Applications, 2012, 10 (1), pp.83
Photonics and Nanostructures-Fundamentals and Applications, Elsevier, 2012, 10 (1), pp.83

International audience; We propose a new class of compact integrated optical circulators providing a large isolation level while maintaining a straightforward technological feasibility. Their layout is based on a nonreciprocal radial Bragg cavity com

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6bfb1dd0b1128cf01f546c4f581c306d
https://hal.science/hal-00760419

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Reflection and transmission of light at periodic layered metamaterial films

Autor: Christoph Menzel, Falk Lederer, Thomas Paul, Philippe Lalanne, Wojciech Śmigaj, Carsten Rockstuhl

Publikováno v: Physical Review B: Condensed Matter and Materials Physics (1998-2015)
Physical Review B: Condensed Matter and Materials Physics (1998-2015), American Physical Society, 2011, 84, pp.115142. ⟨10.1103/PhysRevB.84.115142⟩

International audience; The appropriate description of light scattering (transmission/reflection) at a bulky artificial medium, consisting of a sequence of functional metamaterial and natural material films, represents a major challenge in current th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e4804ebe35e37072c3aa883f9ff741b
https://doi.org/10.1103/physrevb.84.115142

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Closed-form expression for the scattering coefficients at an interface between two periodic media

Autor: Jianji Yang, Thomas Paul, Philippe Lalanne, Wojciech Śmigaj, Carsten Rockstuhl, Falk Lederer

Publikováno v: Applied Physics Letters
Applied Physics Letters, American Institute of Physics, 2011, 98 (11), pp.111107. ⟨10.1063/1.3565970⟩

International audience; We use the Bloch-mode orthogonality to derive simple closed-form expressions for the scattering coefficients at an interface between two periodic media, a computationally-challenging electromagnetic scattering problem that can

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6fa3b223e85c57bd4da10d194f1bfe83
https://hal-iogs.archives-ouvertes.fr/hal-00680578/file/00680578.pdf

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Unidirectional band gaps in uniformly magnetized two-dimensional magnetophotonic crystals

Autor: Beatrice Dagens, Jean-Michel Lourtioz, Boris Gralak, Xavier Checoury, Pierre Beauvillain, Liubov Magdenko, Kamil Postava, Mathias Vanwolleghem, Wojciech Śmigaj

Publikováno v: Physical Review B: Condensed Matter and Materials Physics (1998-2015)
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2009, 80, pp.121102
Physical Review B: Condensed Matter and Materials Physics (1998-2015), American Physical Society, 2009, 80, pp.121102

By exploiting the concepts of magnetic group theory we show how unidirectional behavior can be obtained in two-dimensional magneto-photonic crystals (MOPhC) with uniform magnetization. This group theory approach generalizes all previous investigation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2dbbb1fb9c674a2c41229f62b88e7f11
https://hal.science/hal-00432899

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